{"title":"Aux, relay and timers","description":"","products":[{"product_id":"siemens-3rp1511-1aq30-time-relay","title":"Siemens SIRIUS 3RP1511-1AQ30 Timing Relay","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003eSiemens SIRIUS 3RP1511-1AQ30\u003c\/b\u003e is an electronic timing relay designed for precision control in industrial and elevator automation. It is an \u003cb data-path-to-node=\"1\" data-index-in-node=\"142\"\u003eON-delay\u003c\/b\u003e (Delay on Make) timer, meaning the output contact changes state only after a pre-set time interval has elapsed following the application of control voltage.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"0\"\u003eCore Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"3\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,0\"\u003e\u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"0\"\u003eManufacturer:\u003c\/b\u003e Siemens\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\"\u003e\u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"0\"\u003eSeries:\u003c\/b\u003e SIRIUS 3RP15\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,0\"\u003e\u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"0\"\u003eFunction:\u003c\/b\u003e ON-Delay (1 CO \/ 1 Changeover Contact)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,3,0\"\u003e\u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"0\"\u003eSupply Voltage:\u003c\/b\u003e 24V AC\/DC and 100V to 127V AC (50\/60 Hz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,4,0\"\u003e\u003cb data-path-to-node=\"3,4,0\" data-index-in-node=\"0\"\u003eTime Ranges:\u003c\/b\u003e 15 selectable ranges (0.05 seconds up to 100 hours)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,5,0\"\u003e\u003cb data-path-to-node=\"3,5,0\" data-index-in-node=\"0\"\u003eMounting:\u003c\/b\u003e 35mm DIN rail\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,6,0\"\u003e\u003cb data-path-to-node=\"3,6,0\" data-index-in-node=\"0\"\u003eConnection:\u003c\/b\u003e Screw terminals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,7,0\"\u003e\u003cb data-path-to-node=\"3,7,0\" data-index-in-node=\"0\"\u003eWidth:\u003c\/b\u003e 22.5 mm (Compact industrial housing)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"4\"\u003e\n\u003ch3 data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eElevator Logic\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"6\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,0,0\"\u003e\u003cb data-path-to-node=\"6,0,0\" data-index-in-node=\"0\"\u003eStar-Delta Starting:\u003c\/b\u003e In older traction or hydraulic systems, this relay provides the necessary delay between the \"Star\" contactor dropping out and the \"Delta\" contactor pulling in to prevent short circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,1,0\"\u003e\u003cb data-path-to-node=\"6,1,0\" data-index-in-node=\"0\"\u003eDoor Dwell Timing:\u003c\/b\u003e Controls the duration the car doors remain open at a landing before the \"Door Close\" command is initiated by the controller.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,2,0\"\u003e\u003cb data-path-to-node=\"6,2,0\" data-index-in-node=\"0\"\u003eMotor Run Timer:\u003c\/b\u003e Acts as a safety \"up-call\" or \"run-timer\" in hydraulic elevators to shut down the pump motor if the car fails to reach a floor within a specified time (preventing oil overheating).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,3,0\"\u003e\u003cb data-path-to-node=\"6,3,0\" data-index-in-node=\"0\"\u003eFan\/Light Power Save:\u003c\/b\u003e Delays the de-energization of the car's ventilation and lighting after the elevator has been idle for a programmed period.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"7\"\u003e\n\u003ch3 data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eAccessories\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb data-path-to-node=\"9,0,0\" data-index-in-node=\"0\"\u003e3RP1901 Labeling Plates:\u003c\/b\u003e Snap-on identification tags used to label the relay's specific function (e.g., \"MTR RUN TIMER\").\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cb data-path-to-node=\"9,1,0\" data-index-in-node=\"0\"\u003eSealable Transparent Cover:\u003c\/b\u003e Prevents unauthorized personnel from adjusting the time-setting potentiometers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003e\u003cb data-path-to-node=\"9,2,0\" data-index-in-node=\"0\"\u003e3RT Series Contactors:\u003c\/b\u003e Frequently used in conjunction with Siemens power contactors to handle high-current motor loads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,0\"\u003e\u003cb data-path-to-node=\"9,3,0\" data-index-in-node=\"0\"\u003eDIN Rail:\u003c\/b\u003e Standard mounting rail used within the elevator controller cabinet.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"10\"\u003e\n\u003ch3 data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eMaintenance \u0026amp; Code\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"12\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003e\u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"0\"\u003eB44 Timing Compliance:\u003c\/b\u003e Under \u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"29\"\u003eCanadian Elevator Code (B44)\u003c\/b\u003e, specific minimum \"Door Open\" times are required for accessibility (ADA). If this relay controls door dwell, ensure the dial is calibrated to meet these mandated minimums (typically 3–5 seconds).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,0\"\u003e\u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"0\"\u003eContact Life:\u003c\/b\u003e The internal SPDT (1 CO) contact is rated for millions of cycles, but driving high-inductive loads (like large contactor coils) without a surge suppressor can cause \"pitting\" or \"welding\" over time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,2,0\"\u003e\u003cb data-path-to-node=\"12,2,0\" data-index-in-node=\"0\"\u003eRange Verification:\u003c\/b\u003e A common troubleshooting error is misconfiguring the \"Range\" rotary switch (e.g., setting it to minutes instead of seconds), which causes the elevator logic to hang indefinitely.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,3,0\"\u003e\u003cb data-path-to-node=\"12,3,0\" data-index-in-node=\"0\"\u003eLED Diagnostics:\u003c\/b\u003e The unit features an \"On\/Signal\" LED. A solid light typically indicates power is applied, while a flashing LED indicates the timing sequence is currently in progress.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R.A.M. Parts","offers":[{"title":"Default Title","offer_id":47644361687192,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/4369\/5000\/files\/rn-image_picker_lib_temp_471d124b-0cd7-4572-a476-bcd74caf6936.jpg?v=1772138992"},{"product_id":"eaton-dilm1000-xhi11-si-xtcexsbn11-contacter-auxiliary","title":"Eaton Moeller DILM1000-XHI11-SI Auxiliary Contact Block","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003eEaton Moeller DILM1000-XHI11-SI\u003c\/b\u003e is a 2-pole, \u003cb data-path-to-node=\"1\" data-index-in-node=\"49\"\u003eside-mounted\u003c\/b\u003e auxiliary contact block. In the Canadian elevator industry, this is the preferred accessory for \u003cb data-path-to-node=\"1\" data-index-in-node=\"158\"\u003eMRL (Machine Room-Less)\u003c\/b\u003e controllers or narrow \"wall-mount\" cabinets. It provides essential logic feedback while keeping the contactor's front profile slim, ensuring the cabinet door can close without interference.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"0\"\u003eCore Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"3\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,0\"\u003e\u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"0\"\u003eMounting:\u003c\/b\u003e \u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"10\"\u003eSide-mounted\u003c\/b\u003e (Snaps onto the left or right side)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\"\u003e\u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"0\"\u003eContact Configuration:\u003c\/b\u003e \u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"23\"\u003e1 NO + 1 NC\u003c\/b\u003e (One Normally Open, One Normally Closed)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,0\"\u003e\u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"0\"\u003eCompatibility:\u003c\/b\u003e Fits \u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"20\"\u003eFrame 2, 3, and 4\u003c\/b\u003e contactors (DILM32 through DILM170)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,3,0\"\u003e\u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"0\"\u003eSafety Rating:\u003c\/b\u003e \u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"15\"\u003eMirror Contacts\u003c\/b\u003e (Certified per IEC\/EN 60947-4-1 Annex L)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,4,0\"\u003e\u003cb data-path-to-node=\"3,4,0\" data-index-in-node=\"0\"\u003eTerminal Type:\u003c\/b\u003e Screw terminals (Pozi-drive)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"4\"\u003e\n\u003ch3 data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eElevator Logic Applications (1 NO + 1 NC)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"6\"\u003eThis specific \"11\" configuration provides the two high-priority signals required for a hoist motor or hydraulic pump contactor:\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eThe 1 Normally Open (NO) Contact:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\"\u003e\u003cb data-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003eSeal-in \/ Operational Signal:\u003c\/b\u003e Used to maintain the coil circuit after the \"Run\" command is initiated, or to signal the \u003cb data-path-to-node=\"8,0,0\" data-index-in-node=\"119\"\u003eVFD\u003c\/b\u003e or \u003cb data-path-to-node=\"8,0,0\" data-index-in-node=\"126\"\u003eBrake Board\u003c\/b\u003e that the contactor is physically \"Made.\"\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eThe 1 Normally Closed (NC) Contact:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003eSafety Feedback (B44 Code):\u003c\/b\u003e Critical for Canadian code compliance. The elevator controller monitors this contact when the car is at rest. If the NC contact is open while the contactor is de-energized, the CPU assumes a \u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"219\"\u003ewelded pole\u003c\/b\u003e and locks out the elevator.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003eElectrical Interlock:\u003c\/b\u003e Prevents the \"Up\" and \"Down\" contactors from being energized simultaneously by wiring them through each other's NC auxiliaries.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"11\"\u003e\n\u003ch3 data-path-to-node=\"12\"\u003e\u003cb data-path-to-node=\"12\" data-index-in-node=\"0\"\u003eInstallation \u0026amp; Mechanical Integration\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"13\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,0,0\"\u003e\u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"\u003eLateral Profile:\u003c\/b\u003e This block adds approximately \u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"47\"\u003e10mm to the width\u003c\/b\u003e of the contactor but \u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"86\"\u003ezero to the depth\u003c\/b\u003e. This is the standard solution for shallow controllers where front-mounted blocks (which add ~38mm) would hit the cabinet door.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,1,0\"\u003e\u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"\u003eSynchronized Action:\u003c\/b\u003e The internal contacts are physically linked to the side-actuator of the contactor's armature, ensuring they switch in perfect timing with the main power poles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,2,0\"\u003e\u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"0\"\u003eUniversal Fit:\u003c\/b\u003e This single part number works on a wide range of Eaton contactors (32A to 170A), making it a versatile item for a service technician's truck.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"14\"\u003e\n\u003ch3 data-path-to-node=\"15\"\u003e\u003cb data-path-to-node=\"15\" data-index-in-node=\"0\"\u003eField Maintenance \u0026amp; Canadian Code Notes\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"16\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,0,0\"\u003e\u003cb data-path-to-node=\"16,0,0\" data-index-in-node=\"0\"\u003e\"Welded Contact\" Verification:\u003c\/b\u003e Because these are \u003cb data-path-to-node=\"16,0,0\" data-index-in-node=\"49\"\u003eMirror Contacts\u003c\/b\u003e, they are reliable for safety circuits. If a main power pole welds, the NC contact is mechanically prevented from closing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,1,0\"\u003e\u003cb data-path-to-node=\"16,1,0\" data-index-in-node=\"0\"\u003eTroubleshooting Logic Faults:\u003c\/b\u003e If the elevator is intermittently throwing \"Feedback Error\" or \"Input Mismatch\" codes, check the resistance across terminals \u003cb data-path-to-node=\"16,1,0\" data-index-in-node=\"155\"\u003e51-52\u003c\/b\u003e (NC) or \u003cb data-path-to-node=\"16,1,0\" data-index-in-node=\"169\"\u003e13-14\u003c\/b\u003e (NO). In high-cycle environments, carbon buildup can increase resistance; if it exceeds \u003cb data-path-to-node=\"16,1,0\" data-index-in-node=\"263\"\u003e2 ohms\u003c\/b\u003e, replace the block.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,2,0\"\u003e\u003cb data-path-to-node=\"16,2,0\" data-index-in-node=\"0\"\u003eTerminal Integrity:\u003c\/b\u003e Torque the screw terminals to \u003cb data-path-to-node=\"16,2,0\" data-index-in-node=\"50\"\u003e1.2 Nm\u003c\/b\u003e. Vibration from the elevator machine can loosen these connections, causing \"ghost\" faults that are difficult to replicate.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,3,0\"\u003e\u003cb data-path-to-node=\"16,3,0\" data-index-in-node=\"0\"\u003eOrientation:\u003c\/b\u003e These can be mounted on either side. In complex Canadian controllers (like \u003cb data-path-to-node=\"16,3,0\" data-index-in-node=\"88\"\u003eMCE iControl\u003c\/b\u003e), you may see one on the left for the safety string and one on the right for auxiliary brake logic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R.A.M. Parts","offers":[{"title":"Default Title","offer_id":48120294441112,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/4369\/5000\/files\/rn-image_picker_lib_temp_12549483-6df6-4ceb-9756-cf152ec034e7.jpg?v=1771954555"},{"product_id":"eaton-dilm150-xhi22-contacter-auxiliary","title":"Gemini said Eaton Moeller DILM150-XHI22 Auxiliary Block","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003eEaton Moeller DILM150-XHI22\u003c\/b\u003e is a front-mounted auxiliary contact block from the \u003cb data-path-to-node=\"1\" data-index-in-node=\"84\"\u003exStart\u003c\/b\u003e series. In Canadian elevator maintenance, this specific block is the standard logic interface for high-amperage \u003cb data-path-to-node=\"1\" data-index-in-node=\"203\"\u003eMain Line\u003c\/b\u003e and \u003cb data-path-to-node=\"1\" data-index-in-node=\"217\"\u003eHydraulic Pump\u003c\/b\u003e contactors (specifically those between \u003cb data-path-to-node=\"1\" data-index-in-node=\"271\"\u003e80A and 170A\u003c\/b\u003e). It translates the mechanical state of the heavy power poles into the low-voltage feedback required by the elevator's CPU.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"0\"\u003eCore Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"3\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,0\"\u003e\u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"0\"\u003eModel:\u003c\/b\u003e DILM150-XHI22\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\"\u003e\u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"0\"\u003eMounting:\u003c\/b\u003e Front-mount (Center-pull snap-on)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,0\"\u003e\u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"0\"\u003eContact Configuration:\u003c\/b\u003e \u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"23\"\u003e2 NO + 2 NC\u003c\/b\u003e (4 Poles total)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,3,0\"\u003e\u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"0\"\u003eCompatibility:\u003c\/b\u003e DILM80 through DILM170 contactors (Large Frame)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,4,0\"\u003e\u003cb data-path-to-node=\"3,4,0\" data-index-in-node=\"0\"\u003eCurrent Rating (\u003cspan class=\"math-inline\" data-math=\"I_{th}\" data-index-in-node=\"16\"\u003e$I_{th}$\u003c\/span\u003e):\u003c\/b\u003e \u003cb data-path-to-node=\"3,4,0\" data-index-in-node=\"25\"\u003e16A\u003c\/b\u003e (Pilot duty \/ Control circuit)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,5,0\"\u003e\u003cb data-path-to-node=\"3,5,0\" data-index-in-node=\"0\"\u003eTerminal Type:\u003c\/b\u003e Screw terminals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"4\"\u003e\n\u003ch3 data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eElevator Logic (2 NO + 2 NC)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"6\"\u003eThis 4-pole configuration is designed to handle the multi-layered logic required by modern Canadian controllers:\u003c\/p\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003e2 NO (Normally Open):\u003c\/b\u003e Typically used for \u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"41\"\u003eSeal-in\u003c\/b\u003e (holding) circuits and providing a \"Contactor Ready\" signal to the \u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"116\"\u003eVFD\u003c\/b\u003e or \u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"123\"\u003eBrake Controller\u003c\/b\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003e2 NC (Normally Closed):\u003c\/b\u003e One is dedicated to \u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"44\"\u003eContactor Monitoring (B44 Code)\u003c\/b\u003e feedback. The second is frequently used for \u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"120\"\u003eElectrical Interlocking\u003c\/b\u003e (e.g., preventing the Delta contactor from pulling in while the Star contactor is made).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"8\"\u003e\n\u003ch3 data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eAccessories\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"10\"\u003eBecause this block is part of the modular xStart system, it is frequently used alongside:\u003c\/p\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eCompatible Contactor Frames\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"12\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003e\u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"0\"\u003eDILM80-11(120V60HZ):\u003c\/b\u003e 80A Main Line Contactor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,0\"\u003e\u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"0\"\u003eDILM150-11(120V60HZ):\u003c\/b\u003e 150A Large Hydraulic Pump Contactor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"13\"\u003e\u003cb data-path-to-node=\"13\" data-index-in-node=\"0\"\u003eAlternative Logic Blocks\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"14\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,0,0\"\u003e\u003cb data-path-to-node=\"14,0,0\" data-index-in-node=\"0\"\u003eDILM150-XHIR22:\u003c\/b\u003e Features \u003cb data-path-to-node=\"14,0,0\" data-index-in-node=\"25\"\u003e\"R\" (Interlocked)\u003c\/b\u003e contacts—specifically designed for safety circuits to ensure no overlap between NO and NC states.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,1,0\"\u003e\u003cb data-path-to-node=\"14,1,0\" data-index-in-node=\"0\"\u003eDILM1000-XHI11-SI:\u003c\/b\u003e Side-mounted version (1 NO + 1 NC) used when front-mount depth is restricted.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"15\"\u003e\u003cb data-path-to-node=\"15\" data-index-in-node=\"0\"\u003eSurge Suppression\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"16\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,0,0\"\u003e\u003cb data-path-to-node=\"16,0,0\" data-index-in-node=\"0\"\u003eDILM150-XSPV240:\u003c\/b\u003e Varistor suppressor (110V-240V). Essential for protecting the controller's logic outputs from the significant inductive kickback of the larger DILM80-150 coils.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"17\"\u003e\n\u003ch3 data-path-to-node=\"18\"\u003e\u003cb data-path-to-node=\"18\" data-index-in-node=\"0\"\u003eField Maintenance \u0026amp; Canadian Code Notes\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"19\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,0,0\"\u003e\u003cb data-path-to-node=\"19,0,0\" data-index-in-node=\"0\"\u003eB44 Safety Compliance:\u003c\/b\u003e These auxiliary contacts are certified as \u003cb data-path-to-node=\"19,0,0\" data-index-in-node=\"65\"\u003eMirror Contacts\u003c\/b\u003e. Per Canadian code, they are mechanically linked to the main power poles. If a main contact welds, the NC monitoring contact is held open, preventing the elevator from resetting or attempting a new run.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,1,0\"\u003e\u003cb data-path-to-node=\"19,1,0\" data-index-in-node=\"0\"\u003eInstallation Check:\u003c\/b\u003e When snapping the block onto the contactor, ensure the yellow carrier in the center of the contactor is properly aligned. If misaligned, the block will not cycle, leading to \"Safety String Open\" or \"Feedback Error\" faults.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,2,0\"\u003e\u003cb data-path-to-node=\"19,2,0\" data-index-in-node=\"0\"\u003eVibration Resistance:\u003c\/b\u003e These blocks are designed for high-cycle environments. However, in high-vibration machine rooms, verify that the screw terminals are torqued to \u003cb data-path-to-node=\"19,2,0\" data-index-in-node=\"166\"\u003e1.2 Nm\u003c\/b\u003e. Loose connections here are a common cause of \"flickering\" safety string inputs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,3,0\"\u003e\u003cb data-path-to-node=\"19,3,0\" data-index-in-node=\"0\"\u003eMaintenance:\u003c\/b\u003e Do not use contact cleaner or files on the internal silver points of this block. If the contact resistance exceeds 2 Ohms, replace the block to ensure the reliability of the monitoring circuit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R.A.M. Parts","offers":[{"title":"Default Title","offer_id":48120295850136,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/4369\/5000\/files\/rn-image_picker_lib_temp_6716dd4e-e35b-4360-87b5-ab7628cfcf70.jpg?v=1771953690"},{"product_id":"siemens-3rh1921-1da11b-contacter-auxiliary","title":"Siemens SIRIUS 3RH1921-1DA11 Auxiliary Contact Block","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003e3RH1921-1DA11\u003c\/b\u003e is a side-mounted 2-pole auxiliary contact block designed for use with any Sirius size \u003cb data-path-to-node=\"1\" data-index-in-node=\"105\"\u003eS0 to S12\u003c\/b\u003e contactor.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"0\"\u003eSpecifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"3\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,0\"\u003e\u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"0\"\u003eContacts:\u003c\/b\u003e 1 N.O. and 1 N.C. (1 Normally Open and 1 Normally Closed)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\"\u003e\u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"0\"\u003eMounting:\u003c\/b\u003e Lateral \/ Side-mounted\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,0\"\u003e\u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"0\"\u003eTerminals:\u003c\/b\u003e Screw Terminals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,3,0\"\u003e\u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"0\"\u003eCompatibility:\u003c\/b\u003e Sirius S0, S2, S3, S6, S10, and S12 contactors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"4\"\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"0\"\u003eKey Information\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"5\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,0\"\u003e\u003cb data-path-to-node=\"5,0,0\" data-index-in-node=\"0\"\u003eRemoval:\u003c\/b\u003e The laterally mountable auxiliary switch blocks can be removed easily by pressing on the fluted grips.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,0\"\u003e\u003cb data-path-to-node=\"5,1,0\" data-index-in-node=\"0\"\u003eSymmetry:\u003c\/b\u003e If two 2-pole laterally mounted blocks are used, one must be mounted on the left and one on the right for symmetry.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,2,0\"\u003e\u003cb data-path-to-node=\"5,2,0\" data-index-in-node=\"0\"\u003eOperation:\u003c\/b\u003e Each contact is actuated when power is brought to the contactor coil.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R.A.M. Parts","offers":[{"title":"Default Title","offer_id":48120295981208,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/4369\/5000\/files\/rn-image_picker_lib_temp_a93da866-4c0c-4c0a-a7c0-91226bcf367f.jpg?v=1771953012"},{"product_id":"siemens-3rh1921-1ea11","title":"Siemens SIRIUS 3RH1921-1EA11 Auxiliary Contact Block","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003e3RH1921-1EA11\u003c\/b\u003e is a side-mounted (lateral) auxiliary contact used with Siemens \u003cb data-path-to-node=\"1\" data-index-in-node=\"82\"\u003e3RT1\u003c\/b\u003e contactors and \u003cb data-path-to-node=\"1\" data-index-in-node=\"102\"\u003e3RH1\u003c\/b\u003e control relays. It is a standard component in Canadian elevator controllers and motor starters for adding signaling or interlocking circuits.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"0\"\u003eSpecifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"3\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,0\"\u003e\u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"0\"\u003eContacts:\u003c\/b\u003e 1 NO (Normally Open) + 1 NC (Normally Closed)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\"\u003e\u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"0\"\u003eMounting:\u003c\/b\u003e Lateral \/ Side-mount\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,0\"\u003e\u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"0\"\u003eConnection:\u003c\/b\u003e Screw Terminals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,3,0\"\u003e\u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"0\"\u003eAmperage:\u003c\/b\u003e 6 A at 230 V (AC-15)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,4,0\"\u003e\u003cb data-path-to-node=\"3,4,0\" data-index-in-node=\"0\"\u003eCompatibility:\u003c\/b\u003e Fits Siemens Frame Sizes S0 through S12\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,5,0\"\u003e\u003cb data-path-to-node=\"3,5,0\" data-index-in-node=\"0\"\u003eProtection:\u003c\/b\u003e IP20 (Finger-safe)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"4\"\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"0\"\u003eKey Information\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"5\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,0\"\u003e\u003cb data-path-to-node=\"5,0,0\" data-index-in-node=\"0\"\u003eMirror Contacts:\u003c\/b\u003e The NC contact is a mirror contact, meaning it is mechanically linked to the main contactor to ensure it never closes if the main power contacts are welded shut.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,0\"\u003e\u003cb data-path-to-node=\"5,1,0\" data-index-in-node=\"0\"\u003eEasy Install:\u003c\/b\u003e It snaps onto either the left or right side of the contactor without tools.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,2,0\"\u003e\u003cb data-path-to-node=\"5,2,0\" data-index-in-node=\"0\"\u003eReliability:\u003c\/b\u003e Designed for high-frequency switching and is suitable for sending signals back to a PLC or elevator controller.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R.A.M. Parts","offers":[{"title":"Default Title","offer_id":48120296407192,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/4369\/5000\/files\/rn-image_picker_lib_temp_da24be66-f1e3-448f-8677-b35d0e5d73ef.jpg?v=1771952516"},{"product_id":"siemens-3rh1921-1ca10-contacter-auxiliary","title":"Siemens 3RH1921-1CA10 Auxiliary Contact Block","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003eSiemens 3RH1921-1CA10\u003c\/b\u003e is a 1-pole, \u003cb data-path-to-node=\"1\" data-index-in-node=\"39\"\u003eside-mounted\u003c\/b\u003e auxiliary contact block from the legacy \u003cb data-path-to-node=\"1\" data-index-in-node=\"92\"\u003eSIRIUS 3RT1\/3RH1\u003c\/b\u003e series. In the Canadian elevator industry, this is a \"first-position\" block commonly found in older \u003cb data-path-to-node=\"1\" data-index-in-node=\"209\"\u003eMCE\u003c\/b\u003e, \u003cb data-path-to-node=\"1\" data-index-in-node=\"214\"\u003eThyssenKrupp\u003c\/b\u003e, or \u003cb data-path-to-node=\"1\" data-index-in-node=\"231\"\u003eGAL\u003c\/b\u003e controllers. It is specifically designed to snap onto the side of the older generation \u003cb data-path-to-node=\"1\" data-index-in-node=\"322\"\u003e3RT1\u003c\/b\u003e contactors (Sizes \u003cb data-path-to-node=\"1\" data-index-in-node=\"345\"\u003eS0 through S12\u003c\/b\u003e).\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"0\"\u003eCore Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"3\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,0\"\u003e\u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"0\"\u003eSeries:\u003c\/b\u003e 3RH19 (Legacy SIRIUS)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\"\u003e\u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"0\"\u003eMounting:\u003c\/b\u003e \u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"10\"\u003eSide-mounted\u003c\/b\u003e (Mounts to either the left or right side)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,0\"\u003e\u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"0\"\u003eContact Configuration:\u003c\/b\u003e \u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"23\"\u003e1 NO \/ 0 NC\u003c\/b\u003e (One Normally Open contact)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,3,0\"\u003e\u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"0\"\u003eCompatibility:\u003c\/b\u003e Fits \u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"20\"\u003e3RT1\u003c\/b\u003e contactors and \u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"40\"\u003e3RH1\u003c\/b\u003e control relays\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,4,0\"\u003e\u003cb data-path-to-node=\"3,4,0\" data-index-in-node=\"0\"\u003eTerminal Type:\u003c\/b\u003e Screw terminals (Pozi-drive)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"4\"\u003e\n\u003ch3 data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eElevator Logic Applications (1 NO)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"6\"\u003eBecause this block provides only a single Normally Open contact, it is typically dedicated to a specific signaling or holding task rather than a complete safety monitoring loop:\u003c\/p\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eSeal-in \/ Holding:\u003c\/b\u003e Acting as the \"latch\" to keep the contactor coil energized after the controller pulses the start command.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eBrake Signaling:\u003c\/b\u003e Providing a dry contact signal to the brake controller or VFD to indicate that the motor contactor is physically \"Made.\"\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003eAuxiliary Fan Control:\u003c\/b\u003e Engaging motor or cabinet cooling fans only when the main contactor is active.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003eIndicator Logic:\u003c\/b\u003e Feeding a signal to a \"Motor Running\" lamp or a diagnostic input on the elevator CPU.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"8\"\u003e\n\u003ch3 data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eInstallation \u0026amp; Mechanical Integration\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003eLateral Profile:\u003c\/b\u003e This block adds approximately \u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"47\"\u003e10mm to the width\u003c\/b\u003e of the contactor but \u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"86\"\u003ezero depth\u003c\/b\u003e. This makes it the standard choice for older, shallow cabinets where front-mounted auxiliaries would prevent the cabinet door from closing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003eSnap-On Design:\u003c\/b\u003e It clips directly onto the side of the 3RT1 frame. A mechanical link on the side of the contactor engages the block to ensure the NO contact closes precisely when the main power poles do.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"0\"\u003eFirst-Position Mounting:\u003c\/b\u003e The \u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"29\"\u003e\"2\"\u003c\/b\u003e in the prefix (\u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"48\"\u003e3RH1921\u003c\/b\u003e) confirms this is a first-position block. On larger S3–S12 frames, you can often \"stack\" a second-position block onto this one if more logic is required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"11\"\u003e\n\u003ch3 data-path-to-node=\"12\"\u003e\u003cb data-path-to-node=\"12\" data-index-in-node=\"0\"\u003eField Maintenance \u0026amp; Canadian Code Notes\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"13\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,0,0\"\u003e\u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"\u003eLegacy Compatibility Warning:\u003c\/b\u003e This is a \u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"40\"\u003eLegacy\u003c\/b\u003e component. It is \u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"64\"\u003enot\u003c\/b\u003e compatible with the modern \u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"95\"\u003e3RT2\u003c\/b\u003e (Innovations) series contactors. If you are replacing a failed 3RT1 contactor with a new 3RT2, you must also replace this auxiliary block with the \u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"247\"\u003e3RH2921\u003c\/b\u003e equivalent.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,1,0\"\u003e\u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"\u003eB44 Safety Monitoring:\u003c\/b\u003e Per Canadian code, \"Contactor State Monitoring\" requires an \u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"83\"\u003eNC (Normally Closed)\u003c\/b\u003e contact to verify the contactor has dropped. Since this block is \u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"169\"\u003e1 NO only\u003c\/b\u003e, it cannot perform this safety function alone; it must be used in conjunction with a block that provides an NC contact (like a 3RH1921-1CA01).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,2,0\"\u003e\u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"0\"\u003eTerminal Integrity:\u003c\/b\u003e In older machine rooms, these legacy blocks are prone to \"contact pitting\" or oxidation. If the elevator is failing to seal-in, check the resistance across terminals \u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"186\"\u003e13-14\u003c\/b\u003e. If it exceeds \u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"207\"\u003e1–2 ohms\u003c\/b\u003e when energized, the block should be replaced.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,3,0\"\u003e\u003cb data-path-to-node=\"13,3,0\" data-index-in-node=\"0\"\u003eTorque:\u003c\/b\u003e Ensure logic wires are torqued to \u003cb data-path-to-node=\"13,3,0\" data-index-in-node=\"42\"\u003e0.8–1.2 Nm\u003c\/b\u003e. Loose connections in older controllers are a frequent source of \"phantom\" faults and intermittent directional errors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R.A.M. Parts","offers":[{"title":"Default Title","offer_id":48120297095320,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/4369\/5000\/files\/rn-image_picker_lib_temp_e0e40b0f-6d08-4279-9994-f19225c9ffff.jpg?v=1771368925"},{"product_id":"siemens-3rh2921-1da11-contacter-auxiliary","title":"Siemens 3RH2921-1DA11 Auxiliary Contact Block","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003eSiemens 3RH2921-1DA11\u003c\/b\u003e is a 2-pole, \u003cb data-path-to-node=\"1\" data-index-in-node=\"39\"\u003eside-mounted\u003c\/b\u003e auxiliary contact block from the \u003cb data-path-to-node=\"1\" data-index-in-node=\"85\"\u003eSIRIUS Innovations\u003c\/b\u003e series. In the Canadian elevator industry, this \"1 NO + 1 NC\" side-block is a common alternative to front-mounted auxiliaries. It is specifically used in \u003cb data-path-to-node=\"1\" data-index-in-node=\"258\"\u003eMRL (Machine Room-Less)\u003c\/b\u003e controllers or narrow cabinets where the depth between the contactor and the cabinet door is too shallow for front-mounted accessories.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"0\"\u003eCore Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"3\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,0\"\u003e\u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"0\"\u003eSeries:\u003c\/b\u003e 3RH29 (SIRIUS Innovations)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\"\u003e\u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"0\"\u003eMounting:\u003c\/b\u003e \u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"10\"\u003eSide-mounted\u003c\/b\u003e (Typically snaps onto the left side of the contactor)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,0\"\u003e\u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"0\"\u003eContact Configuration:\u003c\/b\u003e \u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"23\"\u003e1 NO + 1 NC\u003c\/b\u003e (One Normally Open, One Normally Closed)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,3,0\"\u003e\u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"0\"\u003eCompatibility:\u003c\/b\u003e Fits \u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"20\"\u003e3RT2\u003c\/b\u003e contactors and \u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"40\"\u003e3RH2\u003c\/b\u003e relays (Sizes \u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"59\"\u003eS0 to S3\u003c\/b\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,4,0\"\u003e\u003cb data-path-to-node=\"3,4,0\" data-index-in-node=\"0\"\u003eTerminal Type:\u003c\/b\u003e Screw terminals (Pozi-drive)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"4\"\u003e\n\u003ch3 data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eElevator Logic Applications (1 NO + 1 NC)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"6\"\u003eDespite having only two poles, this block covers the two most critical operational and safety signals required for a hoist or pump contactor:\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eThe 1 Normally Open (NO) Contact:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\"\u003e\u003cb data-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003eOperational Feedback:\u003c\/b\u003e Typically used as the \"Seal-in\" contact to maintain power to the contactor coil, or to signal the Brake Control Board that the contactor has successfully pulled in.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eThe 1 Normally Closed (NC) Contact:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003eSafety Monitoring (B44 Code):\u003c\/b\u003e This is the \"Mirror Contact\" used for contactor-state feedback. Per Canadian elevator code, the CPU monitors this NC contact when the car is at rest. If the contact remains open while the car is stopped (indicating a \u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"247\"\u003ewelded pole\u003c\/b\u003e), the controller will lock out the car for safety.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003eElectrical Interlock:\u003c\/b\u003e Prevents the \"Up\" and \"Down\" contactors from being energized at the same time by wiring the NC contact of one into the coil circuit of the other.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"11\"\u003e\n\u003ch3 data-path-to-node=\"12\"\u003e\u003cb data-path-to-node=\"12\" data-index-in-node=\"0\"\u003eInstallation \u0026amp; Mechanical Integration\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"13\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,0,0\"\u003e\u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"\u003eLateral Profile:\u003c\/b\u003e Mounting this to the side adds approximately \u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"62\"\u003e10mm to the width\u003c\/b\u003e of the contactor but maintains a slim depth. This is vital for \"wall-hugger\" style controllers where space is at a premium.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,1,0\"\u003e\u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"\u003eFirst-Position Mount:\u003c\/b\u003e The part number indicates this is a first-position block that mounts directly to the contactor body. On larger frame sizes (S2\/S3), you can often \"stack\" a second-position block onto this one if more contacts are needed later.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,2,0\"\u003e\u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"0\"\u003eSynchronized Action:\u003c\/b\u003e The block is physically linked to the movement of the main contactor armature, ensuring that the NO\/NC contacts switch precisely when the main power poles do.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"14\"\u003e\n\u003ch3 data-path-to-node=\"15\"\u003e\u003cb data-path-to-node=\"15\" data-index-in-node=\"0\"\u003eField Maintenance \u0026amp; Canadian Code Notes\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"16\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,0,0\"\u003e\u003cb data-path-to-node=\"16,0,0\" data-index-in-node=\"0\"\u003eMRL Accessibility:\u003c\/b\u003e In many MRL designs (like \u003cb data-path-to-node=\"16,0,0\" data-index-in-node=\"45\"\u003eKone\u003c\/b\u003e or \u003cb data-path-to-node=\"16,0,0\" data-index-in-node=\"53\"\u003eSchindler\u003c\/b\u003e), components are tightly packed. The side-mount design allows for easier access to the logic wiring without reaching over the high-voltage power leads on the front of the contactor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,1,0\"\u003e\u003cb data-path-to-node=\"16,1,0\" data-index-in-node=\"0\"\u003eTroubleshooting State Faults:\u003c\/b\u003e If the elevator controller is logging \"Contactor Feedback Errors,\" test the resistance across the NC terminals (usually 51-52 or 61-62). If the resistance is higher than \u003cb data-path-to-node=\"16,1,0\" data-index-in-node=\"200\"\u003e1–2 ohms\u003c\/b\u003e when the contactor is at rest, the internal contacts are likely carbonized and the block should be replaced.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,2,0\"\u003e\u003cb data-path-to-node=\"16,2,0\" data-index-in-node=\"0\"\u003eTerminal Torque:\u003c\/b\u003e Ensure screw terminals are torqued to \u003cb data-path-to-node=\"16,2,0\" data-index-in-node=\"55\"\u003e0.8–1.2 Nm\u003c\/b\u003e. Vibration in the hoistway or machine room can cause these small logic wires to vibrate loose, leading to intermittent safety string drops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,3,0\"\u003e\u003cb data-path-to-node=\"16,3,0\" data-index-in-node=\"0\"\u003eCompatibility Warning:\u003c\/b\u003e This block is only for \u003cb data-path-to-node=\"16,3,0\" data-index-in-node=\"46\"\u003e3RT2\u003c\/b\u003e (Innovations) series contactors. It will \u003cb data-path-to-node=\"16,3,0\" data-index-in-node=\"92\"\u003enot\u003c\/b\u003e fit the older \u003cb data-path-to-node=\"16,3,0\" data-index-in-node=\"110\"\u003e3RT1\u003c\/b\u003e (Legacy Sirius) units. For older Canadian installations, the equivalent side-mount is the \u003cb data-path-to-node=\"16,3,0\" data-index-in-node=\"205\"\u003e3RH1921-1DA11\u003c\/b\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R.A.M. Parts","offers":[{"title":"Default Title","offer_id":48120297357464,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/4369\/5000\/files\/rn-image_picker_lib_temp_6b74769d-b612-4783-bdb0-fa2ce5672cfa.jpg?v=1771368495"},{"product_id":"siemens-3rh2921-1ga40-contacter-auxiliary","title":"Siemens 3RH2921-1GA40 Auxiliary Contact Block","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003eSiemens 3RH2921-1GA40\u003c\/b\u003e is a 4-pole, \u003cb data-path-to-node=\"1\" data-index-in-node=\"39\"\u003eside-mounted\u003c\/b\u003e auxiliary contact block from the \u003cb data-path-to-node=\"1\" data-index-in-node=\"85\"\u003eSIRIUS Innovations\u003c\/b\u003e series. In the Canadian elevator industry, this side-mount version is the go-to choice for \u003cb data-path-to-node=\"1\" data-index-in-node=\"195\"\u003eMRL (Machine Room-Less)\u003c\/b\u003e controllers or shallow cabinets where there is not enough \"depth\" clearance to snap an auxiliary block onto the front of the contactor.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"0\"\u003eCore Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"3\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,0\"\u003e\u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"0\"\u003eSeries:\u003c\/b\u003e 3RH29 (SIRIUS Innovations)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\"\u003e\u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"0\"\u003eMounting:\u003c\/b\u003e \u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"10\"\u003eSide-mounted\u003c\/b\u003e (Snaps onto the left or right side of the contactor)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,0\"\u003e\u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"0\"\u003eContact Configuration:\u003c\/b\u003e \u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"23\"\u003e4 NO \/ 0 NC\u003c\/b\u003e (Four Normally Open contacts)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,3,0\"\u003e\u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"0\"\u003eCompatibility:\u003c\/b\u003e Designed for \u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"28\"\u003e3RT2\u003c\/b\u003e contactors and \u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"48\"\u003e3RH2\u003c\/b\u003e relays (Sizes \u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"67\"\u003eS0 to S3\u003c\/b\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,4,0\"\u003e\u003cb data-path-to-node=\"3,4,0\" data-index-in-node=\"0\"\u003eTerminal Type:\u003c\/b\u003e Screw terminals (Pozi-drive)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"4\"\u003e\n\u003ch3 data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eElevator Logic Applications (4 NO)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"6\"\u003eThe \"40\" suffix indicates a high-density Normally Open configuration. Because it lacks NC contacts, it is not used for \"Welded Contact\" monitoring; instead, it is used for \u003cb data-path-to-node=\"6\" data-index-in-node=\"172\"\u003eoperational signaling\u003c\/b\u003e:\u003c\/p\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eParallel Logic Signaling:\u003c\/b\u003e Providing independent \"Contactor Picked\" signals to the \u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"82\"\u003eCPU\u003c\/b\u003e, the \u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"91\"\u003eBrake Control Board\u003c\/b\u003e, and the \u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"120\"\u003eVFD (Drive)\u003c\/b\u003e simultaneously.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eRedundant Seal-in:\u003c\/b\u003e Utilizing multiple NO contacts in a seal-in circuit to ensure a single dirty contact doesn't cause a \"contact chatter\" fault.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003eAuxiliary Loads:\u003c\/b\u003e Triggering motor cooling fans or cabinet ventilation systems to run only when the hoist motor is energized.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003eStatus Indicators:\u003c\/b\u003e Feeding 120V or 24V signals to external diagnostic lights or mechanical trip counters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"8\"\u003e\n\u003ch3 data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eInstallation \u0026amp; Mechanical Integration\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003eLateral Profile:\u003c\/b\u003e By mounting to the side, the contactor remains \"slim\" in depth. This is critical when the controller cabinet is mounted in a narrow hoistway or door frame where the door would otherwise hit a front-mounted block.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003eLeft\/Right Versatility:\u003c\/b\u003e This block is typically mounted on the left side of the contactor, but depending on the contactor size and configuration, it can be mirrored.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"0\"\u003ePositive Linkage:\u003c\/b\u003e The block is physically actuated by the lateral stroke of the contactor’s internal carrier, ensuring the timing of the 4 NO contacts is perfectly synchronized with the main power poles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"11\"\u003e\n\u003ch3 data-path-to-node=\"12\"\u003e\u003cb data-path-to-node=\"12\" data-index-in-node=\"0\"\u003eField Maintenance \u0026amp; Canadian Code Notes\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"13\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,0,0\"\u003e\u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"\u003eCabinet Clearance (MRL):\u003c\/b\u003e If you are performing a repair in a shallow cabinet, verify that adding this block (approx. 10mm width) doesn't interfere with adjacent DIN rail components like fuses or terminal blocks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,1,0\"\u003e\u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"\u003eTroubleshooting Signaling:\u003c\/b\u003e If the elevator is failing to \"recognize\" that the contactor has pulled in (e.g., the brake won't lift or the drive won't start), check these NO contacts. In dusty machine rooms, a high-resistance contact (\u0026gt;2 ohms) will fail to pass the logic signal to the CPU.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,2,0\"\u003e\u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"0\"\u003eTerminal Torque:\u003c\/b\u003e To prevent intermittent logic faults in high-vibration elevator environments, torque the screw terminals to \u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"125\"\u003e0.8–1.2 Nm\u003c\/b\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,3,0\"\u003e\u003cb data-path-to-node=\"13,3,0\" data-index-in-node=\"0\"\u003e3RT2 vs. 3RT1:\u003c\/b\u003e This is an \u003cb data-path-to-node=\"13,3,0\" data-index-in-node=\"26\"\u003eInnovations\u003c\/b\u003e series component. It will \u003cb data-path-to-node=\"13,3,0\" data-index-in-node=\"64\"\u003enot\u003c\/b\u003e fit the older \u003cb data-path-to-node=\"13,3,0\" data-index-in-node=\"82\"\u003e3RT1\u003c\/b\u003e (Legacy Sirius) contactors found in many older Canadian controllers. For legacy units, the side-mount equivalent is the \u003cb data-path-to-node=\"13,3,0\" data-index-in-node=\"207\"\u003e3RH1921\u003c\/b\u003e series.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,4,0\"\u003e\u003cb data-path-to-node=\"13,4,0\" data-index-in-node=\"0\"\u003eSafety Limitation:\u003c\/b\u003e Since this block has \u003cb data-path-to-node=\"13,4,0\" data-index-in-node=\"40\"\u003e0 NC contacts\u003c\/b\u003e, it cannot be used alone to satisfy Canadian B44 code requirements for \"Contactor Monitoring\" (which requires an NC contact for state feedback). It is usually paired with a front-mount or another side-mount block that contains NC contacts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R.A.M. Parts","offers":[{"title":"Default Title","offer_id":48120297750680,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/4369\/5000\/files\/rn-image_picker_lib_temp_bd9a6535-77c1-4fbe-8bba-fcc333933f45.jpg?v=1771368450"},{"product_id":"siemens-3rh2921-1fa22-contacter-auxiliary","title":"Siemens 3RH2911-1FA22 Auxiliary Contact Block","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003eSiemens 3RH2911-1FA22\u003c\/b\u003e is a 4-pole, front-mounted auxiliary contact block part of the \u003cb data-path-to-node=\"1\" data-index-in-node=\"89\"\u003eSIRIUS Innovations\u003c\/b\u003e line. This is arguably the most common auxiliary expansion used in Canadian elevator controllers (such as \u003cb data-path-to-node=\"1\" data-index-in-node=\"214\"\u003eMCE\u003c\/b\u003e, \u003cb data-path-to-node=\"1\" data-index-in-node=\"219\"\u003eGAL Galaxy\u003c\/b\u003e, and \u003cb data-path-to-node=\"1\" data-index-in-node=\"235\"\u003eKone\u003c\/b\u003e). It provides the essential \"2 NO + 2 NC\" configuration required for both operational logic and safety monitoring on a single component.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"0\"\u003eCore Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"3\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,0\"\u003e\u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"0\"\u003eSeries:\u003c\/b\u003e 3RH29 (SIRIUS Innovations)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\"\u003e\u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"0\"\u003eMounting:\u003c\/b\u003e Front-mounted (Snap-on)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,0\"\u003e\u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"0\"\u003eContact Configuration:\u003c\/b\u003e \u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"23\"\u003e2 NO + 2 NC\u003c\/b\u003e (Two Normally Open, Two Normally Closed)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,3,0\"\u003e\u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"0\"\u003eCompatibility:\u003c\/b\u003e Snaps onto \u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"26\"\u003e3RT2\u003c\/b\u003e contactors or \u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"45\"\u003e3RH2\u003c\/b\u003e control relays (Sizes \u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"72\"\u003eS00 to S3\u003c\/b\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,4,0\"\u003e\u003cb data-path-to-node=\"3,4,0\" data-index-in-node=\"0\"\u003eTerminal Type:\u003c\/b\u003e Screw terminals (Pozi-drive)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"4\"\u003e\n\u003ch3 data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eElevator Logic Applications (2 NO + 2 NC)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"6\"\u003eThe \"22\" suffix is the industry standard because it handles the four primary feedback\/control tasks for a motor contactor:\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eThe 2 Normally Open (NO) Contacts:\u003c\/b\u003e\u003c\/p\u003e\n\u003col start=\"1\" data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\"\u003e\u003cb data-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003eSeal-in \/ Holding:\u003c\/b\u003e Keeps the contactor energized after the CPU pulses the start command.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003e\u003cb data-path-to-node=\"8,1,0\" data-index-in-node=\"0\"\u003eBrake \/ Logic Signaling:\u003c\/b\u003e Often used to signal the Brake Control Board that the motor contactor is \"Made,\" allowing the brake to lift.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eThe 2 Normally Closed (NC) Contacts:\u003c\/b\u003e\u003c\/p\u003e\n\u003col start=\"1\" data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003eSafety Feedback (Contactor Monitoring):\u003c\/b\u003e Per Canadian elevator code, the CPU monitors this NC contact when the car is at rest. If the contact remains open while the car is stopped, the CPU assumes a pole has \u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"207\"\u003ewelded\u003c\/b\u003e and locks out the car.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003eDirectional Interlocking:\u003c\/b\u003e Used in the \"Up\" contactor circuit to prevent it from pulling in while the \"Down\" contactor is active (and vice-versa).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr data-path-to-node=\"11\"\u003e\n\u003ch3 data-path-to-node=\"12\"\u003e\u003cb data-path-to-node=\"12\" data-index-in-node=\"0\"\u003eInstallation \u0026amp; Safety Features\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"13\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,0,0\"\u003e\u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"\u003eMirror Contact Certification:\u003c\/b\u003e These are officially rated as \u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"60\"\u003eMirror Contacts\u003c\/b\u003e. This means that if any of the main power poles of the contactor weld shut, the NC contacts are mechanically prevented from closing, ensuring the safety string cannot \"lie\" to the controller.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,1,0\"\u003e\u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"\u003eTool-Free Mounting:\u003c\/b\u003e The block snaps into the center slot of the 3RT2 contactor. To remove it for testing or replacement, simply press the release lever at the top of the block.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,2,0\"\u003e\u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"0\"\u003ePositive Driving:\u003c\/b\u003e The auxiliary contacts are physically linked to the main armature of the contactor, ensuring synchronized switching with the power poles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"14\"\u003e\n\u003ch3 data-path-to-node=\"15\"\u003e\u003cb data-path-to-node=\"15\" data-index-in-node=\"0\"\u003eField Maintenance \u0026amp; Canadian Code Notes\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"16\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,0,0\"\u003e\u003cb data-path-to-node=\"16,0,0\" data-index-in-node=\"0\"\u003eTroubleshooting \"Ghost\" Faults:\u003c\/b\u003e If an elevator is throwing intermittent \"Contactor State Mismatch\" or \"Brake Not Lifting\" errors, the 3RH29 block is often the culprit. Check for carbon buildup on the contact faces; if resistance exceeds \u003cb data-path-to-node=\"16,0,0\" data-index-in-node=\"237\"\u003e1–2 ohms\u003c\/b\u003e when the contact is closed, replace the block.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,1,0\"\u003e\u003cb data-path-to-node=\"16,1,0\" data-index-in-node=\"0\"\u003eTerminal Torque:\u003c\/b\u003e Ensure the logic-level wires (typically 18AWG or 16AWG) are torqued to \u003cb data-path-to-node=\"16,1,0\" data-index-in-node=\"88\"\u003e0.8–1.2 Nm\u003c\/b\u003e. In high-vibration machine rooms, loose terminals here cause intermittent safety string drops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,2,0\"\u003e\u003cb data-path-to-node=\"16,2,0\" data-index-in-node=\"0\"\u003eInnovations vs. Legacy:\u003c\/b\u003e This block is for \u003cb data-path-to-node=\"16,2,0\" data-index-in-node=\"42\"\u003e3RT2\u003c\/b\u003e series contactors only. If you are servicing an older controller using \u003cb data-path-to-node=\"16,2,0\" data-index-in-node=\"118\"\u003e3RT1\u003c\/b\u003e (Legacy Sirius) contactors, this block will not fit. You must use the \u003cb data-path-to-node=\"16,2,0\" data-index-in-node=\"193\"\u003e3RH1911-1FA22\u003c\/b\u003e instead.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,3,0\"\u003e\u003cb data-path-to-node=\"16,3,0\" data-index-in-node=\"0\"\u003eDepth Constraints:\u003c\/b\u003e Because this block adds roughly 38mm to the depth of the contactor, ensure there is enough clearance from the controller cabinet door before closing it, especially in slim-line MRL (Machine Room-Less) controllers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R.A.M. Parts","offers":[{"title":"Default Title","offer_id":48120297980056,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/4369\/5000\/files\/rn-image_picker_lib_temp_ffd1352b-4c93-4007-8951-3f6a98987069.jpg?v=1771368319"},{"product_id":"siemens-3rh2911-1fa04-contacter-auxiliary","title":"Siemens 3RH2911-1FA04 Auxiliary Contact Block","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003eSiemens 3RH2911-1FA04\u003c\/b\u003e is a 4-pole, front-mounted auxiliary contact block part of the \u003cb data-path-to-node=\"1\" data-index-in-node=\"89\"\u003eSIRIUS Innovations\u003c\/b\u003e line. In the Canadian elevator industry, this specific configuration is often used in \u003cb data-path-to-node=\"1\" data-index-in-node=\"194\"\u003eSafety Monitoring Circuits\u003c\/b\u003e and \u003cb data-path-to-node=\"1\" data-index-in-node=\"225\"\u003eContactor State Feedback\u003c\/b\u003e. It is designed to snap onto the front of \u003cb data-path-to-node=\"1\" data-index-in-node=\"292\"\u003e3RT2\u003c\/b\u003e contactors or \u003cb data-path-to-node=\"1\" data-index-in-node=\"311\"\u003e3RH2\u003c\/b\u003e control relays across all frame sizes from \u003cb data-path-to-node=\"1\" data-index-in-node=\"359\"\u003eS00 to S3\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"0\"\u003eCore Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"3\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,0\"\u003e\u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"0\"\u003eSeries:\u003c\/b\u003e 3RH29 (SIRIUS Innovations)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\"\u003e\u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"0\"\u003eMounting:\u003c\/b\u003e Front-mounted (Top snap)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,0\"\u003e\u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"0\"\u003eContact Configuration:\u003c\/b\u003e \u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"23\"\u003e0 NO \/ 4 NC\u003c\/b\u003e (Four Normally Closed contacts)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,3,0\"\u003e\u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"0\"\u003eCurrent Rating:\u003c\/b\u003e 10A (Thermal) \/ 6A (AC-15 at 230V)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,4,0\"\u003e\u003cb data-path-to-node=\"3,4,0\" data-index-in-node=\"0\"\u003eTerminal Type:\u003c\/b\u003e Screw terminals (Pozi-drive)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"4\"\u003e\n\u003ch3 data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eSpecific Contact Logic (0 NO + 4 NC)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"6\"\u003eThe \"04\" designation is a specialized configuration. Because it contains only NC contacts, it is primarily utilized for \u003cb data-path-to-node=\"6\" data-index-in-node=\"120\"\u003eFail-Safe Monitoring\u003c\/b\u003e:\u003c\/p\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eRedundant Feedback:\u003c\/b\u003e Used to provide multiple independent signals to the elevator CPU verifying that the contactor has fully de-energized.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eMirror Contact Safety:\u003c\/b\u003e These are certified \"Mirror Contacts.\" Per IEC and Canadian safety standards, if a main power pole on the contactor welds shut, these NC contacts are mechanically guaranteed not to close, preventing the controller from misinterpreting the state of the machine.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003eComplex Interlocking:\u003c\/b\u003e Useful in multi-contactor logic where several \"not-running\" signals must be verified before the safety string can be reset.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"8\"\u003e\n\u003ch3 data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eInstallation \u0026amp; Mechanical Integration\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003eTool-Free Mounting:\u003c\/b\u003e The block snaps into the center slot of the base contactor. To remove it, you simply depress the release lever on the top of the block.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003ePositively Driven:\u003c\/b\u003e The internal actuator is physically linked to the contactor's armature, ensuring that the timing of the NC contacts opening\/closing is synchronized with the main power poles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"0\"\u003eHigh-Density Logic:\u003c\/b\u003e By mounting to the front, you expand your logic capacity without using any additional DIN rail space, which is critical in compact Canadian controller enclosures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"11\"\u003e\n\u003ch3 data-path-to-node=\"12\"\u003e\u003cb data-path-to-node=\"12\" data-index-in-node=\"0\"\u003eField Maintenance \u0026amp; Canadian Code Notes\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"13\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,0,0\"\u003e\u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"\u003eB44 Code Compliance:\u003c\/b\u003e Many modern elevator controllers (like those from \u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"71\"\u003eMCE, KEB, or GAL\u003c\/b\u003e) use these NC contacts to comply with the B44 requirement for \"Contactor Monitoring.\" If the NC contact fails to close when the car stops, the controller will \"lock out\" to prevent a potentially dangerous start with a welded contactor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,1,0\"\u003e\u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"\u003eDiagnostic Troubleshooting:\u003c\/b\u003e If the elevator is throwing \"Contactor Feedback\" or \"Input Mismatch\" errors, a high-resistance or carbonized contact in this 3RH29 block is a common culprit. Replace the block if the resistance across any NC terminal pair exceeds \u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"258\"\u003e1–2 ohms\u003c\/b\u003e when the contactor is at rest.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,2,0\"\u003e\u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"0\"\u003eTerminal Torque:\u003c\/b\u003e Ensure the logic wires are torqued to \u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"55\"\u003e0.8–1.2 Nm\u003c\/b\u003e. Over-tightening can crack the plastic housing, while under-tightening leads to intermittent signals that are notoriously difficult to track down.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,3,0\"\u003e\u003cb data-path-to-node=\"13,3,0\" data-index-in-node=\"0\"\u003eCompatibility Check:\u003c\/b\u003e This block is for \u003cb data-path-to-node=\"13,3,0\" data-index-in-node=\"39\"\u003e3RT2\/3RH2\u003c\/b\u003e (Innovations) series only. It will not fit the older \u003cb data-path-to-node=\"13,3,0\" data-index-in-node=\"102\"\u003e3RT1\u003c\/b\u003e (Legacy Sirius) contactors. For older units, the equivalent 4-NC block is the \u003cb data-path-to-node=\"13,3,0\" data-index-in-node=\"185\"\u003e3RH1911-1FA04\u003c\/b\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R.A.M. Parts","offers":[{"title":"Default Title","offer_id":48120298340504,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/4369\/5000\/files\/rn-image_picker_lib_temp_379a7a8c-3edf-4665-80b9-1f06a904fb2f.jpg?v=1771368171"}],"url":"https:\/\/parts4rem.ca\/collections\/aux-relay-and-timers.oembed","provider":"Parts4REM","version":"1.0","type":"link"}