{"product_id":"siemens-3rh2122-1ak60","title":"Siemens SIRIUS 3RH2122-1AK60 Contactor Relay","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003eSiemens 3RH2122-1AK60\u003c\/b\u003e is a 4-pole auxiliary contactor (contactor relay) from the \u003cb data-path-to-node=\"1\" data-index-in-node=\"85\"\u003eSIRIUS Innovations\u003c\/b\u003e series (\u003cb data-path-to-node=\"1\" data-index-in-node=\"112\"\u003eSize S00\u003c\/b\u003e). In Canadian elevator controllers, this model is the \"balanced\" standard for \u003cb data-path-to-node=\"1\" data-index-in-node=\"199\"\u003eSafety String Logic\u003c\/b\u003e, \u003cb data-path-to-node=\"1\" data-index-in-node=\"220\"\u003eBrake Pilot circuits\u003c\/b\u003e, and \u003cb data-path-to-node=\"1\" data-index-in-node=\"246\"\u003eDoor Operator interfaces\u003c\/b\u003e. The \u003cb data-path-to-node=\"1\" data-index-in-node=\"276\"\u003e\"AK60\"\u003c\/b\u003e suffix confirms the standard Canadian \u003cb data-path-to-node=\"1\" data-index-in-node=\"321\"\u003e120V AC, 60Hz\u003c\/b\u003e coil.\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 3RH2 (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\"\u003eSize:\u003c\/b\u003e \u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"6\"\u003eS00\u003c\/b\u003e (45mm width)\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\"\u003eAmperage (\u003cspan class=\"math-inline\" data-math=\"I_{th}\" data-index-in-node=\"10\"\u003e$I_{th}$\u003c\/span\u003e):\u003c\/b\u003e \u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"19\"\u003e10A\u003c\/b\u003e (Pilot duty \/ Control circuit only)\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\"\u003eCoil Voltage:\u003c\/b\u003e \u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"14\"\u003e120V AC, 60Hz\u003c\/b\u003e (Standard Canadian Logic)\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\"\u003eIntegrated Contacts:\u003c\/b\u003e \u003cb data-path-to-node=\"3,4,0\" data-index-in-node=\"21\"\u003e2 NO + 2 NC\u003c\/b\u003e (Fixed configuration)\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 (Integrated 2 NO + 2 NC)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"6\"\u003eThe \"22\" designation provides a symmetrical logic split, ideal for controllers requiring both redundant signaling and monitoring:\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 One is typically used to provide the \u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"59\"\u003e\"Safety String Made\"\u003c\/b\u003e signal to the CPU, while the second acts as a hardware enable for the \u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"150\"\u003eVFD\u003c\/b\u003e or \u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"157\"\u003eBrake Board\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. The second is often used as an \u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"108\"\u003eElectrical Interlock\u003c\/b\u003e to cross-wire against an opposing relay (e.g., ensuring \"Up\" and \"Down\" pilots cannot be active simultaneously).\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\"\u003eThe S00 frame allows for rapid logic expansion through modular snap-on components:\u003c\/p\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eAuxiliary Contact Blocks\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\"\u003e3RH2911-1FA11:\u003c\/b\u003e Front-mounted (1 NO + 1 NC) — Expands the relay to 6 total poles.\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\"\u003e3RH2911-1FA22:\u003c\/b\u003e Front-mounted (2 NO + 2 NC) — Standard for complex Fire Service or Emergency Power sequencing.\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\"\u003e3RH2911-1DA11:\u003c\/b\u003e Side-mounted (1 NO + 1 NC) — Essential for slim \u003cb data-path-to-node=\"12,2,0\" data-index-in-node=\"63\"\u003eMRL\u003c\/b\u003e cabinets where front-mount depth is limited.\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\"\u003eSurge Suppression\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\"\u003e3RT2916-1BB00:\u003c\/b\u003e Varistor (127V AC) — Plugs directly into the front. \u003cb data-path-to-node=\"14,0,0\" data-index-in-node=\"67\"\u003eHighly recommended\u003c\/b\u003e in Canadian controllers to prevent inductive spikes from crashing the CPU or damaging solid-state outputs.\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\"\u003eMechanical Interlocks\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\"\u003e3RA2912-2H:\u003c\/b\u003e Mechanical link kit to pair two 3RH2 relays for hardware-level safety interlocking.\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 This relay features \u003cb data-path-to-node=\"19,0,0\" data-index-in-node=\"43\"\u003eForce-Guided (Mechanically Linked) Contacts\u003c\/b\u003e. Per Canadian code, if any NO contact welds, the NC contact is mechanically held open. This physical safety feature allows the CPU to reliably detect a \"Contact Weld\" fault and lock out the elevator.\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\"\u003eServiceability:\u003c\/b\u003e On the \u003cb data-path-to-node=\"19,1,0\" data-index-in-node=\"23\"\u003eS00 frame\u003c\/b\u003e, the coil is \u003cb data-path-to-node=\"19,1,0\" data-index-in-node=\"46\"\u003enot replaceable\u003c\/b\u003e. If the coil fails or the magnet becomes noisy\/chattery, the entire unit must be replaced to maintain code-compliant integrity.\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\"\u003eTerminal Torque:\u003c\/b\u003e Screws must be torqued to \u003cb data-path-to-node=\"19,2,0\" data-index-in-node=\"43\"\u003e0.8 to 1.2 Nm\u003c\/b\u003e. These relays are often subjected to car-top or machine-room vibration; loose terminals are a primary cause of intermittent \"Safety String\" or \"Feedback Error\" faults.\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\"\u003eIdentification:\u003c\/b\u003e The 3RH2 is the modern successor to the legacy \u003cb data-path-to-node=\"19,3,0\" data-index-in-node=\"63\"\u003e3RH1122\u003c\/b\u003e. While the footprint is identical, the 3RH2 features higher contact reliability and improved surge suppression options.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R.A.M. Parts","offers":[{"title":"Default Title","offer_id":47742655594648,"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_5d4c1482-6745-4a5c-acd2-a7750d909a28.jpg?v=1771962835","url":"https:\/\/parts4rem.ca\/products\/siemens-3rh2122-1ak60","provider":"Parts4REM","version":"1.0","type":"link"}