{"product_id":"siemens-3rh2131-1ak60","title":"Siemens SIRIUS 3RH2131-1AK60 Contactor Relay","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003eSiemens 3RH2131-1AK60\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 systems, this relay is a \"workhorse\" for \u003cb data-path-to-node=\"1\" data-index-in-node=\"185\"\u003eSafety String Logic\u003c\/b\u003e, \u003cb data-path-to-node=\"1\" data-index-in-node=\"206\"\u003eBrake Pilot circuits\u003c\/b\u003e, and \u003cb data-path-to-node=\"1\" data-index-in-node=\"232\"\u003eInspection\/Fire Service multipliers\u003c\/b\u003e. The \u003cb data-path-to-node=\"1\" data-index-in-node=\"273\"\u003e\"AK60\"\u003c\/b\u003e suffix confirms the standard Canadian \u003cb data-path-to-node=\"1\" data-index-in-node=\"318\"\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\"\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=\"3,2,0\" data-index-in-node=\"25\"\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\"\u003e3 NO + 1 NC\u003c\/b\u003e (Fixed, non-removable)\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 3 NO + 1 NC)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"6\"\u003eThe \"31\" configuration is specifically chosen for circuits requiring multiple \"Forward\" signals and a single feedback\/interlock:\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\"\u003e3 NO (Normally Open):\u003c\/b\u003e Often used to pass the safety string status to multiple destinations simultaneously (e.g., the Main Controller CPU, the VFD Enable, and the Brake Board).\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\"\u003e1 NC (Normally Closed):\u003c\/b\u003e Primarily used for \u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"43\"\u003eContactor Monitoring (B44 Code)\u003c\/b\u003e. This provides the mandatory feedback to the CPU to verify the relay has dropped before the car can restart.\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 supports snap-on accessories to expand logic without increasing DIN rail width:\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) — \u003ci data-path-to-node=\"12,0,0\" data-index-in-node=\"45\"\u003eCommon for adding an extra set of monitoring contacts.\u003c\/i\u003e\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) — Expands the relay to 8 total poles.\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) — Ideal for shallow \u003cb data-path-to-node=\"12,2,0\" data-index-in-node=\"62\"\u003eMRL\u003c\/b\u003e or door operator boxes.\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 of the unit. Highly recommended to protect the controller's solid-state outputs from inductive kickback.\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 Used to mechanically link two 3RH2 relays together for critical \"Forward\/Reverse\" or \"Up\/Down\" 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 The 3RH2 series features \u003cb data-path-to-node=\"19,0,0\" data-index-in-node=\"48\"\u003eMechanically Linked Contacts\u003c\/b\u003e (also known as Force-Guided contacts). Per Canadian code, if any NO contact welds, the NC contact is held open. This ensures the CPU can detect the fault and safely 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\"\u003eTerminal Torque:\u003c\/b\u003e Screw terminals must be torqued to \u003cb data-path-to-node=\"19,1,0\" data-index-in-node=\"52\"\u003e0.8 to 1.2 Nm\u003c\/b\u003e. These units are often mounted on the car top; vibration from the door operator or car movement can loosen under-torqued terminals, causing intermittent safety string \"ghost\" 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\"\u003eServiceability:\u003c\/b\u003e Note that on the \u003cb data-path-to-node=\"19,2,0\" data-index-in-node=\"33\"\u003eS00 frame\u003c\/b\u003e, the coil is \u003cb data-path-to-node=\"19,2,0\" data-index-in-node=\"56\"\u003enot replaceable\u003c\/b\u003e. If the coil burns out or the magnet becomes noisy, the entire unit must be swapped.\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\"\u003eDirect Replacement:\u003c\/b\u003e This 3RH2 model is the modern replacement for the legacy \u003cb data-path-to-node=\"19,3,0\" data-index-in-node=\"77\"\u003e3RH1131\u003c\/b\u003e. It maintains the same width but is slightly deeper; verify cabinet clearance in older modernization projects.\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eReplaces GE RL4RA031T\u003c\/p\u003e","brand":"R.A.M. Parts","offers":[{"title":"Default Title","offer_id":47742676009112,"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_fede37e8-ff55-4952-9e3f-a444a2d136a2.jpg?v=1771953383","url":"https:\/\/parts4rem.ca\/products\/siemens-3rh2131-1ak60","provider":"Parts4REM","version":"1.0","type":"link"}