{"product_id":"siemens-3rt2037-1ak60","title":"Siemens 3RT2037-1AK60 Contactor","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003eSiemens 3RT2037-1AK60\u003c\/b\u003e is a 3-pole power contactor from the \u003cb data-path-to-node=\"1\" data-index-in-node=\"63\"\u003eSIRIUS Innovations\u003c\/b\u003e series (\u003cb data-path-to-node=\"1\" data-index-in-node=\"90\"\u003eSize S2\u003c\/b\u003e). In Canadian elevator installations, this 65A unit is a standard choice for \u003cb data-path-to-node=\"1\" data-index-in-node=\"175\"\u003eHydraulic Pump Starters\u003c\/b\u003e and \u003cb data-path-to-node=\"1\" data-index-in-node=\"203\"\u003eTraction Main Line\u003c\/b\u003e circuits. The \u003cb data-path-to-node=\"1\" data-index-in-node=\"236\"\u003e\"AK60\"\u003c\/b\u003e suffix designates the \u003cb data-path-to-node=\"1\" data-index-in-node=\"265\"\u003e120V AC, 60Hz\u003c\/b\u003e coil, which is the most common logic voltage for Canadian controllers like MCE, GAL, and ThyssenKrupp.\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 3RT2 (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\"\u003eS2\u003c\/b\u003e (55mm 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 (AC-3):\u003c\/b\u003e \u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"23\"\u003e65A\u003c\/b\u003e (Approx. 50 HP at 575V \/ 40 HP at 460V)\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\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\"\u003e1 NO + 1 NC\u003c\/b\u003e (Built-in auxiliary feedback)\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 (Box clamps for power leads)\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 1 NO + 1 NC)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"6\"\u003eThe S2 frame comes equipped with built-in auxiliaries that often handle the primary logic requirements:\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\"\u003e1 NO (Normally Open):\u003c\/b\u003e Typically utilized for the \u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"49\"\u003eSeal-in\u003c\/b\u003e (holding) circuit or as a high-voltage signal to the \u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"110\"\u003eBrake Control Board\u003c\/b\u003e or \u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"133\"\u003eVFD\u003c\/b\u003e to indicate the contactor is \"Made.\"\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 Used for \u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"33\"\u003eContactor Monitoring (B44 Code)\u003c\/b\u003e. This provides the feedback signal to the CPU to verify the contactor is dropped at every stop.\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\"\u003eIf your controller requires additional signaling or protection, the following S2 accessories are standard:\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\"\u003e3RH2911-1FA22:\u003c\/b\u003e Front-mounted (2 NO + 2 NC) — Standard for expanded safety strings.\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\"\u003e3RH2921-1DA11:\u003c\/b\u003e Side-mounted (1 NO + 1 NC) — Best for \u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"53\"\u003eMRL\u003c\/b\u003e or shallow cabinets.\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\"\u003e3RH2911-1FA40:\u003c\/b\u003e Front-mounted (4 NO) — Used for high-density signaling.\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\"\u003eThermal Overload Relays (Direct Mount)\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\"\u003e3RU2136-4JB0:\u003c\/b\u003e 34A to 47A\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\"\u003e3RU2136-4KB0:\u003c\/b\u003e 47A to 63A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,2,0\"\u003e\u003cb data-path-to-node=\"14,2,0\" data-index-in-node=\"0\"\u003e3RU2136-4RB0:\u003c\/b\u003e 40A to 57A\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\"\u003e3RT2936-1BB00:\u003c\/b\u003e Varistor (127V AC) — Essential for protecting the CPU from coil-collapse spikes.\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\"\u003eMaintenance \/ Code Details\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 integrated NC contact is a certified \u003cb data-path-to-node=\"19,0,0\" data-index-in-node=\"64\"\u003eMirror Contact\u003c\/b\u003e. Per Canadian code, if a main power pole welds shut, the NC contact is mechanically held open. This allows the CPU to detect the failure and prevent a dangerous restart.\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\"\u003eBox Terminal Torque:\u003c\/b\u003e Power leads must be torqued to \u003cb data-path-to-node=\"19,1,0\" data-index-in-node=\"52\"\u003e3 to 4.5 Nm\u003c\/b\u003e. Under-torquing at 65A leads to thermal failure and terminal \"meltdown,\" particularly in high-traffic hydraulic elevators.\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\"\u003eCoil Serviceability:\u003c\/b\u003e The coil (\u003cb data-path-to-node=\"19,2,0\" data-index-in-node=\"31\"\u003e3RT2934-5AK61\u003c\/b\u003e) is replaceable from the front. If the contactor hums or chatters, the coil or the armature pole faces likely need inspection.\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\"\u003eLegacy Compatibility:\u003c\/b\u003e This \u003cb data-path-to-node=\"19,3,0\" data-index-in-node=\"27\"\u003e3RT2\u003c\/b\u003e model replaces the older \u003cb data-path-to-node=\"19,3,0\" data-index-in-node=\"57\"\u003e3RT1037\u003c\/b\u003e. While electrical ratings match, the 3RT2 is deeper; verify cabinet door clearance in older controllers before finalizing the swap.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R.A.M. Parts","offers":[{"title":"Default Title","offer_id":47742800920728,"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_e3156248-41ba-4ca6-b510-ff9bd2ae4036.jpg?v=1772136786","url":"https:\/\/parts4rem.ca\/products\/siemens-3rt2037-1ak60","provider":"Parts4REM","version":"1.0","type":"link"}