{"product_id":"siemens-3rt2035-1ak60-41a","title":"Siemens 3RT2035-1AK60 Contactor","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003eSiemens 3RT2035-1AK60\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 the Canadian elevator market, this 41A unit is a common selection for \u003cb data-path-to-node=\"1\" data-index-in-node=\"173\"\u003eHydraulic Pump Starters\u003c\/b\u003e and \u003cb data-path-to-node=\"1\" data-index-in-node=\"201\"\u003eTraction Main Line\u003c\/b\u003e contactors for smaller hoist motors. The \u003cb data-path-to-node=\"1\" data-index-in-node=\"261\"\u003e\"AK60\"\u003c\/b\u003e suffix designates the \u003cb data-path-to-node=\"1\" data-index-in-node=\"290\"\u003e120V AC, 60Hz\u003c\/b\u003e coil, which is the standard logic voltage for Canadian elevator controllers.\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\"\u003e41A\u003c\/b\u003e (Approx. 30 HP at 575V \/ 25 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 includes built-in auxiliary contacts that switch in synchronization with the power poles:\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 used for the \u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"45\"\u003eSeal-in\u003c\/b\u003e (holding) circuit or as a \"Made\" signal to the \u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"100\"\u003eBrake Control Board\u003c\/b\u003e or \u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"123\"\u003eVFD\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\"\u003e1 NC (Normally Closed):\u003c\/b\u003e Specifically used for \u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"46\"\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\"\u003eThe S2 frame is highly modular, allowing for these standard elevator-specific additions:\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) — Essential for shallow \u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"66\"\u003eMRL\u003c\/b\u003e 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\"\u003e3RU2136-4FB0:\u003c\/b\u003e 28.0A to 40.0A\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\"\u003e3RU2136-4GB0:\u003c\/b\u003e 34.0A to 47.0A (Standard for motors near 40A FLA)\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\"\u003e3RU2136-4HB0:\u003c\/b\u003e 22.0A to 32.0A\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) — Plugs directly into the coil terminals to prevent inductive spikes from damaging the controller's CPU outputs.\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 power pole welds, the NC contact is mechanically prevented from closing. This ensures the CPU detects the state mismatch and locks 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\"\u003ePower Terminal Torque:\u003c\/b\u003e Box terminals must be torqued to \u003cb data-path-to-node=\"19,1,0\" data-index-in-node=\"56\"\u003e3.0 to 4.5 Nm\u003c\/b\u003e. Under-torquing at 41A leads to terminal \"meltdown\" and potential single-phasing of the motor.\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) can be replaced from the front. If the contactor produces a loud \"buzz,\" check for dust on the pole faces or a failing coil.\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 Note:\u003c\/b\u003e This \u003cb data-path-to-node=\"19,3,0\" data-index-in-node=\"18\"\u003e3RT2\u003c\/b\u003e model replaces the older \u003cb data-path-to-node=\"19,3,0\" data-index-in-node=\"48\"\u003e3RT1035\u003c\/b\u003e. While the amperage is compatible, the 3RT2 is deeper; verify that the cabinet door has enough clearance before finalizing the installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R.A.M. Parts","offers":[{"title":"Default Title","offer_id":47742793646232,"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_8f9ef5b2-c7ab-41a2-b7d7-0b31ba711e08.jpg?v=1772137659","url":"https:\/\/parts4rem.ca\/products\/siemens-3rt2035-1ak60-41a","provider":"Parts4REM","version":"1.0","type":"link"}