{"product_id":"siemens-3rt2027-1ak60","title":"Siemens 3RT2027-1AK60 Contactor","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-index-in-node=\"4\" data-path-to-node=\"1\"\u003eSiemens 3RT2027-1AK60\u003c\/b\u003e is a 3-pole, \u003cb data-index-in-node=\"39\" data-path-to-node=\"1\"\u003eSize S0\u003c\/b\u003e magnetic contactor from the Sirius Innovations line. In Canadian elevator installations, this is a \"workhorse\" component typically used as a \u003cb data-index-in-node=\"188\" data-path-to-node=\"1\"\u003eMain Motor Contactor\u003c\/b\u003e or \u003cb data-index-in-node=\"212\" data-path-to-node=\"1\"\u003eBrake Contactor\u003c\/b\u003e. The \u003cb data-index-in-node=\"233\" data-path-to-node=\"1\"\u003e-1AK60\u003c\/b\u003e suffix specifically indicates a \u003cb data-index-in-node=\"272\" data-path-to-node=\"1\"\u003e120V AC (60Hz)\u003c\/b\u003e coil, which is the standard logic voltage for most North American controllers.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"2\"\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-index-in-node=\"0\" data-path-to-node=\"3,0,0\"\u003eFrame Size:\u003c\/b\u003e S0 (45mm frame width)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"3,1,0\"\u003eCurrent Rating (AC-3):\u003c\/b\u003e 32A (Approx. 20 HP at 460V)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"3,2,0\"\u003eCoil Voltage:\u003c\/b\u003e 110V AC (50Hz) \/ \u003cb data-index-in-node=\"31\" data-path-to-node=\"3,2,0\"\u003e120V AC (60Hz)\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"3,3,0\"\u003eIntegrated Contacts:\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=\"3,4,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"3,4,0\"\u003eMounting:\u003c\/b\u003e Standard 35mm DIN rail or screw-down plate\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-index-in-node=\"0\" data-path-to-node=\"5\"\u003eAuxiliary Contact Blocks (Expansion)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"6\"\u003eIf the integrated 1NO\/1NC is insufficient for the safety string or feedback logic, you can snap on additional blocks. \u003cb data-index-in-node=\"118\" data-path-to-node=\"6\"\u003eNote:\u003c\/b\u003e Size S0 allows for a maximum of 4 additional contacts.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7\"\u003eFront-Mounted (Snap-on)\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-index-in-node=\"0\" data-path-to-node=\"8,0,0\"\u003e3RH2911-1HA11:\u003c\/b\u003e 1 NO + 1 NC (Standard expansion)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"8,1,0\"\u003e3RH2911-1HA22:\u003c\/b\u003e 2 NO + 2 NC (Maximum front-mount density)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"8,2,0\"\u003e3RH2911-1FA20:\u003c\/b\u003e 2 NO (Used for extra signaling)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"8,3,0\"\u003e3RH2911-1FB22:\u003c\/b\u003e 2 NO + 2 NC (Delayed\/Late-break specialty blocks)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"9\"\u003eSide-Mounted\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-index-in-node=\"0\" data-path-to-node=\"10,0,0\"\u003e3RH2921-1DA11:\u003c\/b\u003e 1 NO + 1 NC (Used when depth is limited but width is available)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,1,0\"\u003e3RH2921-1DE11:\u003c\/b\u003e 2 NO (Side-mount)\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-index-in-node=\"0\" data-path-to-node=\"12\"\u003eThermal Overload Relays (Protection)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"13\"\u003eTo protect the hoist motor from single-phasing or over-current, a thermal overload relay is plugged directly into the bottom of the contactor.\u003c\/p\u003e\n\u003cp data-path-to-node=\"14\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"14\"\u003eStandard 3RU Thermal Series (Manual\/Auto Reset)\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"15\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,0,0\"\u003e3RU2126-4EB0:\u003c\/b\u003e 27.0A to 32.0A (Matches the contactor's max rating)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,1,0\"\u003e3RU2126-4PB0:\u003c\/b\u003e 30.0A to 36.0A (For motors running near the limit)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"15,2,0\"\u003e3RU2126-4DB0:\u003c\/b\u003e 18.0A to 25.0A (Common for smaller Canadian hydraulic power units)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"16\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"16\"\u003eElectronic Overload (3RB Series)\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"17\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"17,0,0\"\u003e3RB3026-1VB0:\u003c\/b\u003e 6.0A to 25.0A (Higher precision for sensitive modern motors)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"17,1,0\"\u003e3RB3026-1WB0:\u003c\/b\u003e 10.0A to 40.0A (Solid-state protection)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"18\"\u003e\n\u003ch3 data-path-to-node=\"19\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"19\"\u003eAccessories \u0026amp; Field Protection\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"20\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"20,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"20,0,0\"\u003eSurge Suppressors (Coil Protection):\u003c\/b\u003e Required in elevator cabinets to prevent EMF spikes from crashing the CPU.\u003c\/p\u003e\n\u003cul data-path-to-node=\"20,0,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"20,0,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"20,0,1,0,0\"\u003e3RT2926-1CB00:\u003c\/b\u003e RC Element (Best for AC coils)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"20,0,1,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"20,0,1,1,0\"\u003e3RT2926-1BB00:\u003c\/b\u003e Varistor (General purpose voltage spike protection)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"20,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"20,1,0\"\u003eMechanical Interlocks:\u003c\/b\u003e Used for reversing starters (Up\/Down contactors).\u003c\/p\u003e\n\u003cul data-path-to-node=\"20,1,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"20,1,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"20,1,1,0,0\"\u003e3RA2923-2AA1:\u003c\/b\u003e Reversing wiring kit (includes mechanical interlock)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"20,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"20,2,0\"\u003eSealable Covers:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"20,2,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"20,2,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"20,2,1,0,0\"\u003e3RT2916-4MA10:\u003c\/b\u003e Clear cover to prevent manual overriding (often required by safety inspectors to ensure the contactor isn't \"pushed in\" by hand).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"21\"\u003e\n\u003ch3 data-path-to-node=\"22\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"22\"\u003eField Maintenance Tips\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"23\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"23,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"23,0,0\"\u003eCoil Replacement:\u003c\/b\u003e If the coil burns out, the \u003cb data-index-in-node=\"45\" data-path-to-node=\"23,0,0\"\u003e3RT2926-5AK61\u003c\/b\u003e is the replacement 120V coil for this S0 frame. You do not need to replace the entire contactor if the contacts are still clean.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"23,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"23,1,0\"\u003eThe \"Hum\" Test:\u003c\/b\u003e If the contactor buzzes loudly, check for debris on the magnet face. Because many machine rooms are dusty, fine particles can prevent the armature from seating fully, causing the 60Hz hum.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"23,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"23,2,0\"\u003eTerminal Torque:\u003c\/b\u003e Canadian elevator code (and electrical code) requires proper torque. For the S0 frame, power terminals should be torqued to approx. \u003cb data-index-in-node=\"149\" data-path-to-node=\"23,2,0\"\u003e2.0 to 2.5 Nm\u003c\/b\u003e. Loose terminals are the #1 cause of \"burnt\" contactors in hydraulic systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReplaces Siemens 3TF44\u003c\/strong\u003e\u003c\/p\u003e","brand":"R.A.M. Parts","offers":[{"title":"Default Title","offer_id":48122532954264,"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_75dc924c-2ce2-4181-8245-c852942f7097.jpg?v=1771366721","url":"https:\/\/parts4rem.ca\/products\/siemens-3rt2027-1ak60","provider":"Parts4REM","version":"1.0","type":"link"}