{"product_id":"siemens-3rt2046-1ak60","title":"Siemens 3RT2046-1AK60 Contactor","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003eSiemens 3RT2046-1AK60\u003c\/b\u003e is a heavy-duty, 3-pole \u003cb data-path-to-node=\"1\" data-index-in-node=\"50\"\u003eSize S3\u003c\/b\u003e magnetic contactor. Within the Canadian elevator industry, this unit is typically reserved for high-demand applications, such as \u003cb data-path-to-node=\"1\" data-index-in-node=\"187\"\u003eMain Line Power Contactors\u003c\/b\u003e, large \u003cb data-path-to-node=\"1\" data-index-in-node=\"221\"\u003eTraction Machine Drives\u003c\/b\u003e, or high-horsepower \u003cb data-path-to-node=\"1\" data-index-in-node=\"265\"\u003eHydraulic Power Units (HPUs)\u003c\/b\u003e. The \u003cb data-path-to-node=\"1\" data-index-in-node=\"299\"\u003e-1AK60\u003c\/b\u003e suffix indicates a \u003cb data-path-to-node=\"1\" data-index-in-node=\"325\"\u003e120V AC (60Hz)\u003c\/b\u003e coil, the standard for North American elevator control logic.\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\"\u003eFrame Size:\u003c\/b\u003e S3 (70mm width)\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\"\u003eCurrent Rating (AC-3):\u003c\/b\u003e \u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"23\"\u003e95A\u003c\/b\u003e (High-capacity for heavy hoist loads)\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\"\u003ePower Rating:\u003c\/b\u003e Approx. \u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"22\"\u003e45 kW\u003c\/b\u003e at 400V \/ \u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"38\"\u003e75 HP\u003c\/b\u003e 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 \/ 110V AC (50Hz)\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 1 NO (Normally Open) + 1 NC (Normally Closed)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,5,0\"\u003e\u003cb data-path-to-node=\"3,5,0\" data-index-in-node=\"0\"\u003eTerminals:\u003c\/b\u003e Heavy-duty Screw-type (Box terminals for large-gauge feeders)\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\"\u003eAuxiliary Contact Blocks\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"6\"\u003eBecause Size S3 contactors usually control critical high-power systems, they are almost always expanded with additional auxiliary blocks for safety string feedback and \"contactor-state\" monitoring.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eFront-Mounted (Snap-on Top)\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-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003e3RH2911-1HA11:\u003c\/b\u003e 1 NO + 1 NC (Standard feedback loop)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003e\u003cb data-path-to-node=\"8,1,0\" data-index-in-node=\"0\"\u003e3RH2911-1HA22:\u003c\/b\u003e 2 NO + 2 NC (The industry standard for safety chain integration)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003e\u003cb data-path-to-node=\"8,2,0\" data-index-in-node=\"0\"\u003e3RH2911-1FA40:\u003c\/b\u003e 4 NO (Used for multi-signal controller logic)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,0\"\u003e\u003cb data-path-to-node=\"8,3,0\" data-index-in-node=\"0\"\u003e3RH2911-1FB22:\u003c\/b\u003e 2 NO + 2 NC (Late-break\/Early-make for timing-critical circuits)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eSide-Mounted (Lateral Snap)\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-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003e3RH2921-1DA11:\u003c\/b\u003e 1 NO + 1 NC (Used when cabinet depth is an issue)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003e3RH2921-1DA20:\u003c\/b\u003e 2 NO (Auxiliary signaling)\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-path-to-node=\"12\" data-index-in-node=\"0\"\u003eThermal Overload Relays\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"13\"\u003eThese relays provide essential motor protection against single-phasing or over-current and plug directly into the load side of the S3 contactor.\u003c\/p\u003e\n\u003cp data-path-to-node=\"14\"\u003e\u003cb data-path-to-node=\"14\" data-index-in-node=\"0\"\u003eStandard 3RU Bimetallic Relays\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-path-to-node=\"15,0,0\" data-index-in-node=\"0\"\u003e3RU2146-4MB0:\u003c\/b\u003e 80.0A to 93.0A (Typical match for the 95A contactor)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,1,0\"\u003e\u003cb data-path-to-node=\"15,1,0\" data-index-in-node=\"0\"\u003e3RU2146-4LB0:\u003c\/b\u003e 70.0A to 80.0A (For slightly smaller motors)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,2,0\"\u003e\u003cb data-path-to-node=\"15,2,0\" data-index-in-node=\"0\"\u003e3RU2146-4JB0:\u003c\/b\u003e 45.0A to 63.0A (Often used in dual-contactor hydraulic starters)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"16\"\u003e\u003cb data-path-to-node=\"16\" data-index-in-node=\"0\"\u003eElectronic Overloads (3RB Series - Preferred for High HP)\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-path-to-node=\"17,0,0\" data-index-in-node=\"0\"\u003e3RB3046-1UB0:\u003c\/b\u003e 32.0A to 115.0A (Provides high-precision solid-state protection)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,1,0\"\u003e\u003cb data-path-to-node=\"17,1,0\" data-index-in-node=\"0\"\u003e3RB3046-1XW0:\u003c\/b\u003e 20.0A to 80.0A (Wide-range precision 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-path-to-node=\"19\" data-index-in-node=\"0\"\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-path-to-node=\"20,0,0\" data-index-in-node=\"0\"\u003eSurge Suppressors:\u003c\/b\u003e Mandatory in elevator cabinets to prevent EMF spikes from the heavy S3 coil from resetting 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-path-to-node=\"20,0,1,0,0\" data-index-in-node=\"0\"\u003e3RT2936-1CB00:\u003c\/b\u003e RC Element (Best for 120V 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-path-to-node=\"20,0,1,1,0\" data-index-in-node=\"0\"\u003e3RT2936-1BB00:\u003c\/b\u003e Varistor (Voltage spike clamping)\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-path-to-node=\"20,1,0\" data-index-in-node=\"0\"\u003eMechanical Interlocks:\u003c\/b\u003e Essential for Up\/Down or Star-Delta pairs.\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-path-to-node=\"20,1,1,0,0\" data-index-in-node=\"0\"\u003e3RA2942-2H:\u003c\/b\u003e Mechanical interlock only.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"20,1,1,1,0\"\u003e\u003cb data-path-to-node=\"20,1,1,1,0\" data-index-in-node=\"0\"\u003e3RA2943-2AA1:\u003c\/b\u003e Reversing wiring kit (includes interlock and heavy-duty busbars).\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-path-to-node=\"20,2,0\" data-index-in-node=\"0\"\u003eSafety \u0026amp; Compliance:\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-path-to-node=\"20,2,1,0,0\" data-index-in-node=\"0\"\u003e3RT2916-4MA10:\u003c\/b\u003e Sealable transparent cover. This prevents unauthorized manual operation, ensuring a technician cannot manually depress the armature—a high-risk action with 95A loads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"20,2,1,1,0\"\u003e\u003cb data-path-to-node=\"20,2,1,1,0\" data-index-in-node=\"0\"\u003e3RT2946-4EA2:\u003c\/b\u003e Terminal covers (Mandatory to prevent accidental contact with high-voltage power leads).\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-path-to-node=\"22\" data-index-in-node=\"0\"\u003eField Maintenance \u0026amp; Canadian Code Notes\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-path-to-node=\"23,0,0\" data-index-in-node=\"0\"\u003eCoil Replacement:\u003c\/b\u003e If the coil fails, you do not need to replace the entire 95A body. The replacement 120V coil for the S3 frame is \u003cb data-path-to-node=\"23,0,0\" data-index-in-node=\"131\"\u003e3RT2946-5AK61\u003c\/b\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"23,1,0\"\u003e\u003cb data-path-to-node=\"23,1,0\" data-index-in-node=\"0\"\u003eTorque Warning:\u003c\/b\u003e Per Canadian electrical safety standards, box terminals on an S3 frame require significant torque (\u003cb data-path-to-node=\"23,1,0\" data-index-in-node=\"115\"\u003e4.5 Nm to 6.0 Nm\u003c\/b\u003e). Loose connections at 95A will lead to rapid terminal meltdown and potential fire within the controller.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"23,2,0\"\u003e\u003cb data-path-to-node=\"23,2,0\" data-index-in-node=\"0\"\u003eArc Chute Maintenance:\u003c\/b\u003e The S3 frame handles significant arcing. Inspect the arc chutes for \"silver-spatter\" or carbon tracking. If the contactor \"clunks\" but the motor hums, one of the three main poles has likely welded or pitted severely.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKeywords: 3FT48\u003c\/p\u003e","brand":"R.A.M. Parts","offers":[{"title":"Default Title","offer_id":47742805606552,"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_a9a3a849-c507-4ea5-8c98-655c1178e1c4.jpg?v=1772134267","url":"https:\/\/parts4rem.ca\/products\/siemens-3rt2046-1ak60","provider":"Parts4REM","version":"1.0","type":"link"}