{"product_id":"siemens-3tc-railway-dc-contactors-2-pole","title":"Siemens 3TC Railway Contactors for DC Voltage, 2-Pole (32-400 A)","description":"\u003cp class=\"ps-intro\"\u003e3TC 2-pole contactors for switching DC voltage up to 750 V with extended operating range for railway applications, sizes 2 to 12 (32 A to 400 A), with dedicated spare parts.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003eSwitch DC loads to DC-1 and DC-3\/DC-5 up to 750 V\u003c\/li\u003e\n\u003cli\u003eRated operational current 32 A (size 2) to 400 A (size 12) DC-1\u003c\/li\u003e\n\u003cli\u003eDC solenoid with series resistor and varistor coil circuit\u003c\/li\u003e\n\u003cli\u003eAuxiliary contacts 2 NO + 1 NC (one NC used for series resistor)\u003c\/li\u003e\n\u003cli\u003eSpare arc chute and series-resistor coils for extended-range versions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4 class=\"ps-h\"\u003eSpecifications\u003c\/h4\u003e\u003ctable class=\"ps-kv\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003ctd\u003e3TC4 \/ 3TC5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePoles\u003c\/th\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRated voltage\u003c\/th\u003e\n\u003ctd\u003eup to 750 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAux. contacts\u003c\/th\u003e\n\u003ctd\u003e2 NO + 1 NC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTerminals\u003c\/th\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSource\u003c\/th\u003e\n\u003ctd\u003eSiemens Catalog IC 10 · 2026, p. 4\/69\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ctable class=\"ps-src\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e3TC4417-0LB4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eItem: Contactor 2-pole | Size: 2 | Ie at 750 V: DC-1 32 A \/ DC-3,5 7.5 A | Coil: 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3TC4417-0LF4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eItem: Contactor 2-pole | Size: 2 | Ie at 750 V: DC-1 32 A \/ DC-3,5 7.5 A | Coil: 110 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3TC4817-0LB4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eItem: Contactor 2-pole | Size: 4 | Ie at 750 V: DC-1 75 A \/ DC-3,5 75 A | Coil: 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3TC4817-0LF4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eItem: Contactor 2-pole | Size: 4 | Ie at 750 V: DC-1 75 A \/ DC-3,5 75 A | Coil: 110 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3TC5217-0LB4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eItem: Contactor 2-pole | Size: 8 | Ie at 750 V: DC-1 170 A \/ DC-3,5 170 A | Coil: 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3TC5217-0LF4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eItem: Contactor 2-pole | Size: 8 | Ie at 750 V: DC-1 170 A \/ DC-3,5 170 A | Coil: 110 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3TC5617-0LB4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eItem: Contactor 2-pole | Size: 12 | Ie at 750 V: DC-1 400 A \/ DC-3,5 400 A | Coil: 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3TC5617-0LF4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eItem: Contactor 2-pole | Size: 12 | Ie at 750 V: DC-1 400 A \/ DC-3,5 400 A | Coil: 110 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3TY2442-0B\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eItem: Spare arc chute (resistor recess) | Size: 2 (3TC4417-0L..) | Ie at 750 V: - | Coil: -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3TY6443-0LB4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eItem: Spare coil, series resistor | Size: 2 (3TC44) | Ie at 750 V: - | Coil: 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3TY6443-0LF4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eItem: Spare coil, series resistor | Size: 2 (3TC44) | Ie at 750 V: - | Coil: 110 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3TY6483-0LB4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eItem: Spare coil, series resistor | Size: 4 (3TC48) | Ie at 750 V: - | Coil: 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3TY6483-0LF4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eItem: Spare coil, series resistor | Size: 4 (3TC48) | Ie at 750 V: - | Coil: 110 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":67534395244834,"sku":"3TC4417-0LB4","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0744\/7586\/files\/siemens-3tc-railway-dc-contactors-2-pole.jpg?v=1792131801","url":"https:\/\/prosourcemro.com\/products\/siemens-3tc-railway-dc-contactors-2-pole","provider":"ProSource MRO","version":"1.0","type":"link"}