{"product_id":"siemens-power-contactor-3-pole-2no-2nc-185a-90kw-400vac","title":"Siemens Power contactor, 3-pole, 2NO+2NC, 185A, 90kW, 400VAC","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 3RT1056-6AF36 is a SIRIUS 3RT1 power contactor designed for heavy-duty switching and control of three-phase motors and industrial electrical loads. This size S6, 3-pole contactor is rated for AC-3e \/ AC-3 motor duty up to 185 A and supports motor outputs up to 90 kW at 400 V AC. It features an AC\/DC control coil rated at 110–127 V and includes integrated auxiliary contacts for control and signalling purposes. Built for high reliability and long service life, the 3RT1056-6AF36 is suitable for demanding industrial motor control and automation applications.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSIRIUS 3RT1 heavy-duty power contactor\u003c\/li\u003e\n\u003cli\u003e3-pole main circuit with normally open (NO) main contacts\u003c\/li\u003e\n\u003cli\u003eRated for AC-3e \/ AC-3 motor switching duty\u003c\/li\u003e\n\u003cli\u003eOperational current up to 185 A at 400 V AC\u003c\/li\u003e\n\u003cli\u003eMotor power rating up to 90 kW at 400 V AC\u003c\/li\u003e\n\u003cli\u003eAC\/DC control coil rated at 110–127 V (50\/60 Hz AC and DC)\u003c\/li\u003e\n\u003cli\u003eIntegrated auxiliary contacts: 2 NO + 2 NC (instantaneous)\u003c\/li\u003e\n\u003cli\u003eMain circuit busbar connection for high-current applications\u003c\/li\u003e\n\u003cli\u003eScrew terminals for control and auxiliary circuits\u003c\/li\u003e\n\u003cli\u003eSize S6 frame for industrial panel installations\u003c\/li\u003e\n\u003cli\u003eHigh mechanical endurance for frequent switching operations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticle Number:\u003c\/strong\u003e 3RT1056-6AF36\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Family:\u003c\/strong\u003e SIRIUS 3RT1 Power Contactors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContactor Size:\u003c\/strong\u003e S6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain Contacts:\u003c\/strong\u003e 3 NO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Operational Voltage:\u003c\/strong\u003e up to 1000 V AC\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRated Operational Current:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC-3 \/ AC-3e:\u003c\/strong\u003e 185 A at 400 V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC-1:\u003c\/strong\u003e 215 A at 40 °C (up to 690 V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC-4:\u003c\/strong\u003e 160 A at 400 V AC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\u003cstrong\u003eMotor Power Rating (AC-3 \/ AC-3e):\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e55 kW at 230 V AC\u003c\/li\u003e\n\u003cli\u003e90 kW at 400 V AC\u003c\/li\u003e\n\u003cli\u003e132 kW at 500 V AC\u003c\/li\u003e\n\u003cli\u003e160 kW at 690 V AC\u003c\/li\u003e\n\u003cli\u003e90 kW at 1000 V AC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Supply \/ Coil:\u003c\/strong\u003e AC\/DC\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eRated coil voltage: 110–127 V AC (50\/60 Hz) \/ DC\u003c\/li\u003e\n\u003cli\u003eOperational voltage range: approx. 0.8 to 1.1 × rated voltage\u003c\/li\u003e\n\u003cli\u003eIntegrated surge suppression: Varistor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuxiliary Contacts:\u003c\/strong\u003e 2 NO + 2 NC (instantaneous)\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUtilization Category:\u003c\/strong\u003e AC-15: 6 A at 230 V, 3 A at 400 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUtilization Category:\u003c\/strong\u003e DC-13: 2.5 A at 24 V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\u003cstrong\u003eConnection Type:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eMain circuit: Busbar connection\u003c\/li\u003e\n\u003cli\u003eControl and auxiliary circuits: Screw terminals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\u003cstrong\u003eRated Insulation Voltage:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eMain circuit: 1000 V\u003c\/li\u003e\n\u003cli\u003eAuxiliary circuit: 500 V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\u003cstrong\u003eSurge Withstand Voltage:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eMain circuit: 8 kV\u003c\/li\u003e\n\u003cli\u003eAuxiliary circuit: 6 kV\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Loss:\u003c\/strong\u003e approx. 39 W at rated current (hot state)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Endurance:\u003c\/strong\u003e approx. 10,000,000 operating cycles\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEnvironmental Conditions:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eOperating temperature: –25 °C to +60 °C\u003c\/li\u003e\n\u003cli\u003eStorage temperature: –55 °C to +80 °C\u003c\/li\u003e\n\u003cli\u003eInstallation altitude: up to 2000 m above sea level\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDegree of Protection:\u003c\/strong\u003e IP00 (front); IP20 with cover\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Weight:\u003c\/strong\u003e approx. 3.36 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompliance \u0026amp; Standards\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned in accordance with IEC and EN 60947-4-1 standards for contactors and motor starters\u003c\/li\u003e\n\u003cli\u003eComplies with Siemens requirements for low-voltage industrial switching devices\u003c\/li\u003e\n\u003cli\u003eSuitable for integration into low-voltage switchgear and control gear assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 3RT1056-6AF36 power contactor is used for switching and controlling high-power three-phase motors and industrial loads such as pumps, compressors, conveyors, fans, HVAC equipment, and process machinery. It is commonly installed in motor control centers (MCCs), automation panels, and industrial power distribution systems where high current capacity, long service life, and reliable auxiliary signalling are required.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775031128128,"sku":"3RT1056-6AF36","price":12126.98,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/G_IC03_XX_22475I_278856ef-bb4d-4fcf-81c1-35d726f5adbf.jpg?v=1765454022","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-power-contactor-3-pole-2no-2nc-185a-90kw-400vac","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}