{"product_id":"3rt1044-1bb40-siemens-contactor-ac-3-30-kw400-v","title":"3RT1044-1BB40 | Siemens Contactor AC-3 30 kW\/400 V","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003eThe Siemens 3RT1044-1BB40 is a heavy-duty 3-pole power contactor designed for AC-3 applications. Rated at 30 kW (400 V) and 65 A, it operates with a 24 VDC coil and features screw terminals for secure and reliable wiring in industrial motor control systems.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"height: 349.438px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 26%; text-align: left; height: 19.5938px;\"\u003eCondition\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 73.6364%; height: 19.5938px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 26%; text-align: left; height: 19.5938px;\"\u003eBrand\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 73.6364%; height: 19.5938px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003eSiemens\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 26%; text-align: left; height: 19.5938px;\"\u003eCategory\u003c\/th\u003e\n\u003ctd style=\"width: 73.6364%; height: 19.5938px;\"\u003e\n\u003cdiv class=\"mt-1 md:mt-0 column-left basis-2\/4 divide-y divide-rad-gray-10 border-b-[0.0625rem] border-rad-gray-10 md:border-0\"\u003e\n\u003cdiv class=\"flex gap-[1.75rem] md:gap-x-0 xl:gap-x-[1.875rem]\"\u003e\n\u003cdiv class=\"text-body-4 w-full font-light py-5 pl-4 md:py-6 md:pl-6 text-rad-gray-70\"\u003e\n\u003cdiv class=\"max-w-[8rem] break-words\"\u003e\u003cspan\u003eContactors \u0026amp; Starters\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 26%; text-align: left; height: 19.5938px;\"\u003ePart Number\u003c\/th\u003e\n\u003ctd style=\"width: 73.6364%; height: 19.5938px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003e3RT1044-1BB40\u003cbr\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 26%; text-align: left; height: 19.5938px;\"\u003e\u003cspan\u003eSubcategory\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 73.6364%; height: 19.5938px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cspan\u003eContactor\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 27.1875px;\"\u003e\n\u003cth style=\"width: 26%; text-align: left; height: 27.1875px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eSeries\u003c\/th\u003e\n\u003ctd style=\"width: 73.6364%; height: 27.1875px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e\u003cspan data-sheets-root=\"1\"\u003eSIRIUS 3RT1\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003cth style=\"width: 26%; text-align: left; height: 39.1875px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eRated Motor Power (AC-3)\u003c\/th\u003e\n\u003ctd style=\"width: 73.6364%; height: 39.1875px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e30 kW at 400 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 20.5938px;\"\u003e\n\u003cth style=\"width: 26%; text-align: left; height: 20.5938px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eRated Current\u003c\/th\u003e\n\u003ctd style=\"width: 73.6364%; height: 20.5938px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e65 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 30.1875px;\"\u003e\n\u003cth style=\"width: 26%; text-align: left; height: 30.1875px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eCoil Voltage\u003c\/th\u003e\n\u003ctd style=\"width: 73.6364%; height: 30.1875px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 23.1719px;\"\u003e\n\u003cth style=\"width: 26%; text-align: left; height: 23.1719px;\"\u003ePoles\u003c\/th\u003e\n\u003ctd style=\"width: 73.6364%; height: 23.1719px;\"\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22.1719px;\"\u003e\n\u003cth style=\"width: 26%; text-align: left; height: 22.1719px;\"\u003eContactor Type\u003c\/th\u003e\n\u003ctd style=\"width: 73.6364%; height: 22.1719px;\"\u003eNon-Reversing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 30.1875px;\"\u003e\n\u003cth style=\"width: 26%; text-align: left; height: 30.1875px;\"\u003eConnection Type\u003c\/th\u003e\n\u003ctd style=\"width: 73.6364%; height: 30.1875px;\"\u003eScrew Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 26%; text-align: left; height: 19.5938px;\"\u003eSize\u003c\/th\u003e\n\u003ctd style=\"width: 73.6364%; height: 19.5938px;\"\u003eS3 Frame Size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 26%; text-align: left; height: 19.5938px;\"\u003eMounting\u003c\/th\u003e\n\u003ctd style=\"width: 73.6364%; height: 19.5938px;\"\u003ePanel Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 26%; text-align: left; height: 19.5938px;\"\u003eWeight\u003c\/th\u003e\n\u003ctd style=\"width: 73.6364%; height: 19.5938px;\"\u003e\u003cspan\u003e2,834 Kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003e3RT1044-1BB40\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe 3RT1044-1BB40 contactor from Siemens is part of the SIRIUS 3RT1 series, optimized for switching motors and high-current loads in industrial environments. This model supports AC-3 motor loads up to 30 kW at 400 V and handles continuous currents of up to 65 A. With a 24 VDC control voltage, it ensures fast and reliable operation in automation panels. The contactor features a 3-pole non-reversing configuration and uses screw terminals for stable mechanical and electrical connection. Its S3 size format allows it to fit standard enclosure spaces while maintaining robust thermal and electrical endurance. Widely used in motor starters, control panels, and power distribution assemblies, it meets international industrial standards for reliability and safety.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAC-3 Rated for 30 kW at 400 V: Supports direct-on-line motor starting and switching under full load.\u003c\/li\u003e\n\u003cli\u003e65 A Current Rating: Handles high inrush and running currents, suitable for medium-to-heavy duty motor applications.\u003c\/li\u003e\n\u003cli\u003e24 VDC Coil Voltage: Enables fast and energy-efficient coil operation with low control voltage.\u003c\/li\u003e\n\u003cli\u003e3-Pole Configuration: Standard design for balanced 3-phase motor switching.\u003c\/li\u003e\n\u003cli\u003eS3 Frame Size: Fits Siemens’ standardized panel layouts, offering compact design with high capacity.\u003c\/li\u003e\n\u003cli\u003eScrew Terminal Connection: Ensures reliable wire retention and resistance to vibration.\u003c\/li\u003e\n\u003cli\u003eNon-Reversing Design: Ideal for applications requiring straightforward motor control without directional change.\u003c\/li\u003e\n\u003cli\u003eThermal and Electrical Endurance: Engineered for long service life under frequent switching conditions.\u003c\/li\u003e\n\u003cli\u003eIndustrial Grade Build: Made for tough environments with consistent mechanical performance.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 3RT1044-1BB40 offers efficient, durable switching for motors and industrial loads, combining compact design with reliable performance and international compliance.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":49105333354752,"sku":"3RT1044-1BB40","price":630.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/shopping_71_4681746f-6739-4b48-a303-fde77e60e450.webp?v=1785545088","url":"https:\/\/alotechparts.com\/products\/3rt1044-1bb40-siemens-contactor-ac-3-30-kw400-v","provider":"Alo Tech Solutions","version":"1.0","type":"link"}