{"product_id":"siemens-3rw4055-6bb44-starter","title":"SIEMENS 3RW4055-6BB44 SIRIUS Soft Starter 134A 75kW 200-460VAC","description":"\u003cstyle\u003e.nxs-industrial-product-page{--industrial-navy:#082f49;--industrial-blue:#0b4f7c;--industrial-blue-2:#0f6ea8;--industrial-blue-3:#1784c1;--industrial-cyan:#38bdf8;--steel-blue:#dcebf5;--steel-blue-2:#edf6fb;--steel-line:#c9dce9;--surface:#ffffff;--surface-soft:#f7fbfe;--text-main:#173042;--text-muted:#5e7382;--shadow-soft:0 10px 30px rgba(8,47,73,0.08);--shadow-hover:0 16px 36px rgba(8,79,124,0.15);--radius-lg:14px;--radius-md:10px;}.nxs-industrial-product-page,.nxs-industrial-product-page *{margin:0;padding:0;box-sizing:border-box;font-family:Arial,Helvetica,sans-serif;}.nxs-industrial-product-page{background-color:#f3f8fb;background-image:linear-gradient(180deg,#eef6fb 0,#f7fafc 320px,#eef3f7 100%),linear-gradient(rgba(15,110,168,0.025) 1px,transparent 1px),linear-gradient(90deg,rgba(15,110,168,0.025) 1px,transparent 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*,.nxs-industrial-product-page *::before,.nxs-industrial-product-page *::after{transition:none !important;}}\u003c\/style\u003e\n\u003cdiv class=\"nxs-industrial-product-page\"\u003e\n\u003cdiv class=\"container\"\u003e\u003cmain\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSIEMENS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003e3RW4055-6BB44\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Category\u003c\/td\u003e\n\u003ctd\u003eSoft Starter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Family\u003c\/td\u003e\n\u003ctd\u003eSIRIUS 3RW40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003eS6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Operational Current\u003c\/td\u003e\n\u003ctd\u003e134 A at 40 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Power at 400 V\u003c\/td\u003e\n\u003ctd\u003e75 kW at 40 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Power at 230 V\u003c\/td\u003e\n\u003ctd\u003e37 kW at 40 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e200-460 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Supply Voltage\u003c\/td\u003e\n\u003ctd\u003e230 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Frequency\u003c\/td\u003e\n\u003ctd\u003e50-60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Insulation Voltage\u003c\/td\u003e\n\u003ctd\u003e600 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Type\u003c\/td\u003e\n\u003ctd\u003eScrew Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cdiv class=\"features\"\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003e134 A Rated Current\u003c\/h3\u003e\n\u003cp\u003eThe 3RW4055-6BB44 is rated for an operational current of 134 A at an ambient temperature of 40 °C.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003e75 kW at 400 V\u003c\/h3\u003e\n\u003cp\u003eThe soft starter is specified for three-phase motor applications up to 75 kW at 400 V under the documented 40 °C operating conditions.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003e200-460 VAC Operation\u003c\/h3\u003e\n\u003cp\u003eThe SIRIUS 3RW40 power electronics are designed for a rated standard-circuit operating voltage range of 200 to 460 VAC.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003eIntegrated Bypass\u003c\/h3\u003e\n\u003cp\u003eAn integrated bypass contact system is provided as part of the soft starter design.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003eMotor Overload Protection\u003c\/h3\u003e\n\u003cp\u003eThe 3RW4055-6BB44 includes motor overload protection together with intrinsic device protection for suitable motor starting applications.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003eAdjustable Current Limitation\u003c\/h3\u003e\n\u003cp\u003eAdjustable current limitation is supported for configuring the motor starting process according to the applicable system requirements.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThree-phase motor starting systems\u003c\/li\u003e\n\u003cli\u003eIndustrial pumps\u003c\/li\u003e\n\u003cli\u003eIndustrial fans and ventilation equipment\u003c\/li\u003e\n\u003cli\u003eConveyor systems\u003c\/li\u003e\n\u003cli\u003eMachine drive systems\u003c\/li\u003e\n\u003cli\u003eIndustrial process equipment\u003c\/li\u003e\n\u003cli\u003eMotor control cabinets\u003c\/li\u003e\n\u003cli\u003eFactory automation systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003ePurchase Information\u003c\/h2\u003e\n\u003cp\u003eWe support online purchase of the SIEMENS 3RW4055-6BB44 Soft Starter. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is SIEMENS 3RW4055-6BB44?\u003c\/strong\u003e\u003cbr\u003eIt is a SIRIUS 3RW40 soft starter in size S6 for controlling the starting process of suitable three-phase motors.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the rated operational current of 3RW4055-6BB44?\u003c\/strong\u003e\u003cbr\u003eThe rated operational current is 134 A at 40 °C.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat motor power does it support at 400 V?\u003c\/strong\u003e\u003cbr\u003eThe documented motor power rating is 75 kW at 400 V and 40 °C in a standard circuit.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat motor power does it support at 230 V?\u003c\/strong\u003e\u003cbr\u003eThe documented motor power rating is 37 kW at 230 V and 40 °C in a standard circuit.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the operating voltage range?\u003c\/strong\u003e\u003cbr\u003eThe rated operating voltage range in a standard circuit is 200 to 460 VAC.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat control supply voltage does 3RW4055-6BB44 use?\u003c\/strong\u003e\u003cbr\u003eThe control supply voltage is 230 VAC.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eDoes 3RW4055-6BB44 have an integrated bypass?\u003c\/strong\u003e\u003cbr\u003eYes. An integrated bypass contact system is included.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the soft starter provide motor overload protection?\u003c\/strong\u003e\u003cbr\u003eYes. Motor overload protection and intrinsic device protection are documented functions of this model.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it support adjustable current limitation?\u003c\/strong\u003e\u003cbr\u003eYes. Adjustable current limitation is supported.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of terminals does 3RW4055-6BB44 use?\u003c\/strong\u003e\u003cbr\u003eThe documented configuration uses screw terminals.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eCan 3RW4055-6BB44 be considered for an existing motor system?\u003c\/strong\u003e\u003cbr\u003eIt can be considered after the exact article number, motor voltage, rated current, motor power, starting requirements, control supply voltage and protection coordination have been checked.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should be checked before ordering?\u003c\/strong\u003e\u003cbr\u003eCheck the complete 3RW4055-6BB44 article number together with the motor rating, 200-460 VAC operating voltage, 230 VAC control supply, 134 A current requirement, connection method and application configuration before ordering.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c\/main\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SIEMENS","offers":[{"title":"Default Title","offer_id":46550233481295,"sku":"GJL-SIEMENS-3RW4055-6BB44","price":889.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7569\/2623\/files\/3RW4055-6BB44.jpg?v=1787984986","url":"https:\/\/yunshuotrade.com\/products\/siemens-3rw4055-6bb44-starter","provider":"yunshuotrade","version":"1.0","type":"link"}