{"product_id":"siemens-sirius-soft-starter-200kw-motor-control-3rw4443-6bc44","title":"Siemens SIRIUS Soft Starter 200kW Motor Control 3RW4443-6BC44","description":"\u003ch2\u003eSiemens 3RW4443-6BC44 SIRIUS Soft Starter: Powerful Motor Control Solution\u003c\/h2\u003e\n\u003cp\u003eThe Siemens \u003cstrong\u003e3RW4443-6BC44\u003c\/strong\u003e SIRIUS soft starter provides excellent motor control and protection. This advanced device manages three-phase motor startup and shutdown smoothly. It significantly reduces mechanical stress on your equipment. The integrated bypass system improves energy efficiency during operation.\u003c\/p\u003e\n\u003ch3\u003eProduct Identification \u0026amp; Basic Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eManufacturer Brand:\u003c\/span\u003e Siemens\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eProduct Series:\u003c\/span\u003e SIRIUS Soft Starter\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eModel Number:\u003c\/span\u003e \u003cstrong\u003e3RW4443-6BC44\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eVoltage Range:\u003c\/span\u003e 200-460 V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eRated Current:\u003c\/span\u003e 203 A at 40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eMotor Power Capacity:\u003c\/span\u003e Up to 200 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eControl Voltage:\u003c\/span\u003e 230 V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eInsulation Rating:\u003c\/span\u003e 690 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eFrequency Range:\u003c\/span\u003e 50-60 Hz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features \u0026amp; Protection Functions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated bypass contactor for efficient running operation\u003c\/li\u003e\n\u003cli\u003eComplete motor overload and thermal protection system\u003c\/li\u003e\n\u003cli\u003eAdjustable current limiting for customized start profiles\u003c\/li\u003e\n\u003cli\u003eSupports both standard and inside-delta configurations\u003c\/li\u003e\n\u003cli\u003eMotor brake output for controlled stopping\u003c\/li\u003e\n\u003cli\u003eExternal reset capability for remote operation\u003c\/li\u003e\n\u003cli\u003eThermistor motor protection evaluation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePerformance Data \u0026amp; Power Ratings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eStandard Circuit Power:\u003c\/span\u003e 110 kW at 400V\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eInside-Delta Circuit Power:\u003c\/span\u003e 200 kW at 400V\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eCurrent Ratings at Different Temperatures:\u003c\/span\u003e 180A at 50°C, 156A at 60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eInside-Delta Current:\u003c\/span\u003e 352A at 40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eMinimum Load:\u003c\/span\u003e 8% of full load current\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003ePower Consumption:\u003c\/span\u003e 89W typical at rated current\u003c\/li\u003e\n\u003cli\u003eContinuous operation at 115% of rated current\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePhysical Specifications \u0026amp; Mounting\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eUnit Dimensions:\u003c\/span\u003e 210mm W × 230mm H × 298mm D\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eMounting Method:\u003c\/span\u003e Screw fixation\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eMounting Flexibility:\u003c\/span\u003e ±90° rotation and ±22.5° tilt\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eClearance Requirements:\u003c\/span\u003e 100mm above, 5mm sides, 75mm below\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eMaximum Cable Length:\u003c\/span\u003e 500 meters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Connections \u0026amp; Terminals\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eMain Circuit Connection:\u003c\/span\u003e Busbar or screw terminals\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eControl Circuit:\u003c\/span\u003e Screw terminal connections\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eMain Conductor Size:\u003c\/span\u003e 70-240 mm² (front), 120-185 mm² (back)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eAuxiliary Contacts:\u003c\/span\u003e 3 NO contacts and 1 changeover contact\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eAuxiliary Wire Size:\u003c\/span\u003e 0.5-2.5 mm² solid or stranded\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEnvironmental Specifications \u0026amp; Durability\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eOperating Temperature:\u003c\/span\u003e Up to 60°C maximum\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eStorage Temperature:\u003c\/span\u003e -25°C to +80°C range\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eDerating Starts:\u003c\/span\u003e Above 40°C ambient temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eMaximum Altitude:\u003c\/span\u003e 5000 meters above sea level\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eEnclosure Protection:\u003c\/span\u003e IP00 (requires external enclosure)\u003c\/li\u003e\n\u003cli\u003eSuitable for polluted environments degree 3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping \u0026amp; Packaging Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEach unit comes in individual protective packaging\u003c\/li\u003e\n\u003cli\u003eIncludes the complete \u003cstrong\u003e3RW4443-6BC44\u003c\/strong\u003e soft starter unit\u003c\/li\u003e\n\u003cli\u003eInternational shipping via FedEx, UPS, and DHL available\u003c\/li\u003e\n\u003cli\u003eSecure packaging ensures safe delivery worldwide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eWhat makes the inside-delta connection special?\u003c\/span\u003e It doubles the motor power handling capability of the starter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eDoes this soft starter protect against motor overload?\u003c\/span\u003e Yes, it includes comprehensive motor overload protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eCan I mount this unit in different orientations?\u003c\/span\u003e Yes, it offers flexible mounting with rotation and tilt options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e75b6;\"\u003eWhat is the integrated bypass feature?\u003c\/span\u003e It reduces heat and saves energy after motor startup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e© 2025 Ubest Automation Limited. All rights reserved.\u003cbr\u003eOriginal Source: \u003ca href=\"https:\/\/www.ubestplc.com\/\"\u003ehttps:\/\/www.ubestplc.com\/\u003c\/a\u003e\u003cbr\u003eContact: \u003ca href=\"mailto:sales@ubestplc.com\"\u003esales@ubestplc.com\u003c\/a\u003e Phone: \u003ca href=\"https:\/\/wa.me\/8618030005825\"\u003e+86 180 3000 5825\u003c\/a\u003e\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":51302015729946,"sku":"3RW4443-6BC44","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/3RW4443-6BC44_3.jpg?v=1762829305","url":"https:\/\/www.ubestplc.com\/ru\/products\/siemens-sirius-soft-starter-200kw-motor-control-3rw4443-6bc44","provider":"Ubest Automation Limited","version":"1.0","type":"link"}