{"product_id":"3rw4456-6bc44-siemens-soft-starter-450kw-motor-control","title":"3RW4456-6BC44 Siemens Soft Starter | 450kW Motor Control","description":"\u003ch2\u003eSiemens 3RW4456-6BC44 Soft Starter: Smooth Motor Control for Heavy-Duty Applications\u003c\/h2\u003e\n\u003cp\u003eProtect your motors and reduce mechanical stress with this powerful \u003cstrong style=\"color: #2e86ab;\"\u003esoft starter\u003c\/strong\u003e. The Siemens 3RW4456-6BC44 handles up to 780A at 400V, featuring integrated bypass and comprehensive motor protection. Ideal for controlling large pumps, fans, and industrial machinery.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #2e86ab;\"\u003eHigh Capacity\u003c\/strong\u003e: Controls motors up to 450kW (800kW in inside-delta)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #2e86ab;\"\u003eBuilt-in Protection\u003c\/strong\u003e: Motor overload and thermal protection included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #2e86ab;\"\u003eEnergy Efficient\u003c\/strong\u003e: Integrated bypass reduces power loss after start\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #2e86ab;\"\u003eFlexible Configuration\u003c\/strong\u003e: Works in standard and inside-delta circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #2e86ab;\"\u003eEasy Monitoring\u003c\/strong\u003e: Clear display shows operational status and faults\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #a23b72;\"\u003eProduct Code\u003c\/strong\u003e: 3RW4456-6BC44\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #a23b72;\"\u003eRated Current\u003c\/strong\u003e: 780A at 40°C (400V standard)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #a23b72;\"\u003eMotor Power\u003c\/strong\u003e: 450kW standard, 800kW inside-delta\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #a23b72;\"\u003eVoltage Range\u003c\/strong\u003e: 200-460V AC, 50\/60Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #a23b72;\"\u003eControl Voltage\u003c\/strong\u003e: 230V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #a23b72;\"\u003ePower Loss\u003c\/strong\u003e: 214W typical at full load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #a23b72;\"\u003eDimensions\u003c\/strong\u003e: 510mm x 640mm x 290mm (WxHxD)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #a23b72;\"\u003eConnection\u003c\/strong\u003e: Busbar main, screw auxiliary terminals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #a23b72;\"\u003eCable Size\u003c\/strong\u003e: 70-240mm² for main circuit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #a23b72;\"\u003eAmbient Temp\u003c\/strong\u003e: Up to 60°C operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the advantage of using a soft starter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis 3RW4456-6BC44 reduces starting current and mechanical stress, extending motor life and preventing network disturbances.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it handle different motor connection types?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, it supports both standard star\/delta and inside-delta configurations for maximum application flexibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat protection features are included?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt provides motor overload protection, thermal monitoring, and phase failure detection for complete motor safety.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs external cooling required?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, the unit is designed for natural convection cooling up to 60°C ambient temperature without additional fans.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the successor model for this unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe recommended upgrade is the Siemens 3RW5554-6HA14, which offers enhanced features and performance.\u003c\/p\u003e\n\u003ch3\u003eShipping \u0026amp; Warranty\u003c\/h3\u003e\n\u003cp\u003eWe ship worldwide via FedEx, UPS, and DHL. Your purchase includes \u003cstrong style=\"color: #2e86ab;\"\u003e12-month operational warranty\u003c\/strong\u003e ensuring reliable motor control performance.\u003c\/p\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":51298912665882,"sku":"3RW4456-6BC44","price":189.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/3RW4456-6BC44_3.jpg?v=1762753445","url":"https:\/\/www.ubestplc.com\/hu\/products\/3rw4456-6bc44-siemens-soft-starter-450kw-motor-control","provider":"Ubest Automation Limited","version":"1.0","type":"link"}