{"product_id":"3rw4076-6bb44-sirius-soft-starter-siemens","title":"3RW4076-6BB44 SIRIUS Soft Starter Siemens","description":"\u003ch2\u003e\u003cstrong\u003eSIRIUS 3RW4076-6BB44 Soft Starter – Technical Overview \u0026amp; Successor Model\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \u0026amp; Model:\u003c\/strong\u003e Siemens SIRIUS \u003cstrong\u003e3RW4076-6BB44\u003c\/strong\u003e – soft starter S12 size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated operational current:\u003c\/strong\u003e 432 A at 40 °C, 385 A at 50 °C, and 335 A at 60 °C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical power output:\u003c\/strong\u003e 250 kW at 400 V (standard circuit, 40 °C) and 132 kW at 230 V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating voltage range:\u003c\/strong\u003e 200 ... 460 V AC with -15% \/ +10% tolerance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl supply voltage:\u003c\/strong\u003e 230 V AC at 50\/60 Hz (-15% \/ +10% tolerance).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor overload protection:\u003c\/strong\u003e Adjustable from 207 A up to 432 A, plus intrinsic device protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable current limitation:\u003c\/strong\u003e Yes, allows precise starting current control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated bypass system:\u003c\/strong\u003e Reduces power loss to only 165 W during operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuxiliary contacts:\u003c\/strong\u003e 2 NO + 1 CO (change-over), screw-type terminals for control circuit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDegree of pollution:\u003c\/strong\u003e 3 according to IEC 60947-4-2, insulation voltage rated 600 V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient temperature range:\u003c\/strong\u003e -25 °C to +60 °C (operation), derating starts at 40 °C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection class:\u003c\/strong\u003e IP00, suitable for installation in control cabinets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation altitude:\u003c\/strong\u003e Up to 5000 m above sea level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental category (operation):\u003c\/strong\u003e 3K6 (no ice\/condensation), 3C3 (no salt mist), 3S2 (limited sand), 3M6.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the direct successor for this soft starter?\u003c\/strong\u003e\u003cbr\u003eA: Siemens recommends the SIRIUS \u003cstrong\u003e3RW5076-6AB14\u003c\/strong\u003e as the preferred successor type with similar electrical ratings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the minimum motor current for overload protection?\u003c\/strong\u003e\u003cbr\u003eA: The adjustable motor current range starts from 207 A up to 432 A – suitable for large motors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does this device support inside-delta (six-wire) connection?\u003c\/strong\u003e\u003cbr\u003eA: No, the \u003cstrong\u003e3RW4076-6BB44\u003c\/strong\u003e does not support inside-delta circuit. Use standard three-wire connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the typical power loss during continuous operation?\u003c\/strong\u003e\u003cbr\u003eA: At 432 A and 40 °C, the typical power loss equals 165 W due to the integrated bypass system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I use this soft starter at high altitudes?\u003c\/strong\u003e\u003cbr\u003eA: Yes, rated up to 5000 m above sea level. Derating may apply above 1000 m – check Siemens guidelines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What shipping methods do you provide?\u003c\/strong\u003e\u003cbr\u003eA: We ship via FedEx, UPS, or DHL. Delivery within 5 business days after order processing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is your return policy?\u003c\/strong\u003e\u003cbr\u003eA: We support 30 days return from the delivery date for unused items in original packaging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Do you have the successor model \u003cstrong\u003e3RW5076-6AB14\u003c\/strong\u003e in stock?\u003c\/strong\u003e\u003cbr\u003eA: Yes, we also keep the new SIRIUS \u003cstrong\u003e3RW5076-6AB14\u003c\/strong\u003e and other 3RW5 series soft starters in our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003eContact Information Inquiries:\u003c\/strong\u003e \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e , \u003ca href=\"https:\/\/wa.me\/8615392429628\"\u003e+86 153 9242 9628\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePartner NexAuto Technology Limited:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.nex-auto.com\/\"\u003ehttps:\/\/www.nex-auto.com\/\u003c\/a\u003e\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46443445092513,"sku":"3RW4076-6BB44","price":259.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/3RW4076-6BB44.jpg?v=1779094459","url":"https:\/\/www.autonexcontrol.com\/tr\/products\/3rw4076-6bb44-sirius-soft-starter-siemens","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}