{"product_id":"3rw4458-6bc44-siemens-sirius-soft-starter-970a-560kw","title":"3RW4458-6BC44 Siemens SIRIUS Soft Starter 970A 560kW","description":"\u003ch2\u003e\u003cstrong\u003eSIRIUS 3RW4458-6BC44 Soft Starter – High-Performance Motor Control\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 \u003cstrong\u003eSIRIUS 3RW4458-6BC44\u003c\/strong\u003e (phase-out, successor \u003cstrong\u003e3RW5556-6HA14\u003c\/strong\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated operational current:\u003c\/strong\u003e 970 A at 40 °C; 850 A at 50 °C; 760 A at 60 °C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside-delta current:\u003c\/strong\u003e 1680 A (40 °C), 1472 A (50 °C), 1316 A (60 °C).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor power (400 V):\u003c\/strong\u003e 560 kW (standard) and 1000 kW (inside-delta).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating voltage:\u003c\/strong\u003e 200 – 460 V AC (standard and inside-delta).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl supply:\u003c\/strong\u003e 230 V AC, 50\/60 Hz (±10%).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulation voltage:\u003c\/strong\u003e 690 V rated, pollution degree 3 (IEC 60947-4-2).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated protection:\u003c\/strong\u003e motor overload, thermistor evaluation, adjustable current limit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eMechanical \u0026amp; Environmental Data\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (W x H x D):\u003c\/strong\u003e 510 x 640 x 290 mm; screw fixing mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient temperature:\u003c\/strong\u003e up to 60 °C operation; storage -25 … +80 °C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation altitude:\u003c\/strong\u003e 5000 m max; derating above 40 °C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection class:\u003c\/strong\u003e IP00; requires proper enclosure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower loss:\u003c\/strong\u003e only 270 W typical at rated current.\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: Is this starter suitable for 400 V 560 kW motors?\u003c\/strong\u003e\u003cbr\u003eA: Yes, at 400 V standard circuit it delivers 560 kW; inside-delta delivers 1000 kW.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I use it with a 230 V control supply?\u003c\/strong\u003e\u003cbr\u003eA: Absolutely, the control circuit accepts 230 V AC, 50\/60 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the maximum ambient temperature for full rating?\u003c\/strong\u003e\u003cbr\u003eA: Rated current is specified at 40 °C; derate above that up to 60 °C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does it include motor overload protection?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it features adjustable motor overload and thermistor protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How do I connect the bypass contact?\u003c\/strong\u003e\u003cbr\u003eA: The integrated bypass reduces heat and wear; no external wiring required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eContact Information\u003c\/strong\u003e\u003cbr\u003eFor inquiries: \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 (WhatsApp)\u003cbr\u003ePartner: \u003ca href=\"https:\/\/www.nex-auto.com\/\" target=\"_blank\"\u003eNexAuto Technology Limited\u003c\/a\u003e\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46551233331361,"sku":"3RW4458-6BC44","price":236.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/3RW4458-6BC44.jpg?v=1781688193","url":"https:\/\/www.autonexcontrol.com\/products\/3rw4458-6bc44-siemens-sirius-soft-starter-970a-560kw","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}