{"product_id":"3rw4427-1bc44-siemens-soft-starter-161a-inside-delta-90kw","title":"3RW4427-1BC44 Siemens Soft Starter 161A Inside-Delta 90kW","description":"\u003ch2\u003e\u003cstrong\u003eSIRIUS 3RW4427-1BC44 Soft Starter – High-Power Motor Control\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard circuit performance (40 °C):\u003c\/strong\u003e 93 A – suitable for 45 kW motors at 400 V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside-delta circuit performance (40 °C):\u003c\/strong\u003e 161 A, enabling 90 kW output at 400 V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating voltage range:\u003c\/strong\u003e 200 … 460 V AC with ±15% negative and +10% positive tolerance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl supply voltage:\u003c\/strong\u003e 230 V AC at 50\/60 Hz, tolerance –15% \/ +10%.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable motor protection current:\u003c\/strong\u003e 18 A minimum, with continuous duty rating of 115% of I\u003csub\u003ee\u003c\/sub\u003e at 40 °C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower loss at rated current:\u003c\/strong\u003e only 55 W typical, ensuring energy-efficient operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eMechanical Design and Installation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (W x H x D):\u003c\/strong\u003e 170 mm x 192 mm x 270 mm – compact for panel mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting position:\u003c\/strong\u003e vertical ±90° rotation, tilt ±22.5° forward\/backward for flexible installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRequired clearances:\u003c\/strong\u003e 100 mm upward, 75 mm downward, 5 mm sideward to adjacent devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum cable length:\u003c\/strong\u003e 500 m – suitable for distributed motor installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAltitude rating:\u003c\/strong\u003e up to 5,000 m above sea level without derating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection class:\u003c\/strong\u003e IP00 (open type) for use in control cabinets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eElectrical Connections and Terminals\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain circuit terminals:\u003c\/strong\u003e box-type screw terminals, accepting solid (2.5–16 mm²) or stranded (up to 70 mm²) conductors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuxiliary contacts:\u003c\/strong\u003e 3 NO + 1 changeover, screw-type terminals for 2x (0.5–2.5 mm²) solid or 2x (0.5–1.5 mm²) fine-stranded wires.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAWG compatibility:\u003c\/strong\u003e main terminals accept 10 … 2\/0 AWG, auxiliary terminals accept 20 … 14 AWG.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated features:\u003c\/strong\u003e thyristor control, bypass contactor, and motor brake output for complete application coverage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEnvironmental and Operational Conditions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient operating temperature:\u003c\/strong\u003e up to 60 °C – derate current above 40 °C as per datasheet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage temperature:\u003c\/strong\u003e –25 °C to +80 °C for rugged durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency tolerance:\u003c\/strong\u003e 50\/60 Hz nominal with ±10% variation allowed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum load:\u003c\/strong\u003e 8% of motor rated current for stable operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental categories:\u003c\/strong\u003e meets IEC 60721 3K6, 3C3, 3S2, 3M6 for transport, storage, and operation.\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\u003eIs the 3RW4427-1BC44 brand new?\u003c\/strong\u003e Yes, we supply only brand-new, original Siemens SIRIUS units with full factory specs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo you have this model in stock?\u003c\/strong\u003e Yes, we maintain stock for the \u003cstrong\u003e3RW4427-1BC44\u003c\/strong\u003e – ready for fast shipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the delivery lead time?\u003c\/strong\u003e We dispatch within 5 working days after order confirmation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhich shipping carriers do you use?\u003c\/strong\u003e We ship via DHL, FedEx, or UPS – reliable global logistics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan I return the product if it doesn't fit my application?\u003c\/strong\u003e We support 30-day returns for unused items in original packaging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes this starter support external reset?\u003c\/strong\u003e Yes, the \u003cstrong\u003e3RW4427-1BC44\u003c\/strong\u003e provides external reset function for remote troubleshooting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the maximum conductor size for main terminals?\u003c\/strong\u003e It accepts up to 70 mm² stranded or 2\/0 AWG for high-current connections.\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":46953248555169,"sku":"3RW4427-1BC44","price":253.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/3RW4427-1BC44.jpg?v=1788246915","url":"https:\/\/www.autonexcontrol.com\/products\/3rw4427-1bc44-siemens-soft-starter-161a-inside-delta-90kw","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}