{"product_id":"siemens-3rw4073-6bb35-soft-starter-500kw-400vac-sirius-3rw40-motor-control","title":"Siemens 3RW4073-6BB35 Soft Starter 500kW 400VAC SIRIUS 3RW40 Motor Control","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"374\" data-start=\"19\"\u003eThe Siemens 3RW4073-6BB35 is a high-capacity soft starter designed for controlled motor starting and stopping in heavy industrial applications. It supports motors up to 500 kW at 400 VAC and reduces mechanical stress and electrical inrush during startup. This unit is ideal for large-scale systems requiring reliable motor protection and smooth operation.\u003c\/p\u003e\n\u003ch3 data-start=\"486\" data-end=\"509\"\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 74.7615%;\" height=\"451\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.7373%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 49.9124%;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.7373%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 49.9124%;\"\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.7373%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 49.9124%;\"\u003eDrives\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.7373%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 49.9124%;\"\u003e3RW4073-6BB35\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.7373%;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 49.9124%;\"\u003eSoft Start\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.7373%;\"\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 49.9124%;\"\u003eSIRIUS 3RW40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.7373%;\"\u003e\u003cstrong\u003eDevice Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 49.9124%;\"\u003eSoft Starter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.7373%;\"\u003e\u003cstrong\u003eRated Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 49.9124%;\"\u003e500 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.7373%;\"\u003e\u003cstrong\u003eRated Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 49.9124%;\"\u003e400 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.7373%;\"\u003e\u003cstrong\u003eRated Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 49.9124%;\"\u003e900 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.7373%;\"\u003e\u003cstrong\u003eControl Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 49.9124%;\"\u003e100–240 VAC\/DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.7373%;\"\u003e\u003cstrong\u003ePhase\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 49.9124%;\"\u003e3 Phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.7373%;\"\u003e\u003cstrong\u003eFrequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 49.9124%;\"\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.7373%;\"\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 49.9124%;\"\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.7373%;\"\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 49.9124%;\"\u003eFixed Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.7373%;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 49.9124%;\"\u003e-25°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.7373%;\"\u003e\u003cstrong\u003eSafety Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 49.9124%;\"\u003eSafe Torque Off (STO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.7373%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 49.9124%;\"\u003e19.49 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cmeta charset=\"utf-8\"\u003e \u003cspan data-sheets-root=\"1\"\u003e3RW4073-6BB35\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp data-start=\"397\" data-end=\"933\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe 3RW4073-6BB35 is part of Siemens’ SIRIUS 3RW40 series, engineered for demanding motor control applications with advanced soft starting technology. It integrates electronic overload protection and controlled ramp-up and ramp-down functions to extend equipment lifespan. The unit features a built-in bypass contactor for improved efficiency during continuous operation. Designed for three-phase systems, it is widely used in industries such as water treatment, mining, and heavy manufacturing where large motors require safe and controlled startup.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"1085\" data-end=\"1102\"\u003eKey Features:\u003cmeta charset=\"utf-8\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"868\" data-end=\"1476\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1526\" data-start=\"876\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"849\" data-end=\"1479\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"876\" data-end=\"1457\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1579\" data-start=\"918\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"864\" data-end=\"1471\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"829\" data-end=\"1430\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1373\" data-start=\"784\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"868\" data-end=\"1446\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1355\" data-start=\"808\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1356\" data-start=\"810\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"753\" data-end=\"1340\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1357\" data-start=\"844\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"878\" data-end=\"1439\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1357\" data-start=\"771\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"798\" data-end=\"1362\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1030\" data-end=\"1627\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"953\" data-end=\"1631\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1702\" data-start=\"985\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"957\" data-end=\"1667\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1636\" data-start=\"944\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"866\" data-end=\"1451\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1483\" data-start=\"884\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"921\" data-end=\"1516\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1526\" data-start=\"933\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"939\" data-end=\"1545\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"897\" data-end=\"1497\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1554\" data-start=\"982\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"988\" data-end=\"1519\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"940\" data-end=\"1554\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1597\" data-start=\"952\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1598\" data-start=\"944\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"926\" data-end=\"1519\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1495\" data-start=\"907\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1568\" data-start=\"933\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"883\" data-end=\"1465\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"982\" data-end=\"1621\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1580\" data-start=\"963\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"920\" data-end=\"1561\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"971\" data-end=\"1566\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"974\" data-end=\"1572\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1050\" data-end=\"1674\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"862\" data-end=\"1423\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"960\" data-end=\"1593\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"908\" data-end=\"1450\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1640\" data-start=\"983\"\u003e\n\u003cli data-end=\"1066\" data-start=\"983\" data-section-id=\"1xxcyps\"\u003eHigh power capability: Supports motors up to 500 kW for heavy-duty applications\u003c\/li\u003e\n\u003cli data-end=\"1156\" data-start=\"1067\" data-section-id=\"1wol4w0\"\u003eSoft start functionality: Reduces inrush current and mechanical stress during startup\u003c\/li\u003e\n\u003cli data-end=\"1246\" data-start=\"1157\" data-section-id=\"1utyv6k\"\u003eIntegrated bypass contactor: Improves energy efficiency during steady-state operation\u003c\/li\u003e\n\u003cli data-end=\"1330\" data-start=\"1247\" data-section-id=\"zwl3xq\"\u003eAdvanced protection: Includes electronic overload and motor protection features\u003c\/li\u003e\n\u003cli data-end=\"1402\" data-start=\"1331\" data-section-id=\"r24nfz\"\u003eWide control voltage range: 100–240 VAC\/DC for flexible integration\u003c\/li\u003e\n\u003cli data-end=\"1475\" data-start=\"1403\" data-section-id=\"1xh2ai0\"\u003eThree-phase operation: Designed for industrial 3-phase motor systems\u003c\/li\u003e\n\u003cli data-end=\"1556\" data-start=\"1476\" data-section-id=\"1trsuf5\"\u003eFlexible control options: Supports automatic, manual, and remote reset modes\u003c\/li\u003e\n\u003cli data-end=\"1640\" data-start=\"1557\" data-section-id=\"z09h1n\"\u003eIndustrial durability: Suitable for harsh environments and continuous operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1771\" data-start=\"1642\"\u003eThe 3RW4073-6BB35 delivers the reliability and precision required for controlled motor starting in heavy industrial applications.\u003c\/p\u003e\n\u003cul data-end=\"1426\" data-start=\"841\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1480\" data-start=\"902\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"871\" data-end=\"1482\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"909\" data-end=\"1577\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1590\" data-start=\"903\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"902\" data-end=\"1573\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"877\" data-end=\"1480\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"887\" data-end=\"1552\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1526\" data-start=\"891\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1499\" data-start=\"843\"\u003e\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":51318066872618,"sku":"3RW4073-6BB35","price":4997.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/10991_C9VR75TP04XQSF2J.png?v=1774818406","url":"https:\/\/iqelectro.com\/products\/siemens-3rw4073-6bb35-soft-starter-500kw-400vac-sirius-3rw40-motor-control","provider":"IQElectro","version":"1.0","type":"link"}