{"product_id":"3ru1146-4lb0-siemens-sirius-thermal-overload-relay-70-90a-class-10","title":"3RU1146-4LB0 - Siemens Sirius Thermal Overload Relay 70-90A Class 10","description":" \t\t\t\t\t\t\t\t\t\t\u003ch2\u003e3RU1146-4LB0\u003c\/h2\u003e                                         \u003cbr\u003e \t\t\t\t\t\t\t\t\t\t\u003cp\u003e\u003cb\u003e3RU1146-4LB0\u003c\/b\u003e is a Siemens Sirius thermal overload relay designed for three-phase motor protection with adjustable amperage settings and reliable trip characteristics.\u003c\/p\u003e\u003cp\u003eThis IEC-rated overload relay is engineered for current-dependent protection of motors under normal startup conditions. The relay features screw terminal connections for both main and auxiliary circuits, ensuring secure and reliable electrical connections. It mounts directly to Siemens 3RT1 size S3 contactors, including compatibility with 3RT1044, 3RT1045, and 3RT1046 models. The thermal design provides consistent protection against overload conditions while accommodating standard motor inrush currents.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAmperage Range: 70 to 90 AMPS adjustable\u003c\/li\u003e\n\u003cli\u003eTrip Class: Class 10\u003c\/li\u003e\n\u003cli\u003eMotor Protection: Three-phase motors\u003c\/li\u003e\n\u003cli\u003eSize: S3\u003c\/li\u003e\n\u003cli\u003eMounting: Direct contactor mounting\u003c\/li\u003e\n\u003cli\u003eMain Circuit: Screw terminal\u003c\/li\u003e\n\u003cli\u003eAuxiliary Circuit: Screw terminal\u003c\/li\u003e\n\u003cli\u003ePhase Loss Sensitivity: Yes\u003c\/li\u003e\n\u003cli\u003eIEC Rated: Yes\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAt \u003cb\u003eEssential Parts\u003c\/b\u003e, we offer \u003cb\u003efast shipping\u003c\/b\u003e, \u003cb\u003elowest price\u003c\/b\u003e, and \u003cb\u003eexpert support\u003c\/b\u003e to help you get the right product every time.\u003c\/p\u003e \t\t\t\t\t\t\t\t\t\t\u003cbr\u003e                                          \t\t\t\t\t\t\t\t\t\t\u003ch3\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/h3\u003e \t\t\t\t\t\t\t\t\t\t\u003cul\u003e \t\t\t\t\t\t\t\t\t\t\t\u003cli\u003ePart Number: 3RU1146-4LB0\u003c\/li\u003e                                             \u003cli\u003eManufacturer : Siemens\u003c\/li\u003e\n\u003cli\u003eBrand : Siemens\u003c\/li\u003e\n\u003cli\u003eCategory : Motor Control\u003c\/li\u003e\n\u003cli\u003eItem Subcategory : Overload Relay\u003c\/li\u003e\n\u003cli\u003eRelay Style : Thermal\u003c\/li\u003e\n\u003cli\u003eAmperage Maximum : 90\u003c\/li\u003e\n\u003cli\u003eAmperage Minimum : 70\u003c\/li\u003e \t\t\t\t\t\t\t\t\t\t\u003c\/ul\u003e                                         \u003cbr\u003e                                         \u003ch3\u003e\u003cb\u003eProduct Data\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUPC : 075455441259\u003c\/li\u003e\n\u003cli\u003eGTIN : 00754554412597\u003c\/li\u003e\n\u003cli\u003eWeight : 10 \u003c\/li\u003e\n\u003c\/ul\u003e                                         \u003cbr\u003e                                          ","brand":"Siemens","offers":[{"title":"New","offer_id":42910835802271,"sku":"3RU1146-4LB0-New","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Re-Certified","offer_id":45169036984479,"sku":"3RU1146-4LB0-ReCert","price":81.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0500\/2349\/7887\/files\/siemens-motor-controls-new-3ru1146-4lb0-siemens-sirius-thermal-overload-relay-70-90a-class-10-53811029672095.jpg?v=1766009048","url":"https:\/\/essentialparts.com\/products\/3ru1146-4lb0-siemens-sirius-thermal-overload-relay-70-90a-class-10","provider":"Essential Electric Supply","version":"1.0","type":"link"}