{"product_id":"3ru1146-4fb0","title":"3RU1146-4FB0 - Siemens Thermal Overload Relay 28-40A Class 10 Size S3 Screw Terminal Motor Protection","description":" \t\t\t\t\t\t\t\t\t\t\u003ch2\u003e3RU1146-4FB0\u003c\/h2\u003e                                         \u003cbr\u003e \t\t\t\t\t\t\t\t\t\t\u003cb\u003e3RU1146-4FB0\u003c\/b\u003e is a Siemens thermal overload relay designed for motor protection with an adjustable current range of 28 to 40 amps and Class 10 trip rating.\u003cp\u003eThis overload relay features a Size S3 frame and is intended for contactor mounting with screw terminals for both main and auxiliary circuits. It provides phase loss sensitivity and manual-automatic reset functionality. The relay supports a rated insulation voltage of 1000 V and a surge voltage resistance of 8 kV. It includes one normally closed and one normally open auxiliary contact, with short-circuit protection requiring specific fuse links. The device is rotatable +\/-135° on a vertical mounting surface and has an IP20 front protection class.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAdjustable current range: 28 to 40 A\u003c\/li\u003e\n\u003cli\u003eTrip class: 10\u003c\/li\u003e\n\u003cli\u003eSize: S3\u003c\/li\u003e\n\u003cli\u003eNumber of poles: 3\u003c\/li\u003e\n\u003cli\u003eMain circuit connection: Screw terminal\u003c\/li\u003e\n\u003cli\u003eAuxiliary circuit connection: Screw terminal\u003c\/li\u003e\n\u003cli\u003eRated insulation voltage: 1000 V\u003c\/li\u003e\n\u003cli\u003eSurge voltage resistance: 8 kV\u003c\/li\u003e\n\u003cli\u003eAuxiliary contacts: 1 NC, 1 NO\u003c\/li\u003e\n\u003cli\u003eMounting: Contactor mounting, rotatable +\/-135°\u003c\/li\u003e\n\u003cli\u003eShort-circuit protection: Requires gG fuse links (80 A or 160 A depending on coordination)\u003c\/li\u003e\n\u003cli\u003eProtection class: IP20 (front)\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: 3RU1146-4FB0\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\u003eFamily : Sirius\u003c\/li\u003e\n\u003cli\u003eType : 3RU11\u003c\/li\u003e\n\u003cli\u003eRelay Style : Thermal\u003c\/li\u003e\n\u003cli\u003eAmperage Maximum : 40\u003c\/li\u003e\n\u003cli\u003eAmperage Minimum : 28\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 : 754554412559\u003c\/li\u003e\n\u003cli\u003eGTIN : 00754554412559\u003c\/li\u003e\n\u003cli\u003eWeight : 10 \u003c\/li\u003e\n\u003c\/ul\u003e                                         \u003cbr\u003e                                          ","brand":"Siemens","offers":[{"title":"New","offer_id":42313123332255,"sku":"3RU1146-4FB0-New","price":79.85,"currency_code":"USD","in_stock":true},{"title":"Re-Certified","offer_id":44539684880543,"sku":"3RU1146-4FB0-ReCert","price":67.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0500\/2349\/7887\/files\/3RU1146-4FB0.jpg?v=1760523287","url":"https:\/\/essentialparts.com\/products\/3ru1146-4fb0","provider":"Essential Electric Supply","version":"1.0","type":"link"}