{"product_id":"3ru21261hb0-siemens-sirius-5-5-to-8-a-3-pole-thermal-overload-relay-for-motor-protection","title":"3RU21261HB0 - Siemens SIRIUS 5.5 to 8 A 3-Pole Thermal Overload Relay for Motor Protection","description":" \t\t\t\t\t\t\t\t\t\t\u003ch2\u003e3RU21261HB0\u003c\/h2\u003e                                         \u003cbr\u003e \t\t\t\t\t\t\t\t\t\t\u003cb\u003e3RU21261HB0\u003c\/b\u003e is a Siemens SIRIUS thermal overload relay designed for reliable motor protection in industrial applications. This 3-pole device features a 5.5 to 8 A current rating, manual-automatic reset, and is suitable for use with S0 size contactors. The relay provides protection against overload, phase asymmetry, and phase failure for three-phase motors. Engineered for durability and safety, the 3RU21261HB0 offers a 690 VAC insulation voltage, IP20 enclosure, and screw terminal connections for both main and auxiliary circuits. Its compact design and robust construction make it ideal for panel mounting in demanding environments. \u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003eSeries: SIRIUS\u003c\/li\u003e \u003cli\u003ePart Number: 3RU21261HB0\u003c\/li\u003e \u003cli\u003eAmperage Rating: 5.5 to 8 A\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eMounting Type: Contactor\/Panel Mount\u003c\/li\u003e \u003cli\u003eInterrupt Rating: 690 VAC\u003c\/li\u003e \u003cli\u003eFrame Size: S0\u003c\/li\u003e \u003cli\u003eTrip Unit: Thermal\u003c\/li\u003e \u003cli\u003eReset Type: Manual-Automatic\u003c\/li\u003e \u003cli\u003eEnclosure: IP20\u003c\/li\u003e \u003cli\u003eTerminal Type: Screw\u003c\/li\u003e \u003c\/ul\u003e At \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. \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: 3RU21261HB0\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 : 3RU21\u003c\/li\u003e\n\u003cli\u003eRelay Style : Thermal\u003c\/li\u003e\n\u003cli\u003eAux Contacts : 1NO\/1NC\u003c\/li\u003e\n\u003cli\u003eAmperage Maximum : 8\u003c\/li\u003e\n\u003cli\u003eAmperage Minimum : 5.5\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 : 662643919103\u003c\/li\u003e\n\u003cli\u003eGTIN : 00662643919103\u003c\/li\u003e\n\u003cli\u003eCountry of Origin : Germany\u003c\/li\u003e\n\u003cli\u003eDimensions : 4.016 x 1.929 x 4.016 inch\u003c\/li\u003e\n\u003cli\u003eWeight : 0.401 \u003c\/li\u003e\n\u003cli\u003eCertification : REACH Art 33 Duty to Inform According to the Current List of Candidates Lead CAS-No. 7439-92-1  Greater Than 0, 1 % (w\/w), RoHS 07\/01\/2006, WEEE (2012\/19\/EU) Take-Back Obligation\u003c\/li\u003e\n\u003c\/ul\u003e                                         \u003cbr\u003e                                          ","brand":"Siemens","offers":[{"title":"New","offer_id":44587330306207,"sku":"3RU21261HB0-New","price":87.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0500\/2349\/7887\/files\/3RU21261HB0.jpg?v=1731108347","url":"https:\/\/essentialparts.com\/products\/3ru21261hb0-siemens-sirius-5-5-to-8-a-3-pole-thermal-overload-relay-for-motor-protection","provider":"Essential Electric Supply","version":"1.0","type":"link"}