{"product_id":"8rbt4-250e-eaton-rbt4-expulsion-fuse-refill-250a-8-3kv-time-lag-class-e","title":"8RBT4-250E - Eaton RBT4 Expulsion Fuse Refill 250A 8.3kV Time Lag Class E","description":" \t\t\t\t\t\t\t\t\t\t\u003ch2\u003e8RBT4-250E\u003c\/h2\u003e                                         \u003cbr\u003e \t\t\t\t\t\t\t\t\t\t\u003cb\u003e8RBT4-250E\u003c\/b\u003e is an Eaton RBT expulsion fuse refill designed for medium-voltage power distribution applications requiring reliable overcurrent protection. This Type RBT4 fuse refill operates at 250 amperes with a maximum voltage rating of 8.3 kV and nominal voltage of 7.2 kV, making it suitable for industrial and utility distribution systems. The Class E time-lag characteristic provides selective coordination and protection against temporary overloads while maintaining fast response to sustained fault conditions. The expulsion fuse design delivers current-limiting performance with low let-through to minimize damaging energy to downstream equipment during high fault levels. \u003cul\u003e\n\u003cli\u003ePart Number: 8RBT4-250E\u003c\/li\u003e\n\u003cli\u003eManufacturer: Eaton\u003c\/li\u003e\n\u003cli\u003eType: RBT4 Expulsion Fuse Refill\u003c\/li\u003e\n\u003cli\u003eAmperage Rating: 250A\u003c\/li\u003e\n\u003cli\u003eMaximum Voltage: 8.3 kV\u003c\/li\u003e\n\u003cli\u003eNominal Voltage: 7.2 kV\u003c\/li\u003e\n\u003cli\u003eClass: E (Time Lag)\u003c\/li\u003e\n\u003cli\u003eApplication: Medium-voltage power distribution\u003c\/li\u003e\n\u003c\/ul\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. \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: 8RBT4-250E\u003c\/li\u003e                                             \u003cli\u003eManufacturer : Eaton\u003c\/li\u003e\n\u003cli\u003eBrand : Eaton\u003c\/li\u003e\n\u003cli\u003eCategory : Fuse\u003c\/li\u003e\n\u003cli\u003eItem Subcategory : Medium Voltage Fuse\u003c\/li\u003e\n\u003cli\u003eType : RBT4\u003c\/li\u003e\n\u003cli\u003eVoltage : 7200\u003c\/li\u003e\n\u003cli\u003eAmperage : 250\u003c\/li\u003e\n\u003cli\u003eAIC rating : 29.4kA@7.2kV\u003c\/li\u003e\n\u003cli\u003eClass Rating : E\u003c\/li\u003e\n\u003cli\u003eBarrels : 1\u003c\/li\u003e\n\u003cli\u003eVelocity : Slow\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 : 78667000342\u003c\/li\u003e\n\u003cli\u003eGTIN : 00786670003427\u003c\/li\u003e\n\u003cli\u003eCountry of Origin : Dominican Republic\u003c\/li\u003e\n\u003cli\u003eDimensions : 8.25 in x 2.1 in x 2.1 in (Length\/Depth x Height x Width)\u003c\/li\u003e\n\u003cli\u003eWeight : 2.5 \u003c\/li\u003e\n\u003cli\u003eCertification : IEEE Std. C37.41\u003c\/li\u003e\n\u003c\/ul\u003e                                         \u003cbr\u003e                                          ","brand":"Eaton","offers":[{"title":"New","offer_id":45168364486815,"sku":"8RBT4-250E-New","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Re-Certified","offer_id":45168364519583,"sku":"8RBT4-250E-ReCert","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0500\/2349\/7887\/files\/Eaton8RBT4-250E.png?v=1759420106","url":"https:\/\/essentialparts.com\/products\/8rbt4-250e-eaton-rbt4-expulsion-fuse-refill-250a-8-3kv-time-lag-class-e","provider":"Essential Electric Supply","version":"1.0","type":"link"}