{"product_id":"cooper-bussmann-lpj-25spi-time-delay-fuse-25a-class-j","title":"Cooper Bussmann LPJ-25SPI Time Delay Fuse 25A Class J","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe COOPER BUSSMANN LPJ-25SPI is a Class J time delay cartridge fuse rated at 25 amps for general purpose overcurrent protection in industrial and commercial electrical systems. It features a dual-element design that tolerates temporary inrush currents while still providing reliable short-circuit and overload protection. The fuse measures 2.25 inches in overall length and 20.6 mm in diameter, and it includes an indicating feature that provides a visual signal when the fuse has opened. Licensed electricians and maintenance technicians install this fuse in Class J fuse holders wherever high-interrupting-capacity protection is required.\u003c\/p\u003e\u003cp\u003eThe LPJ-25SPI is suited for residential, commercial, and industrial electrical panels, motor branch circuits, and equipment requiring Class J fuse protection. Its time delay characteristic makes it a practical choice for motor loads and transformer primaries where startup inrush would otherwise cause nuisance openings. The indicating function assists technicians in quickly identifying a blown fuse during troubleshooting without requiring additional test equipment.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eClass J time delay fuse with dual-element construction for inrush tolerance\u003c\/li\u003e\n\u003cli\u003e25 amp rating with 100 kA interrupting capacity at DC and 300 kA at AC (RMS)\u003c\/li\u003e\n\u003cli\u003eIndicating design provides visual confirmation of fuse operation\u003c\/li\u003e\n\u003cli\u003eOverall length of 2.25 inches, overall diameter of 20.6 mm\u003c\/li\u003e\n\u003cli\u003eMounts in standard Class J fuse holders\u003c\/li\u003e\n\u003cli\u003eMeets CE, CSA 22.2 No.248, CSA Class 1422-02 File 53787, UL Listed Guide JDDZ File E4273, and RoHS requirements\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with Class J fuse holders accepting cartridge fuses with a 20.6 mm diameter and 2.25 inch overall length. Verify holder ratings match the 25 amp and high-interrupting-capacity specifications before installation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation must be performed by a qualified electrician in accordance with the National Electrical Code (NEC) and all applicable local codes. De-energize and lock out the circuit before removing or installing the fuse. Confirm the fuse holder is rated for Class J fuses and that the circuit voltage and amperage do not exceed the fuse ratings. Do not substitute a fuse of a different class, higher amperage, or lower interrupting rating.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Class\u003c\/strong\u003e: J\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 25 amps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Timing\u003c\/strong\u003e: Time Delay\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Body Type\u003c\/strong\u003e: Cartridge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Elements\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupting Capacity (DC)\u003c\/strong\u003e: 100 kA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupting Capacity (AC RMS)\u003c\/strong\u003e: 300 kA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2.25 inches (57.20 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Diameter\u003c\/strong\u003e: 20.60 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount Type\u003c\/strong\u003e: Fuse Holder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndicating\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.11 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications\u003c\/strong\u003e: CE Certified, CSA 22.2 No.248, CSA Class 1422-02 File 53787, UL Listed Guide JDDZ File E4273, RoHS Compliant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 39121605\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: COOPER BUSSMANN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: LPJ-25SPI\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EATON","offers":[{"title":"Default Title","offer_id":51699791233330,"sku":"LPJ-25SPI","price":731.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/a396a50f212ae21e8a9ef5a429af6c54.jpg?v=1788381016","url":"https:\/\/voomisupply.com\/products\/cooper-bussmann-lpj-25spi-time-delay-fuse-25a-class-j","provider":"Voomi Supply","version":"1.0","type":"link"}