{"product_id":"cooper-bussmann-lpj-7spi-class-j-time-delay-fuse-7a","title":"Cooper Bussmann LPJ-7SPI Class J Time Delay Fuse 7A","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe COOPER BUSSMANN LPJ-7SPI is a Class J time delay cartridge fuse rated at 7 amps, designed for general-purpose overcurrent protection in commercial and industrial electrical systems. The time delay characteristic allows the fuse to withstand brief inrush currents without nuisance opening, while still responding quickly to sustained fault conditions. This is a dual-element, indicating fuse, meaning it provides a visible signal when it has opened. At 20.6 mm in diameter and 57.2 mm in overall length, it fits standard Class J fuse holders. Licensed electricians and industrial maintenance technicians are the typical installers.\u003c\/p\u003e\n\u003cp\u003eThe LPJ-7SPI is suited for motor branch circuit protection, transformer primaries, and other loads where temporary current surges are expected during startup. Its Class J rating places it in a high-interrupting-capacity category, with an interrupting rating of 300 kA at AC (RMS) and 100 kA at DC. This makes it appropriate for use in panels and equipment where available fault current levels are elevated, such as in commercial buildings, light industrial facilities, and equipment control panels requiring certified overcurrent protection.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eClass J cartridge form factor fits standard Class J fuse holders\u003c\/li\u003e\n  \u003cli\u003eTime delay design handles motor inrush and transformer magnetizing currents without nuisance tripping\u003c\/li\u003e\n  \u003cli\u003eDual-element construction provides both overload and short-circuit protection\u003c\/li\u003e\n  \u003cli\u003eIndicating feature provides visible confirmation when the fuse has opened\u003c\/li\u003e\n  \u003cli\u003e300 kA interrupting rating at AC (RMS) supports high available fault current environments\u003c\/li\u003e\n  \u003cli\u003eCertified to UL, CSA, CE, and RoHS standards for broad application compliance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use in standard Class J fuse holders accepting 20.6 mm diameter cartridge fuses with a 57.2 mm overall length.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation must be performed by a qualified licensed electrician in accordance with the National Electrical Code (NEC) and all applicable local codes. De-energize and lockout\/tagout the circuit before removing or installing any fuse. Verify that the fuse holder is rated for Class J fuses and that the replacement amperage matches the circuit's overcurrent protection requirements. Do not substitute a fuse of a higher amperage rating than specified by the equipment manufacturer or circuit design.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\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: 7 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\u003eIndicating\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterrupting Rating (AC RMS)\u003c\/strong\u003e: 300 kA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterrupting Rating (DC)\u003c\/strong\u003e: 100 kA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2.25 inches (57.2 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Diameter\u003c\/strong\u003e: 20.6 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMount Type\u003c\/strong\u003e: Fuse Holder\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: UL Listed (Guide JDDZ, File E4273), CSA 22.2 No.248, CSA Class 1422-02 (File 53787), CE Certified, RoHS Compliant\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 39121605\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\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-7SPI\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EATON","offers":[{"title":"Default Title","offer_id":51720807383346,"sku":"LPJ-7SPI","price":88.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/58ee9a1b2380a9129f85a224b186e89d_40ed2674-45bb-427f-93db-6dd3ac3ce0b4.jpg?v=1788569384","url":"https:\/\/voomisupply.com\/products\/cooper-bussmann-lpj-7spi-class-j-time-delay-fuse-7a","provider":"Voomi Supply","version":"1.0","type":"link"}