{"product_id":"cooper-bussmann-lpj-90sp-class-j-90a-time-delay-fuse","title":"Cooper Bussmann LPJ-90SP Class J 90A Time Delay Fuse","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe COOPER BUSSMANN LPJ-90SP is a Class J time delay cartridge fuse rated at 90 amps for use in industrial and commercial electrical distribution systems. It carries an interrupt rating of 100 kA at DC and 300 kA at AC (RMS), making it suitable for high-fault-current environments. The dual-element, cartridge body design allows it to tolerate short-duration inrush currents without nuisance tripping while still providing reliable overcurrent protection. Licensed electricians and electrical contractors install this fuse in motor branch circuits, feeder protection panels, and combination motor controllers where Class J rejection is required.\u003c\/p\u003e\u003cp\u003eThis fuse is used in bolt-on fusible disconnects and Class J fuse holders in both commercial and light industrial applications. Its time delay characteristic makes it well suited for motor load circuits that draw high starting currents before settling to running amperage. The non-indicating body provides no visual blown indicator, so confirmation of fuse condition requires a continuity check or fuse tester during service. The 28.6 mm diameter and 117.5 mm overall length fit standard Class J fuse blocks designed for that form factor.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e90A continuous current rating with time delay dual-element design for motor inrush tolerance\u003c\/li\u003e\n\u003cli\u003eHigh interrupt rating: 100 kA at DC, 300 kA at AC (RMS)\u003c\/li\u003e\n\u003cli\u003eClass J cartridge form factor with bolt-on mount type\u003c\/li\u003e\n\u003cli\u003eNon-indicating body — requires tester or continuity check to confirm blown status\u003c\/li\u003e\n\u003cli\u003eRoHS compliant; CE Certified; UL Listed; CSA Certified\u003c\/li\u003e\n\u003cli\u003eTwo-element construction for independent overload and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in Class J fuse holders and bolt-on fusible disconnect switches rated for 90A, 600V Class J fuses.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and replacement must be performed by a qualified electrician in accordance with NFPA 70 (NEC) requirements. Always de-energize and lockout\/tagout the circuit before servicing fuse blocks or disconnect enclosures. Use an insulated fuse puller rated for the voltage class when removing or inserting cartridge fuses. Verify the replacement fuse class, amperage, and interrupt rating match the circuit requirements before energizing.\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: 90A\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\u003eInterrupt Rating (AC RMS)\u003c\/strong\u003e: 300 kA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupt Rating (DC)\u003c\/strong\u003e: 100 kA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Elements\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount Type\u003c\/strong\u003e: Bolt-On\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndicating\u003c\/strong\u003e: Non-Indicating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 4-5\/8 inches (117.5 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Diameter\u003c\/strong\u003e: 28.6 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.34 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: CE Certified, CSA C22.2 No. 248.8, CSA Class 1422-02 File 53787, RoHS Compliant, UL Listed Guide JDDZ File E4273\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-90SP\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EATON","offers":[{"title":"Default Title","offer_id":51705081692466,"sku":"LPJ-90SP","price":1141.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/679e6defaa5770af08908a2867ef6985.jpg?v=1788426705","url":"https:\/\/voomisupply.com\/products\/cooper-bussmann-lpj-90sp-class-j-90a-time-delay-fuse","provider":"Voomi Supply","version":"1.0","type":"link"}