{"product_id":"cooper-bussmann-lpj-1-1-4sp-class-j-fuse-1-25a","title":"Cooper Bussmann LPJ-1-1\/4SP Class J Fuse 1.25A","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe COOPER BUSSMANN LPJ-1-1\/4SP is a Class J time-delay cartridge fuse rated at 1.25 amps for general-purpose overcurrent protection. It features a dual-element design that tolerates brief inrush currents without nuisance opening while still providing fast, reliable response to sustained overloads and short-circuit faults. With an interrupting rating of 300 kA at AC (RMS) and 100 kA at DC, this fuse is suited for circuits where high available fault current is a design consideration. The cartridge body measures 20.60 mm in diameter and 57.20 mm in length and mounts in a standard Class J fuse holder. Licensed electricians and industrial maintenance technicians are the primary installers.\u003c\/p\u003e\n\u003cp\u003eThis fuse is applied in commercial and industrial electrical panels, motor control centers, power distribution equipment, and HVAC control circuits requiring Class J fuse protection. The time-delay characteristic makes it appropriate for motor branch circuits and transformer primary protection where startup inrush must be accommodated. It is sold individually but carries a minimum order quantity of 10 units, making it practical for panel builds and service stock replenishment.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eClass J time-delay dual-element design tolerates motor inrush without nuisance opening\u003c\/li\u003e\n  \u003cli\u003e300 kA interrupting rating at AC (RMS) and 100 kA at DC for high-fault-current circuits\u003c\/li\u003e\n  \u003cli\u003e1.25-amp rating for low-amperage branch circuit and control circuit protection\u003c\/li\u003e\n  \u003cli\u003eCartridge body: 20.60 mm diameter, 57.20 mm overall length — fits standard Class J fuse holders\u003c\/li\u003e\n  \u003cli\u003eNon-indicating body for cost-effective general-purpose applications\u003c\/li\u003e\n  \u003cli\u003eRoHS compliant; UL Listed, CSA Certified, CE Certified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use in standard Class J fuse holders. Verify holder ampere rating and voltage rating are consistent with the circuit being protected before installation.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation must be performed by a qualified electrician in accordance with the National Electrical Code (NEC) and applicable local codes. De-energize and lock out the circuit before removing or inserting any fuse. Confirm the fuse holder is rated for Class J fuses and that the circuit voltage does not exceed the fuse voltage rating. Do not substitute a higher-amperage fuse to resolve nuisance opening — diagnose the underlying load condition first.\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\u003eFuse Type\u003c\/strong\u003e: General Purpose\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\u003eAmperage\u003c\/strong\u003e: 1.25 amps\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 (57.20 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\u003eNumber of Elements\u003c\/strong\u003e: 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndicating\u003c\/strong\u003e: Non-Indicating\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\u003eStandards\u003c\/strong\u003e: UL Listed Guide JDDZ File E4273; CSA 22.2 No.248 Certified; CSA Class 1422-02 File 53787; CE Certified; RoHS Compliant\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-1-1\/4SP\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EATON","offers":[{"title":"Default Title","offer_id":51698874384690,"sku":"LPJ-1-1\/4SP","price":639.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/ec938883328f3cfcc55dad4d55cae3f1_36160763-8afd-4850-8fae-51dc2a24a447.jpg?v=1788369232","url":"https:\/\/voomisupply.com\/products\/cooper-bussmann-lpj-1-1-4sp-class-j-fuse-1-25a","provider":"Voomi Supply","version":"1.0","type":"link"}