{"product_id":"cooper-bussmann-jjs-40-class-t-cartridge-fuse-40a-600v","title":"Cooper Bussmann JJS-40 Class T Cartridge Fuse 40A 600V","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe COOPER BUSSMANN JJS-40 is a Class T fast-acting cartridge fuse rated at 40 amps and 600 volts AC. It provides overcurrent protection in electrical distribution systems where a compact, high-interrupting-capacity fuse is required. With an interrupting rating of 200 kA at AC (RMS), this fuse is built for demanding commercial and industrial panel applications. The cartridge body measures 20.6 mm in diameter and 1-9\/16 inches in overall length. Licensed electricians and industrial maintenance technicians install this fuse in fuse holders designed for Class T form factors. CE, CSA, and UL listings confirm compliance with major North American and international standards.\u003c\/p\u003e\n\u003cp\u003eThe JJS-40 is suited for use in commercial and industrial electrical systems where high fault-current capacity and a compact footprint are required. Class T fuses are commonly installed in motor branch circuits, feeder panels, and equipment disconnect applications. The fast-acting design provides rapid response to overloads and short-circuit conditions. This fuse mounts in a compatible Class T fuse holder. Its small diameter and standardized length make it a common choice in space-constrained enclosures and switchgear assemblies.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e40 amp continuous current rating with 600 volt AC rating\u003c\/li\u003e\n  \u003cli\u003e200 kA interrupting rating at AC (RMS) for high fault-current environments\u003c\/li\u003e\n  \u003cli\u003eFast-acting fuse timing for rapid overcurrent response\u003c\/li\u003e\n  \u003cli\u003eClass T form factor: 20.6 mm diameter, 1-9\/16 inches overall length\u003c\/li\u003e\n  \u003cli\u003eMounts in standard Class T fuse holders\u003c\/li\u003e\n  \u003cli\u003eCE Certified, CSA C22.2 No. 248.15 Certified, and UL Listed 248-15 Class T\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use in fuse holders rated for Class T cartridge fuses. Consult the fuse holder manufacturer specifications to confirm voltage, amperage, and physical dimension compatibility before installation.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and all applicable local codes. De-energize and lock out the circuit before replacing any fuse. Confirm the replacement fuse matches the amperage, voltage, and Class T form factor of the original. Never install a fuse with a higher amperage rating than the circuit is designed to carry.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuse Class\u003c\/strong\u003e: T\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuse Type\u003c\/strong\u003e: General Purpose\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 40 amps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 600 volts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterrupting Rating\u003c\/strong\u003e: 200 kA at AC (RMS)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuse Timing\u003c\/strong\u003e: Fast-Acting\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBody Type\u003c\/strong\u003e: Cartridge\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 1-9\/16 inches (39.70 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\u003eWeight\u003c\/strong\u003e: 0.09 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertifications\u003c\/strong\u003e: CE Certified; CSA C22.2 No. 248.15 Class 1422-02 File 53787; UL Listed 248-15 Class T 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\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: JJS-40\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EATON","offers":[{"title":"Default Title","offer_id":51691729977650,"sku":"JJS-40","price":949.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/bc440a87f6b5b3978e7fad389e8d29cb.jpg?v=1788288933","url":"https:\/\/voomisupply.com\/products\/cooper-bussmann-jjs-40-class-t-cartridge-fuse-40a-600v","provider":"Voomi Supply","version":"1.0","type":"link"}