{"product_id":"cooper-bussmann-jjs-30-class-t-fast-acting-fuse-30a-600v","title":"Cooper Bussmann JJS-30 Class T Fast-acting Fuse 30A 600V","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe COOPER BUSSMANN JJS-30 is a Class T cartridge fast-acting fuse rated for 30 amps at 600 volts AC. It delivers an interrupting capacity of 200 kA at AC RMS, making it suitable for circuits where high fault-current protection is required. The JJS-30 measures 1.5 inches in overall length and 0.81 inches in diameter, fitting standard Class T fuse holders. Licensed electricians and industrial maintenance technicians install this fuse in panel boards, disconnect switches, and equipment branch circuits where fast-acting overcurrent protection is specified.\u003c\/p\u003e\n\u003cp\u003eThe JJS-30 is a general-purpose Class T fuse suited for commercial and industrial electrical systems. Its fast-acting response makes it appropriate for protecting loads that do not require a time-delay fuse, such as resistive loads and some motor branch circuits where upstream protection handles inrush. It mounts in Class T fuse holders and is a common specification in switchgear, motor control centers, and service entrance equipment requiring high interrupting capacity.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e30-amp rating with 600-volt AC capacity for demanding branch-circuit applications\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 immediate response to overcurrent conditions\u003c\/li\u003e\n  \u003cli\u003eClass T cartridge body fits 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 (Guide JDDZ File E4273)\u003c\/li\u003e\n  \u003cli\u003eCompact profile: 1.5 inches overall length, 0.81 inches diameter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use in Class T fuse holders. Consult system documentation to confirm fuse holder rating and ampere class 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 lockout\/tagout the circuit before removing or installing any fuse. Verify that the replacement fuse amperage, voltage rating, and fuse class match the circuit requirements exactly. Never install a fuse with a higher ampere 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\u003eFuse Timing\u003c\/strong\u003e: Fast-Acting\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 30 amps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 600 volts AC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterrupting Capacity\u003c\/strong\u003e: 200 kA at AC RMS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuse Body Type\u003c\/strong\u003e: Cartridge\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMount Type\u003c\/strong\u003e: Fuse Holder\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 1.5 inches (39.70 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Diameter\u003c\/strong\u003e: 0.81 inches (20.60 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.04 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: CE Certified; CSA C22.2 No. 248.15 Class 1422-02 File 53787 Certified; 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-30\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EATON","offers":[{"title":"Default Title","offer_id":51700696678706,"sku":"JJS-30","price":459.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/87bb84662a5f98f82d82c5ae3477f2fc.jpg?v=1788393976","url":"https:\/\/voomisupply.com\/products\/cooper-bussmann-jjs-30-class-t-fast-acting-fuse-30a-600v","provider":"Voomi Supply","version":"1.0","type":"link"}