{"product_id":"cooper-bussmann-frs-r-5-rk5-time-delay-fuse-5a","title":"Cooper Bussmann FRS-R-5 RK5 Time Delay Fuse 5A","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe COOPER BUSSMANN FRS-R-5 is a cartridge-style, time-delay fuse rated at 5 amps and classified RK5 for general-purpose overcurrent protection. It measures 5 inches in overall length and 20.6 mm in diameter, fitting standard fuse holders designed for RK5 cartridge fuses. The dual-element, time-delay design tolerates brief inrush currents — such as those produced by motor starts — without nuisance opening, while still responding quickly to sustained overloads and short-circuit faults. This fuse is installed by licensed electricians and qualified technicians in panel boards, disconnect switches, and inline fuse holders across commercial and light industrial applications.\u003c\/p\u003e\u003cp\u003eThe FRS-R-5 is suited for general-purpose branch circuit and equipment protection where RK5 time-delay performance is specified. Typical applications include motor branch circuits, HVAC equipment disconnects, and control panel protection in both commercial and light industrial settings. The non-indicating body provides no visual blown-fuse signal, so verification requires a fuse tester or multimeter during troubleshooting. It mounts in any standard RK5-rated fuse holder.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e5-amp rating with time-delay (dual-element) design for motor and inductive load protection\u003c\/li\u003e\n\u003cli\u003eRK5 fuse class — fits standard RK5 cartridge fuse holders\u003c\/li\u003e\n\u003cli\u003e5-inch overall length, 20.6 mm diameter for drop-in cartridge replacement\u003c\/li\u003e\n\u003cli\u003eNon-indicating body — no visual blown indicator\u003c\/li\u003e\n\u003cli\u003eCE Certified, CSA C22.2 No. 248.12 Class 1422-02 File 53787 Certified, and UL Listed 248-12 Class RK5 Guide JDDZ File E4273\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in RK5-rated cartridge fuse holders. Suitable as a direct replacement in any application specifying a Class RK5 time-delay cartridge fuse at 5 amps.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation must be performed by a qualified electrician in accordance with the National Electrical Code (NEC) and applicable local codes. Always de-energize and lock out the circuit before removing or installing a fuse. Confirm the fuse holder is rated for Class RK5 cartridge fuses before installation. Do not substitute a different fuse class or a higher ampere rating as a replacement.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Class\u003c\/strong\u003e: RK5\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: 5 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\u003eOverall Length\u003c\/strong\u003e: 5 inches (127 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\u003eIndicating\u003c\/strong\u003e: Non-Indicating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications\u003c\/strong\u003e: CE Certified; CSA C22.2 No. 248.12 Class 1422-02 File 53787 Certified; UL Listed 248-12 Class RK5 Guide JDDZ File E4273\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 39121605\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.14 pounds\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: FRS-R-5\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EATON","offers":[{"title":"Default Title","offer_id":51700624326962,"sku":"FRS-R-5","price":385.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/d5dc46b8433b25860653787f8604c7fd.jpg?v=1788392907","url":"https:\/\/voomisupply.com\/products\/cooper-bussmann-frs-r-5-rk5-time-delay-fuse-5a","provider":"Voomi Supply","version":"1.0","type":"link"}