{"product_id":"cooper-bussmann-frn-r-150-time-delay-fuse-150a-rk5","title":"Cooper Bussmann FRN-R-150 Time Delay Fuse 150A RK5","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe COOPER BUSSMANN FRN-R-150 is a Class RK5 cartridge-style time delay fuse rated at 150 amps. It is designed for general-purpose overcurrent protection in industrial and commercial electrical distribution systems. The time delay characteristic allows the fuse to ride through temporary inrush currents — such as motor startup loads — without nuisance opening, while still providing fast response to sustained fault conditions. A dual-element internal construction supports this behavior. Licensed electricians and electrical contractors install this fuse type in disconnect switches, motor control centers, and panelboards where RK5 fusing is specified.\u003c\/p\u003e\u003cp\u003eThe FRN-R-150 is suited for AC and DC electrical circuits requiring RK5-class overcurrent protection. Its bolt-on mount type makes it compatible with standard fuse block and disconnect hardware designed for cartridge fuse bodies of this class. The 20 kA interrupting rating at DC 200 volts RMS makes it appropriate for applications with significant available fault current. It is commonly used in light industrial, commercial HVAC, and pump motor circuits where time delay fusing is required by design or code.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e150A continuous current rating with Class RK5 time delay characteristics\u003c\/li\u003e\n\u003cli\u003eDual-element construction tolerates motor inrush without nuisance tripping\u003c\/li\u003e\n\u003cli\u003e20 kA interrupting rating at DC 200 volts RMS\u003c\/li\u003e\n\u003cli\u003eBolt-on mount type for use with standard RK5 fuse blocks and disconnects\u003c\/li\u003e\n\u003cli\u003eCE Certified, CSA C22.2 No. 248.12 Certified, and UL Listed 248-12 Class RK5\u003c\/li\u003e\n\u003cli\u003eCartridge body with 39.6 mm diameter and 7.125 inches overall length\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in Class RK5 fuse holders, disconnects, and motor control equipment requiring a 150A time delay cartridge fuse with a 39.6 mm diameter body and bolt-on mounting.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and any applicable local codes. Always de-energize and lockout\/tagout the circuit before removing or installing fuses. Verify that the fuse holder or disconnect is rated for Class RK5 cartridge fuses at the appropriate amperage and voltage before installation. Do not substitute a fuse of a different class, amperage, or timing characteristic without engineering review.\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\u003eAmperage\u003c\/strong\u003e: 150A\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\u003eInterrupting Rating\u003c\/strong\u003e: 20 kA at DC 200 volts RMS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 7.125 inches (181 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Diameter\u003c\/strong\u003e: 39.6 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount Type\u003c\/strong\u003e: Bolt-On\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.85 pounds\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\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: FRN-R-150\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EATON","offers":[{"title":"Default Title","offer_id":51690431021362,"sku":"FRN-R-150","price":470.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/fe61aee6d3745f9516a33dfbf7c1222c.jpg?v=1788270083","url":"https:\/\/voomisupply.com\/products\/cooper-bussmann-frn-r-150-time-delay-fuse-150a-rk5","provider":"Voomi Supply","version":"1.0","type":"link"}