{"product_id":"cooper-bussmann-ktk-45-cartridge-fast-acting-fuse-45a-600v","title":"Cooper Bussmann KTK-45 Cartridge Fast-acting Fuse 45A 600V","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe COOPER BUSSMANN KTK-45 is a fast-acting cartridge fuse rated for 45 amps at 600 volts AC, designed for general-purpose overcurrent protection in industrial and commercial electrical systems. The melamine body measures 1.5 inches in overall length with a 10.3 mm diameter, fitting standard fuse holders used across control panels, machinery, and supplemental circuit protection applications. With an interrupting rating of 100 kA at AC, this fuse handles high fault-current environments without compromise. Electricians and panel technicians select this fuse for its reliable fast-blow response, which limits damage to downstream components during overload or short-circuit conditions.\u003c\/p\u003e\n\u003cp\u003eThe KTK-45 is suited for use in residential, commercial, and light industrial control circuits where supplemental fuse protection is required. It mounts in standard fuse holders and is commonly installed in motor control centers, HVAC control panels, and machine tool wiring enclosures. Its compact cartridge form factor makes it a practical fit in space-constrained panel layouts. This fuse is appropriate anywhere a fast-acting 45-amp, 600-volt supplemental fuse is specified by the equipment manufacturer or design engineer.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eFast-acting fuse response for immediate overcurrent interruption\u003c\/li\u003e\n  \u003cli\u003e45-amp continuous current rating at 600 volts AC\u003c\/li\u003e\n  \u003cli\u003e100 kA interrupting rating at AC for high fault-current circuits\u003c\/li\u003e\n  \u003cli\u003eMelamine body construction for thermal durability\u003c\/li\u003e\n  \u003cli\u003e1.5-inch overall length, 10.3 mm diameter fits standard cartridge fuse holders\u003c\/li\u003e\n  \u003cli\u003eCE Certified, CSA C22.2 No.248.14, UL Listed 248-14, and RoHS Compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use in standard cartridge fuse holders accepting a 10.3 mm diameter, 1.5-inch fuse body rated for general-purpose 600-volt supplemental overcurrent protection applications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should 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 completely before removing or installing this fuse. Use an insulated fuse puller appropriate for cartridge fuses of this size. Verify the replacement fuse amperage, voltage rating, and interrupting capacity match the circuit requirements before reinstalling power.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 45 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: 100 kA at AC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuse Timing\u003c\/strong\u003e: Fast-Acting\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuse Body Type\u003c\/strong\u003e: Cartridge\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 1.5 inches (38.10 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Diameter\u003c\/strong\u003e: 10.30 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Melamine\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: Black\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: 0.02 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: CE Certified, CSA C22.2 No.248.14 Class 1422-01 File 53787 HRC-MISC Certified, RoHS Compliant, UL Listed 248-14 Guide JDYX File E19180\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: KTK-45\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EATON","offers":[{"title":"Default Title","offer_id":51694637875506,"sku":"KTK-45","price":83.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/1819e398420aa18095c2649c69aded79.jpg?v=1788326600","url":"https:\/\/voomisupply.com\/products\/cooper-bussmann-ktk-45-cartridge-fast-acting-fuse-45a-600v","provider":"Voomi Supply","version":"1.0","type":"link"}