{"product_id":"mersen-dfc-12-200a-class-j-safety-fuse","title":"Mersen DFC-12 200A Class J Safety Fuse","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe MERSEN DFC-12 is a 200-amp Class J safety fuse designed for overcurrent protection in industrial and commercial electrical distribution systems. Class J fuses are a current-limiting type, recognized for their fast-clearing characteristics and compact form factor that prevents substitution with lower-rated fuse classes. This fuse is installed by licensed electricians in panel boards, disconnect switches, and fused safety switches where reliable short-circuit and overload protection is required. At 200 amps, it suits branch-circuit and feeder applications in a range of demanding electrical environments.\u003c\/p\u003e\n\u003cp\u003eThe DFC-12 is suited for use in commercial and industrial installations where Class J fuse holders are specified. Typical applications include motor branch circuits, feeder protection, and equipment disconnect assemblies. It is appropriate for facilities requiring current-limiting overcurrent protection in compliance with NEC requirements for Class J fusing. Electricians working on panel upgrades, service replacements, or new construction installations will encounter this fuse rating in medium-load commercial systems.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e200-amp continuous current rating for feeder and branch-circuit protection\u003c\/li\u003e\n  \u003cli\u003eClass J current-limiting design with fast-clearing action under fault conditions\u003c\/li\u003e\n  \u003cli\u003eCompact Class J form factor prevents cross-installation with non-current-limiting fuse classes\u003c\/li\u003e\n  \u003cli\u003eSuitable for use in listed Class J fuse holders and fused disconnect switches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use in Class J fuse holders and safety switches rated for 200-amp overcurrent protection devices.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed electrician in accordance with NEC Article 240 and any applicable local codes. Always de-energize and verify absence of voltage using a calibrated meter before servicing fuses or fuse holders. Use properly rated fuse pullers when removing or inserting Class J fuses — never handle them with bare hands while the circuit is live. Confirm the fuse holder is rated for Class J devices before installation.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 200 amps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuse Class\u003c\/strong\u003e: Class J\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Current-Limiting Safety Fuse\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 78200141882\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: MERSEN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: DFC-12\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MERSEN","offers":[{"title":"Default Title","offer_id":51383651533106,"sku":"DFC-12","price":64.93,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/312676839.jpg?v=1782603210","url":"https:\/\/voomisupply.com\/products\/mersen-dfc-12-200a-class-j-safety-fuse","provider":"Voomi Supply","version":"1.0","type":"link"}