{"product_id":"mersen-a4j70-class-j-fuse-70-amp-600-volt","title":"Mersen A4J70 Class J Fuse 70 Amp 600 Volt","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe MERSEN A4J70 is a Class J current-limiting fuse rated at 70 amps and 600 volts AC. Class J fuses are compact, fast-acting overcurrent protection devices widely used in industrial and commercial electrical systems where high fault-current interrupting capacity is required in a small form factor. This fuse provides reliable branch-circuit and feeder protection and is installed by licensed electricians in panelboards, fusible disconnects, and motor-control equipment. The A4J70 ships in a pack of 5 units, making it practical for stocking or multi-point installations.\u003c\/p\u003e\n\u003cp\u003eClass J fuses are a standard selection for protecting motors, transformers, and other inductive loads in commercial and light industrial facilities. They are commonly installed in fusible safety switches and disconnect enclosures rated for 600-volt service. The compact dimensions of the A4J70 allow it to fit in space-constrained enclosures where larger fuse classes would not be suitable. Electricians also use Class J fuses as an upgrade path in applications where a higher interrupting rating is needed compared to standard Class H or K fuses.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e70-amp continuous current rating for branch-circuit and feeder protection\u003c\/li\u003e\n  \u003cli\u003e600-volt AC rating suitable for standard commercial and light industrial service\u003c\/li\u003e\n  \u003cli\u003eClass J current-limiting design provides high interrupting capacity in a compact body\u003c\/li\u003e\n  \u003cli\u003eFast-acting response limits let-through energy to protect downstream equipment\u003c\/li\u003e\n  \u003cli\u003eSold in a pack of 5 for efficient stocking and multi-point installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement for Class J fusible disconnect switches and panelboard fuse holders rated at 600 volts and 70 amps or greater.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation must be performed by a qualified, licensed electrician in accordance with the National Electrical Code (NEC) and all applicable local codes. De-energize and lockout\/tagout the circuit completely before removing or installing any fuse. Verify that the fuse holder or disconnect is rated for Class J fuses at the required voltage and amperage before installation. Never replace a fuse with a unit of 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\u003eAmperage\u003c\/strong\u003e: 70 amps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Rating\u003c\/strong\u003e: 600 volts AC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuse Class\u003c\/strong\u003e: Class J\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 5 per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Dimensions (L x W x H)\u003c\/strong\u003e: 6.000 inches x 5.380 inches x 1.060 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.240 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 78200196028\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: A4J70\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MERSEN","offers":[{"title":"Default Title","offer_id":51383528816946,"sku":"A4J70","price":86.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/312678315.jpg?v=1782599533","url":"https:\/\/voomisupply.com\/products\/mersen-a4j70-class-j-fuse-70-amp-600-volt","provider":"Voomi Supply","version":"1.0","type":"link"}