A4J250 - Mersen 250 Amp 600V Class J Fast-Acting Current Limiting Fuse, 200kA Interrupt Rating, Blade Terminal, UL/CSA Certified

A4J250

A4J250 is a Mersen Class J, fast-acting, current-limiting fuse designed for robust circuit protection in demanding electrical applications.

This fuse features a 250 Amp rating, 600V AC / 300V DC voltage rating, and a high interrupting capacity of 200,000A AC / 100,000A DC. It utilizes a cylindrical body with blade terminals made of brass alloy, ensuring reliable connectivity and safety. The A4J series is known for its unique dimensions that prevent substitution with other fuse classes, offering enhanced system integrity. Certified to UL 248-8, CSA C22.2 No. 248.8, and IEC 269-2-1, this fuse is suitable for use in panelboards, switchboards, bus ducts, feeder circuits, and capacitor applications.

Key Specifications
• Part Number: A4J250
• Manufacturer: Mersen
• Amperage: 250A
• Voltage: 600V AC, 300V DC
• Poles: Not applicable (fuse)
• Mounting Type: Blade terminal
• Interrupt Rating: 200,000A AC, 100,000A DC
• Series/Frame: A4J
• Trip Unit: Not applicable (fuse)
• Certifications: UL 248-8, CSA C22.2 No. 248.8, IEC 269-2-1
• Body Size: 2-1/8" diameter x 7-1/8" length
• Type: Fast-acting, current-limiting
• Terminal Material: Brass alloy

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Specifications

• Part Number: A4J250
• Manufacturer : Mersen
• Brand : Mersen
• Category : Fuse
• Item Subcategory : Low Voltage Fuse
• Family : Amp-Trap
• Type : A4J
• Voltage : 600
• Amperage : 250
• AIC rating : 200kA@600V
• Diameter : 2.13
• Class Rating : J
• Barrels : 1

Product Data

• UPC : 782001960391
• GTIN : 00782001960391
• Weight : 2