Mersen A4BY3000-55AL - Class J Fuse 3000A 600V (UL/CSA Listed)

Mersen A4BY3000-55AL is a low-voltage current-limiting fuse from the Amp-Trap family, designed for high-current circuit protection in industrial power distribution systems. Rated for 600V AC/DC applications with a 3000A interrupting capacity, this Class J fuse features a compact, durable construction with precise current-limiting characteristics to protect equipment from short-circuit faults. The fuse complies with UL/CSA standards for safety and reliability in demanding environments. Typical applications include motor control centers, switchgear, and transformer protection where high fault currents are present.

Key Features & Specifications

• Type: A4BY Class J current-limiting fuse with silver-element construction
• Voltage Rating: 600V AC/DC
• Current Rating: 3000A
• Dimensions: Standard Class J footprint (exact dimensions per manufacturer datasheet)
• Standards: UL 248-8, CSA C22.2 No. 248.8
• Applications: Industrial power distribution, MCCs, switchgear, transformer protection
• Weight: 11 lb
• Fuse Class: J
• Interrupting Rating: 300kA (per UL/CSA standards)

Product Identification

• UPC: 782001937669
• GTIN: 00782001937669