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

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

Ferraz Shawmut
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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