Mersen A4BY3000-55BA - Low Voltage Fuse 600V/3000A (UL 248, IEC 60269)

Mersen A4BY3000-55BA 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 operation with a 3000A interrupting capacity, this compact fuse features a robust ceramic body construction with precision-engineered silver elements for reliable fault interruption. It complies with UL 248 and IEC 60269 standards, ensuring compatibility with switchgear and motor control centers. The 11 lb unit is commonly deployed in heavy industrial applications requiring fast-acting short-circuit protection for transformers, busways, and feeder circuits.

Key Features & Specifications

• Type: A4BY current-limiting fuse with ceramic body and silver element
• Voltage Rating: 600V AC/DC
• Current Rating: 3000A
• Standards: UL 248, IEC 60269
• Applications: Industrial power distribution, switchgear, motor control centers
• Weight: 11 lb
• Family: Amp-Trap
• Item Subcategory: Low Voltage Fuse

Product Identification

• UPC: 782001938567
• GTIN: 00782001938567