Mersen A4BY4000 - Class L Fuse 4000A (200kA@600V AIC)

Mersen A4BY4000 is a Class L low-voltage current-limiting fuse designed for high-amperage circuit protection in industrial power distribution systems. This 4000A rated fuse operates at 600V AC with an impressive 200kA interrupting capacity, providing reliable short-circuit protection. Constructed as a single-barrel design with a 5.75-inch diameter and weighing 30 lb, the fuse features robust construction suitable for demanding environments. The AKR Series fuse complies with industry standards for Class L fuses, ensuring proper coordination with electrical distribution equipment. Typical applications include service entrance equipment, main disconnects, and industrial power centers where high fault current protection is critical.

Key Features & Specifications

• Type: Class L current-limiting fuse, single barrel design
• Voltage Rating: 600V AC
• Current Rating: 4000A
• Dimensions: 5.75-inch diameter
• Standards: Class L fuse specifications
• Applications: Industrial power distribution, service entrance equipment, main disconnects
• AIC rating: 200kA@600V
• Class Rating: L
• Barrels: 1
• Weight: 30 lb

Product Identification

• UPC: 782001939298
• GTIN: 00782001939298