Mersen A4J450 - Class J Fuse 450A (200kA@600V Interrupt Rating)

Mersen A4J450 is a Class J low-voltage fuse from the Amp-Trap family, designed for high-current circuit protection in industrial applications. It features a 600V AC rating with a 450A current capacity and 200kA interrupting rating at 600V for reliable short-circuit protection. The single-barrel fuse measures 2.5 inches in diameter with a rugged construction weighing 3 lb, meeting stringent industry standards for electrical safety. UL/CSA certified, this fuse is engineered for demanding environments including motor control centers, switchgear, and power distribution systems where high fault currents may occur.

Key Features & Specifications

• Type: Class J time-delay fuse, single barrel design
• Voltage Rating: 600V AC
• Current Rating: 450A
• Dimensions: 2.5" diameter
• Standards: UL/CSA certified
• Applications: Motor protection, switchgear, power distribution
• AIC rating: 200kA@600V
• Class Rating: J
• Weight: 3 lb
• Barrels: 1

Product Identification

• UPC: 782001960476
• GTIN: 00782001960476