Mersen A4J300 - Class J Fuse 300A (200kA@600V Interrupt Rating)

Mersen A4J300 is a Class J low-voltage fuse designed for high-interrupting capacity circuit protection in industrial applications. It features a 600V AC rating with a 300A current capacity and 200kA interrupting rating at 600V for reliable short-circuit protection. The fuse measures 7.13 inches in length with a 2.13-inch diameter and 3 lb weight, constructed as a single-barrel design within the Amp-Trap product family. Compliant with industry standards for Class J fuses, it provides robust protection for motor circuits, transformers, and feeder lines in demanding environments.

Key Features & Specifications

• Type: Class J time-delay fuse, single barrel construction
• Voltage Rating: 600V AC
• Current Rating: 300A
• Dimensions: 7.13" length x 2.13" diameter
• Weight: 3 lb
• Standards: Meets Class J fuse requirements
• Applications: Motor protection, transformers, feeder circuits
• AIC rating: 200kA@600V
• Family: Amp-Trap
• Country of Origin: Mexico

Product Identification

• UPC: 782001960414
• GTIN: 00782001960414