Mersen A4J45 - Class J Fuse 45A 600V (200kA AIC)

Mersen A4J45 is a Class J low-voltage fuse designed for circuit protection in industrial applications. It features a 600V AC rating with a 45A current capacity and a high interrupting rating of 200kA at 600V for reliable short-circuit protection. The compact ferrule-connected fuse measures 2.38 inches in length with a 1.06-inch diameter, constructed to UL/CSA standards for safety compliance. Its Amp-Trap design provides fast-acting protection against overloads and short circuits, making it suitable for motor branch circuits, transformers, and power distribution panels.

Key Features & Specifications

• Type: Class J time-delay fuse, ferrule connection
• Voltage: 600V AC
• Current: 45A
• Dimensions: 2.38 in length x 1.06 in diameter
• Weight: 0.17 lb
• Standards: UL/CSA listed
• Applications: Motor circuits, transformers, panel protection
• AIC rating: 200kA@600V
• Connection: Ferrule
• Barrels: 1
• Class Rating: J

Product Identification

• UPC: 782001960230
• GTIN: 00782001960230