Cutler Hammer A4J400 - Class J Fuse 400A (200kA AIC @600V)

Cutler Hammer A4J400 is a low voltage current-limiting fuse designed for industrial circuit protection applications. This Class J fuse provides 400A current protection with a 600V AC voltage rating and features a 200kA interrupting capacity at 600V for reliable fault current interruption. The single-barrel construction measures 7.13 inches in length with a 2.13-inch diameter and weighs 3 lb, built to withstand demanding industrial environments. As part of Eaton's Amp-Trap family, this fuse meets industry standards for current-limiting protection in electrical distribution systems. Typical applications include motor branch circuits, feeder circuits, and industrial control panels where high interrupting capacity and current limitation are required.

Key Features & Specifications

• Type: Class J current-limiting fuse, single barrel construction
• Voltage Rating: 600V AC
• Current Rating: 400A
• Dimensions: 7.13 inches length, 2.13 inches diameter
• Standards: Industrial current-limiting fuse standards
• Applications: Motor branch circuits, feeder circuits, industrial control panels
• AIC rating: 200kA@600V
• Class Rating: J
• Barrels: 1
• Weight: 3 lb
• Family: Amp-Trap
• Item Subcategory: Low Voltage Fuse

Product Identification

• UPC: 782001960452
• GTIN: 00782001960452