Cutler Hammer A4BQ450 - Class L Current-Limiting Fuse 450A (200kA AIC @600V)

The Cutler Hammer A4BQ450 is a Class L low-voltage current-limiting fuse designed to provide reliable overcurrent and short-circuit protection in industrial power distribution systems. It features a 600V AC voltage rating and 450A current rating with a high 200kA interrupting capacity at 600V AC for superior fault protection. The fuse construction utilizes a single-barrel design with a 2-inch diameter and weighs 3 lb, engineered for robust performance in demanding environments. This Amp-Trap 2000 series fuse meets industry standards for current-limiting protection applications. Typical applications include service entrance equipment, motor control centers, and feeder circuit protection where high fault current interruption is critical.

Key Features & Specifications

• Type: Class L low-voltage current-limiting fuse, single-barrel design
• Voltage Rating: 600V AC
• Current Rating: 450A
• Dimensions: 2-inch diameter
• Standards: Industry standard current-limiting protection
• Applications: Industrial power distribution, service entrance equipment, motor control centers, feeder circuit protection
• AIC rating: 200kA@600V AC
• Class Rating: L
• Barrels: 1
• Weight: 3 lb
• Family: Amp-Trap 2000

Product Identification

• UPC: 78200193069
• GTIN: 00782001930691