Cutler Hammer A2K450R - RK1 Class Fuse 400A (200kA AIC @ 250V)

The Cutler Hammer A2K450R is a current-limiting, time-delay fuse designed to provide reliable overcurrent protection for industrial electrical systems. It features a 400A current rating and a 250V AC voltage rating, ensuring robust performance in demanding applications. The fuse is constructed as a single-barrel unit with a 2.06-inch diameter and a weight of 4 lb, built for durability. It complies with the RK1 class rating and offers a high 200kA interrupting capacity at 250V AC, meeting stringent industry standards for safety and performance. This fuse is typically applied in motor branch circuits, feeders, and other equipment requiring high-interrupting capacity protection.

Key Features & Specifications

• Type: Current-limiting, time-delay fuse, single barrel
• Voltage Rating: 250V AC
• Current Rating: 400A
• Dimensions: 2.06-inch diameter
• Standards: Class RK1
• Applications: Motor branch circuits, feeders, industrial equipment protection
• AIC rating: 200kA @ 250V AC
• Weight: 4 lb
• Family: A2K-R Series