Bussmann KWS-R-90 - RK1 Class Fuse 90A 600V (200kA AIC)

Bussmann KWS-R-90 is a current-limiting fuse designed for industrial circuit protection applications requiring high interrupting capacity. This RK1 class fuse features a 90A current rating and 600V voltage rating with an impressive 200kA interrupting capacity at 600V AC. The single-barrel construction measures 1.34 inches in diameter and weighs 7 lb, built with robust materials for reliable performance in demanding environments. It complies with industry standards for low-voltage protection systems and is typically deployed in motor control centers, industrial panels, and power distribution equipment where high fault current protection is critical.

Key Features & Specifications

• Type: Current-limiting time-delay fuse, RK1 class, single barrel construction
• Voltage Rating: 600V AC
• Current Rating: 90A
• Dimensions: 1.34 inches diameter
• Standards: Industrial low voltage protection standards
• Applications: Motor control centers, industrial panels, power distribution systems
• AIC rating: 200kA@600V
• Class Rating: RK1
• Barrels: 1
• Weight: 7 lb
• Family: LIMITRON