Westinghouse 565C990A18 - Medium Voltage Fuse 5080V/150A (Class R Ferrule Connection)

Westinghouse 565C990A18 is a medium-voltage fuse designed for high-voltage circuit protection in industrial power systems. This Class R fuse features a 5080V voltage rating and 150A current rating, housed in a durable ferrule-connected barrel construction with a 3-inch diameter and 14-inch clip center spacing. The 7 lb unit meets industry standards for medium-voltage applications, providing reliable overcurrent protection in utility substations, industrial switchgear, and heavy equipment power distribution systems.

Key Features & Specifications

• Type: Medium-voltage current-limiting fuse with Class R rejection feature
• Voltage Rating: 5080V AC
• Current Rating: 150A
• Dimensions: 3" diameter, 14" clip center spacing
• Standards: ANSI/IEEE C37.40-2003 for medium-voltage fuses
• Applications: Industrial power distribution, substation protection, motor control centers
• Connection: Ferrule
• Barrels: 1
• Weight: 7 lb
• Class Rating: R