The Cooper Bussmann FRN series 50 amp Brass Time-Delay Cartridge Fuses feature dual elements with time delays and are current limiting at 10 seconds (minimum) at 500 percent rated amp. The UL-listed cartridges are designed for use in power panel-boards, motor-control centers, combination starters and machinery disconnects.
For use in power panel-boards, motor-control centers, combination starters and machinery disconnects
Class RK5
Current limiting 10 seconds (minimum) at 500 percent rated amp s