Mersen TR10R Tri-Onic Fuse (Pack of 2) From the ManufacturerMersen A2D400R 250V

From the ManufacturerMersen A2D400R 250V 400A Rk1 Time Delay Fuse

AIR Rating: 65 kAMounting: Bolt onAC Voltage Rating: 480VACNumber of Poles: 3Width: 3

and control panels

HACR rated circuit breaker offers plug-in mounting

4 to 4/0 AWG Wire

Mersen TR10R Tri-Onic Fuse (Pack of 2) From the ManufacturerMersen A2D400R 250VTri Onic TR R current limiting time delay fuses are engineered for overcurrent protection of motors, transformers, service entrance equipment, feeders, and branch circuits. The time delay characteristics of the TR R safely handle harmless starting currents and inrush currents associated with today's motors and transformers.