Eaton Cooper Power series current limiting backup fuse, Under oil, 8.3 kV, 3.0 inch diameter, Distribution C, 250A, 50 kA max interrupt current, 1000A min interrupt current, ELSP, 1/4-20 threaded hole both sides
Fuse
CBUC08250D100 Cooper 8.3kv current limiting backup fuse
Eaton Cooper Power series current limiting backup fuse