FED W-C-375/7B

FED W-C-375/7B CIRCUIT BREAKERS, MOLDED CASE, BRANCH CIRCUIT AND SERVICE, TYPE I, SERIES TRIP, THREE POLE (15 THROUGH 100 AMPERES) (SUPERSEDING W-C-375/7A) (S/S BY W-C-375/7C)

standard by Federal Specifications and Standards, 12/13/1991