COMB Starter Circuit Breaker, Size 1, 480V 60 Hz, NEMA 3R/7/9 Bolted, 7.5HP (Mtr Prt), 100A (Fdr Prt), Instantaneous Trip – Standard, Aux Contact (Str, DS or CB), Breather, 440/480 VAC – 50/60Hz, Eutectic Overload, No Fuse Cover, No Auxililiary Contacts – 513-BHB-40-136-988