COMB Starter Circuit Breaker,Size 3,480V 60 Hz,NEMA 4/4X Stainless Steel,50HP (Mtr Prt), 275A (Fdr Prt),Instantaneous Trip Standard,START STOP Push Button,440/480 VAC 50/60Hz,SMP1,E1+,MRst,Cl20,66 110A,No Fuse Cover,No Auxililiary Contacts,Standard Capacity,Ungrounded Transformer,Incandescent,Incandescent,No Pilot Light Lens Pos. 3,No Pilot Light Lens Pos. 3,No Pilot Light Lens Pos. 4,No Pilot Light Lens Pos. 4,No Pilot Light Lens Pos. 5,No Pilot Light Lens Pos. 5