Square D,MANUAL STARTER 277VAC F +OPTIONS,1 hp 277 V AC-0.75 hp 115 V DC-0.75 hp 230 V DC-1 hp 230 V AC-1 hp 115 V AC,1 phase,16 A,230 V DC-277 V AC,2P,CE, CSA, UL listed,Duplex Unit Manual Starter,F,Manual,NEMA 1 plastic standard size,Non reversing,Screw clamp terminals