Square D,2SPEED STARTER 600VAC 45A NEMA,2,2 speed, constant or variable torque motors,24 V AC 60 Hz,25 hp 460/575 V AC 3 phases-10 hp 200 V AC 3 phases-15 hp 230 V AC 3 phases,3 phases,3P,CSA, UL listed,Open Device,Screw clamp terminals,Starter,melting alloy,open box