Square D,STARTER 600VAC 27AMP NEMA +OPTIONS,1,3,10 hp 460/575 V AC 3 phases-7.5 hp 230 V AC 3 phases-7.5 hp 200 V AC 3 phases,120VAC@60Hz - 110VAC@50Hz,3-Phase,3-Pole,600VAC,NEMA 7/9,Screw Clamp,UL Listed - CSA Certified,Used for Full-Voltage Starting and Stopping of AC Squirrel Cage Motors,melting alloy,motor starter,open box