Square D,STARTER 600VAC 90AMP NEMA +OPTIONS,25HP@200VAC - 30HP@230VAC - 50HP@460/575VAC,3,3 phases,3-Pole,480VAC@60Hz - 440VAC@50Hz,600 V AC,90 A,NEMA 4/4X brushed stainless steel,S,Screw Clamp,UL Listed - CSA Certified,Used for Full-Voltage Starting and Stopping of AC Squirrel Cage Motors,melting alloy 3,starter