Square D,STARTER 600VAC 90AMP NEMA +OPTIONS,120VAC@60Hz - 110VAC@50Hz,25HP@200VAC - 30HP@230VAC - 50HP@460/575VAC,3,3-Phase,3P,600VAC,90 A,Box Lug,Non-Reversing Starter,Open,S,UL Listed - CSA Certified,Used for Full-Voltage Starting and Stopping of AC Squirrel Cage Motors,melting alloy 3