Square D,STARTER 600VAC 18AMP NEMA +OPTIONS,0,18 A,240VAC@60Hz - 220VAC@50Hz,3-Phase,3HP@200/230VAC - 5HP@460/575VAC,3P,600VAC,NEMA 1,Non-Reversing Starter,S,Screw Clamp,UL Listed - CSA Certified,Used for Full-Voltage Starting and Stopping of AC Squirrel Cage Motors,melting alloy 3