Square D,STARTER MOTOR CONTROL <1000VAC,0,120VAC - Control 480VAC - Line,18 A,3 phases,3-Pole,3HP@200/230VAC - 5HP@460/575VAC,600 V AC,NEMA 1 painted sheet steel,S,Screw Clamp,UL Listed - CSA Certified,Used for Full-Voltage Starting and Stopping of AC Squirrel Cage Motors,melting alloy 3,starter