Square D,CONTACTOR 600VAC 30AMP DPA +OPTIONS,277VAC@60Hz,3-Phase,4-Pole,Definite Purpose Contactor,Ideal for heating, air conditioning, refrigeration, data processing and food service equipment.,Panel,Quick Connect/Binder Head Screw,Substitute 2 NORMALLY CLOSED power poles for 2 NORMALLY OPEN power poles,UL Recognized - CSA Certified - CE Marked