Definite Purpose Control - Contactor, 3 Poles, 40 A, 24 V Ac, 40 A Resistive Load, 1/3 Phases, 7-1/2 HP (Single Phase);10 HP (Three Phase);5.5 KW (Single Phase);7.5 KW (Three Phase) Motor Power, 15 to 50 A Frame, Quick Connect Terminal Connection, -13 °F Operating Temperature, +158 °F Operating Temperature, Din Rail Mount, 50 to 60 HZ, 3.75 In Overall Height, 3.35 In Overall Length, 2.40 In Overall Width, 1.05 LB