Series CA7 Contactor 2 HP @ 115V 1PH, 3 HP @ 230V 1PH, 5 HP @ 200V 3PH, 7-1/2 HP @ 230V 3PH, 15 HP @ 460V 3PH, 15 HP @ 575V 3PH. Auxiliary Contacts per Contactor: NO - 1, NC - 0. Coil Voltage Range: 110V @ 50 Hz, 120V @ 60 Hz