Contactors - Electromechanical TeSys K contactor, 4 poles (2NO/2NC), for motor control applications up to 9A/690V AC-3 (4kWa.400V).::and for non-inductive load control applications up to 20A/690V AC-1.::It provides a 660/690V 50/60Hz AC coil, connection by screw clamp connections.