Schneider Electric's Square D 9003K4Y rotary cam switch is a 3-phase control device designed for on/off switching of motor circuits in industrial environments. It is rated for 63 A at up to 660 V and supports up to 20 HP motors, providing cam-switch action for load switching in electrical control circuits. As part of the 9003K family, the 9003K4Y is intended for use when dependable manual control of three-phase loads in electrical control panels is required.
