... used in AC 50HZ, 60HZ, 380V and DC 220V control circuit, Controls the ho This control unit is mainly used in AC 50HZ ... , 60HZ, 380V and DC 220V control circuit, Controls the hoist crane carrier and starting, timing, commutating ... , braking the motors in the similar electricity control device The crane linkage controller DQT1 series is a device ...