YECPSD double speed 、YECPSD 3 trip-speed motor controller Control and Protective Switch General As the main circuit and contactor,electrical interlock etc,as the accessory compse of YECPS double-speed motor controller,which is suitable for control and protection of double speed motor.There are three kinds of configurations for double-speed motor controller.
1. High speed is Fire protction type( alarm only but no trip for overload, over current) . Low speed is basic type;
2. Both high and low speed are basic type;
3. Both high and low speeds are fire protection type( It shall be specified when placing order).
the product character,parameter of main circuit and accessory module are the same with that of basic type.
