Check the listing for details. 3 Phase Electrical Switch Box 380V 4KW 5HP Magnetic Electric Motor Starter. Condition: New. Listed at 37.38 USD. Electrical Switch BoxGeneral Information：[1]Application: The three phase magnetic switch box suitable for all air compressor and water applications, as well as motor start-up control occasion, such as textile machinery, drilling, table saws and other mechanical equipment.[2]Strong Function: Great powerful, built-in overload protection, and protection, intelligent protection, stable performance, and 24-hour motor protection.[3]Easy to Use: Features color-coded ON/OFF push-button control, this electrical switch box directly controls your motor's power while also providing protection from workshop dust.[4]Installation: Steel housing with four 3/4" punch out holes for input and output wires. Includes three rubber grommets for the 3/4" holes to protect connecting wires.