Check the listing for details. 380V 4KW 5HP 3 Phase Magnetic Starter for Air Compressor Magnetic Switch. Condition: New. Listed at 39.58 USD. Magnetic StarterWhy Choose This:★Material: The magnetic starter is made of steel housing and a durable contactor, air compressor magnetic starter control with an On/Off button including a push button and On-Off switch rubber grommets.★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.★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.★Strong Function: Great powerful, built-in overload protection, and protection, intelligent protection, stable performance, and 24-hour motor protection.