1. The shell is pressed and formed with high-strength aluminum alloy, and the surface is sprayed with high-speed shot blasting and electrostatically sprayed. The outer casing structure is compact, the material density is high, the strength is good, and the explosion-proof performance is excellent.

2. It can be equipped with indicator light, ammeter, voltmeter, button, switch and other components required by the user (potentiometer, frequency meter, tachometer, etc.)

3. There are more than 30 transfer switch functions, which are selected by the user.

4. The ammeter and voltmeter range are determined by the user.

5. Can be customized according to user requirements.