A variety of shell materials are available, including:

• High strength aluminium alloy with electrostatic spraying after highly shot blasting and cleaning.

• Glass fibre reinforced polyester resin.

• Stainless steel.

Shell structure is compact and reasonable, good strength, excellent explosion-proof performance, good anti-corrosion performance, neat appearance, beautiful and generous.

Inside can be equipped with indicators, ammeter, voltmeter, buttons, transfer switch and other components required by the user (potentiometer, frequency meter, tachometer, etc.).

Functional options tailored to the user, easy to operate, strong applicability.