The smallest portable DC manual arc welding machine

?Use high power discrete IGBT, and can constantly weld welding rods with F4.
?It can start weld under the lowest voltage 120v, and 380v will be not upload.
?It use the VRD function to forfend the electric shock under the damp environment.
?80% of components are imported to insure that it can be up the design requirement.
?It use the proprietary main circuit protective cover.
The smallest portable DC manual arc welding machine