This device is designed and manufactured by adopting the latest high-frequency inverter technology and international

high-quality elements, owning such features as high efficiency, energy conservation, small volume, excellent welding

performance, etc. It is the preferred product, which is advocated to substitute for conventional welder in china.
This series welder is applicable for welding with DC hand coated electrode and can easily generate the arc by striking for air weld.400A~630A welder is also used for carbon arc air gouging.
In addition ,this is an efficient and energy-saving product, of which the efficiency is up to 85%through 92%(subject to different

 operating conditions),and the power factor COS up to 0.95.