1.  CHARACTERS AND APPLICATION

The arc welder HM400/500, adopts IGBT element with PWM pulse modulation technology, inverts low frequency 50Hz into a high frequency 25KHz, then reduces voltage and rectifies current, outputs a high DC power soIt adopts advanced inverter technology and IGBT element urce fit for welding. It has the following significant characters:

It adopts PWM pulse modulation technology; its inverter frequency reaches 20KHz;

It is with rapid dynamic response, calm arc, perfect welding line and good welding performance;

It is visually convenient with DIGITAL DISPLAY for voltage and current. It also bears function for current pre-establishing;

The function are versatile and its welding technology is good;

Current for arc ignition is adjustable,  arc-ignition is stable and operation is very easy;

Adjustable circuit for arc thrust, it can adjust arc character according to welding need;

Over-heat, over-current and lack-voltage protection, more safe and reliable.

Application range:

Welding stainless steel,iron,carbon steel,copper,titanium etc.

Widely use for machinery,petrol,chemical,shipbuilding,vehicle,electric power and decoration etc.

IGBT Inverter DC MMA Welding Machine