Portable steel butt welding machine[IGBT]

◆Use IGBT high power module and full-bridge inverter main circult structure;the main engine with superior resistance to overloads and with outstanding welding performance;the welding machines with over 501A can be used as an ideal carbon arc air gouging power source.◆Core control chip is the new-style current pulse with nodulator;double loop feedback control;the more excellent static and dynamic characteristics;the smaller current drift.◆ The digital table can preset welding current and the accruacy is ≤±1A ◆ With the arc force adjustment function,and adapt to all grades of welding electrodes.
◆The power factor is 0.98;the power consumption with no-load is less than 100W;it can save above 50% energy more than ordinary welding machines.
◆Short-circuit protection function and the special standby operating circuit; it will not damage the welding machine's life while no-load, and the whole welding machine's life is one time longer than similar products.

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