Welding inverters with modular power part and with digital control, providing high accuracy of the set parameters of manual arc welding, manual argon-arc welding with a non-melting electrode and mechanised welding of steels, titanium, aluminium and other alloys at a constant welding current, as well as air-arc gouging. The sources support welding of root, filling and facing layers of welded joints with controlled short circuits and pulse welding without short circuits. A combination of different welding modes is possible.
Current control range: for mechanised welding 20...650 A, for manual arc welding with covered electrode 20...500 A, for manual argon-arc welding with non-melting electrode 5...500 A. Sources with current strength of 200, 350, 400, 450, 500, 550 and 650 A are produced in series. Control tact of welding arc parameters 6,6 ?s; IP 34; SP 100% at maximum current in the range T -40 ... +40 ° C; insulation class H; efficiency 96%; supply voltage ~(400±25%) V.
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