Product Introduction:
ZX7-III control board, combining the functions of IGBT drive and control, applies to electrode coating, acid and alkaline electrode, gouging welding machine and steel bar butt welding machine. The board is small-size, low-cost and easy to use with high integration and few peripheral leads, which has functions of preset current, arc force current and thermal protection. Its performance is stable, and it is integrated with hard-switching 3846 drive system and current and voltage loop control system. The primary current can be detected pulse by pulse and the board has the function of over-current protection. It applies to 315A-630A ZX7 series welding machine.
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