1. IGBT module, high efficiency, high power utilization. 2. High welding quality, deep molten pool and strong strength 1. IGBT module, high efficiency, high power utilization.2. High welding quality, deep molten pool and strong strength.3. Less splash, good welding surface, low noise. ITEMZX7-315ZX7-400ZX7-500ZX7-630Power voltage/frequencyThree phase380v±10%50HzThree phase380v±10%50HzThree ...