... , strong output plasma arc, durable, DC air plasma cutting tools LG-120 Features of DC air plasma cutting tools LG-120:1 ... precision constant current feedback control technology, soft switch, DC output, 100 kHz of inverter frequency;2. Wide working voltage range, strong ... cutting torch, earth clamp, compressed air regulator, etc. Parameters of DC air plasma cutting tools LG-120: ModelSpec.LG-120 1 ...