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