Techarc Plasma 46i These machines are robustly constructed with all internal parts mounted in such a way as to prevent damage caused by small drops, which is a common problem with many inverters. The power componants are rated to give a large margin of safety for the best reliability and importantly these machines are easy to service and always repairable should a fault develop outside warrenty. Features: Pilot arc is fitted to give the best starting and assist with cutting on painted metals, mesh or rusty materials. Infinatetly variable output current from 20-40 amps. Very high duty cycle. Very high efficiency so uses less electric than similar machines. Easy to operate, just plug in and cut. Fitted with air regulator and built in filter and water trap and pressure gauge.