These multi functional arctig inverters from sip are equipped with a voltage reduction device lift tig start function anti stick circuitry and dinse sockets supplied with accessories key features230v 13amp supply15mm 50mm max electrode size20amps to 200amps peak current range15mm 90mm approx weld thickness mild steel vrd voltage reduction device high portability and lightweight thermal overload protection lift tig function included specifications supply230v 20amp open circuit voltage72v el