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 supply16mm 25mm max electrode size20amps to 100amps peak current range15mm 50mm approx weld thickness mild steel vrd voltage reduction device high portability and lightweight thermal overload protection lift tig function included specifications supply230v 13amp open circuit voltage78v el