This range of arc welders from sip have an infinitely variable step less output giving superb versatility plus an electrode to power gauge which enables rapid setting of output current key features230v 13amp supply16mm 32mm maximum electrode size40amps to 140amps peak current range15mm 50mm approx weld thickness mild steel accessories included 20m welding cable and electrode holder 20m earth cableclamp handheld face shield and chipping hammer specifications supply230v 13amp electrode size16