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 20amp400v 10amp supply25mm 50mm maximum electrode size85amps to 250amps peak current range20mm 90mm approx weld thickness mild steel accessories include 20m welding cable and electrode holder 20m earth cableclamp handheld face shield and chipping hammer wheel mounted specifications supply230v