IGBT module inverter technology. Soft switching technology Excellent welding quality, optimum arc dynamic characteristics. Suitable for all acid, basic, stainless, low hydrogen electrodes. Suitable for up to 6.3 mm electrodes Generator compatibility International standards IEC 60974-1 SPECIFICATIONS Adjustable Hot start Adjustable Arc force/Arc gouging (ARC630) Lift-arc TIG O.C. & O.H. protection Digital Current & Voltage Meter VRD on off selector switch with indicator Cable Remote Control Selector Switch for MMA & ARC Gouging (ARC 630)