September 2011- The Thermal Arc 201 TS portable welder, which completes the DC welder series that includes the 95 S, 161 S and 161 STL, is designed to provide increased power and control. It delivers 100 amps on standard 115-volt circuits for stick welding, 150 amps for TIG and a maximum output of 200 amps when used on 208/230-volt circuits for either welding process.