work with the robot. four functions: manual, argon arc, gas protective, single pulse gas protective welding. Four-functions digital inverter welding machinework with the robot.four functions: manual, argon arc, gas protective, single pulse gas protective welding.Input: AC380V, 50/60HzRated Input Capacity: 22KVAOutput current: 20-500ARated output voltage: 10-50VPower factor: 0.98Efficiency: 88% ...