... Arc Height Controller, assistant welding machine, can use for Welding Trolley (Welding Carriage, Welding Tractor). Below is introduction. 1. FunctionsThis system ... WeldingMig/Mag, Tig, CO2Driving MotorHigh-Quality DC MotorInput PowerAC100~240V Single-Phase,50/60HZ,2AStandard ConfigurationController + Sliding Plate + Sensor (Built inside ...