... Weight, easy to carry.Stable and reliable welding current ItemTIG-140ATIG-160ATIG-180ATIG-200ATIG-250AInput voltage(V) ... .93No-load loss(W)4040404040Duty cycle(%)6060606060Rated input current(A)1214.317.620.523.5Protection classIP21SIP21SIP21SIP21SIP21SInsulation classFFFFFEfficiency(%) ... Weight, easy to carry.-Stable and reliable welding current.-Low No-load loss, low energy consumption -Applicable ...