... Hz)50/6050/60 Rated output voltang(V)5252 Output current range(A)20-20020-250 Power factor0.930.93 No ... -load loss(W)4040 Duty cycle(%)6060 Rated input current(A)2428 Protection classIP21SIP21S Insulation classFF Efficiency(%)8080 Electrode(mm ... , good porce adjustment.-Good welding current, low welding spatter.-Protection for over voltage, over current.-Applicable for various acid and basic ...