... (Hp/rpm): 6/3000 6.6/3600 4.Structure type: Open frame ModelSCD6500EWRated frequency (Hz)50 / 60Rated power (kW)4.5 ... , 110/220, 115/230, 120/240Rated current (A)40.9/20.4, 39.1/19.5, 37.5/18.7, 45 ... .4/22.7, 43.4/21.7, 41.6/20.8No. of phaseSinglePower factor (cosΦ)1Welding voltage at zero load ...