item                                                            MMA-75
input vpltage                                              230
non-load voltage                                        76
current arrange                                         20-75
rated duty cycle                                        35% 75A 60% 57
input capacity                                              2.2
class of insulation                                      H
applied welding rodm(mm)                   1.6-2.0
fuse                                                              15
case protection degree                          IP21S
frequency                                                     50/60
arc-strating                                                  0.93
efficiency                                                      85
weight                                                            8
external dimension(cm)                         41*23.5*30