gw□-凯发k8旗舰厅手机下载

1 rated voltage kv 550                                                                                                          2 rated current a 4000
           3 rated short-time withstand current ka    63/3s
           4 rated peak withstand current ka 160
           5 rated lightning impulse withstand voltage kv across open breaks 1675 450
           to earth 1675                                                                                                                        6 rated 1min power frequency
           withstand voltage kv across open breaks 740 315    to earth 740
           7 rated switching impulse
           withstand voltage kv across open breaks 1175 450
           to earth 1300