gw4a-凯发k8国际首页登录

1 rated voltage kv 252
           2 rated current a 2500、3150、4000
           3 rated short-time withstand current ka    50/3s
           4 rated peak withstand current ka 125
           5 rated lightning impulse withstand voltage kv across open breaks 1050 200
           to earth 1050                                                                                                                         6 rated 1min power frequency
           withstand voltage kv across open breaks 460 145
           to earth 460