1 Rated voltage kV 363
           2 Rated current A 3150、5000
           3 Rated short-time withstand current kA    50/3s、63/3s
           4 Rated peak withstand current kA 125、160
           5 Rated lightning impulse withstand voltage kV Across open breaks1175+295
           To earth 1175                                                                                                                       6 Rated 1min power frequency
           withstand voltage kV Across open breaks 510+(210)
           To earth 510
           8 Rated switching impulse
           withstand voltage kV Across open breaks 850+295
           To earth 950