Condition of Use Ambient air temperature within the range of -40℃ to +40℃; Altitude above sea level not exceeding2,000m; Frequency of the A.C. power supply being 50Hz or 60Hz; Power frequency voltage applied continuously between the terminals of the arrester not exceeding its continuous operating voltage. Maximum wind speed not exceeding 35m/s: The earthquake intensity not exceeding 7 degrees.

Electric parameter:Rated voltage:12KV-24kV-36kV Rated current:630A-1250A Power frequency withstand:42/65/95KV Lighting impluse withstand voltage:95/150/215kV Short circuit withstand:20/25kA

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