Product description
Product DescriptionStandards: IEC 60099-4 The ambient air themperatures is no higher than +40° C, no lower than-40° C. The altitude above sea level dose not exceed 2000m. AC system frequency is 50Hz or 60Hz. AC voltage brought to bear on arrester for a long time dose not exceed arrester's continuous operating voltage. Maximum wind speed dose not exceed 35m/s. The earthquake intensity dose not exceed 7 degrees.