The zinc oxide arrester is the most advanced over-voltage protector in the world, Due to make the risistor disc of core componet mainly adopt zine oxide arrester. Compared with the conventional silicon carbide arrester, this presciption of the product improves gr-eatly the volt-Ampere characterisics of the resistor disc and increased through-current capability at over-voltage so as to dring a rad-ical changes for the characteristics of the arresters.
Usual Service Condition
Power frequency:48Hz ~60Hz Ambient temperature:-40°C~+40°C Maximum wind speed: not exceed 35m/s Altitude: not exceed 2000m Earthquake intensity: not exceed 8 degrees Ice thickness: not exceed 10 meters. Long-term applying voltage does not exceed the maximum coutinuous operating voltage.