110KV/220KV/500KV High Voltage Arresters

1.General Description

Oxide Arresters are used to protect electrical equipment against damage from over voltage, atmospherical lightning, system over-voltage, circuit switching, etc.

Gapless Oxide Arresters have an excellent characteristic of pollution tolerant. Min. creepage distance of porcelain house of the arresters manufactured by our factory are listed below


II grade Medium polluted area Creepage Ratio:20mm/kV
III grade Seriously polluted area Creepage Ratio:25mm/kV
IV grade Very seriously polluted area Creepage Ratio:31mm/kV
<=110kV            <= 220kV            <=500kV            
 
 


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