Mainly used to protect distribution transformers, cable connectors and electric equipment from being damaged by lightning impulse or over-voltage operation Type: zinc oxide arrester Specifications: 1) MOA rated voltage: 10KV 2) MCOV: 8.4KV 3) Power frequency discharge voltage: 18KV 4) 1.2/50μs impulse discharge voltage: 30KV 5) 8/20μs lightning current impulse: 30KV 6) 2ms rectangular current impulse withstand: 100A 7) 4/10μs high current impulse withstand: 65KA