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: 30kV 2) MCOV: 24.4kV 3) 1/4μs steep current impulse: 102kV 4) 8/20μs lightning current impulse: 90kV 5) 30/60μs switching current impulse: 79kV 6) 2ms rectangular current impulse withstand: 150A 7) 4/10μs high current impulse withstand: 65kA