1.Protecting equipment in AC power stystem from HV and over-volt operation. 2.the most advanced over-volt protector in world Features Specifications: surge  Arrester

Certification: KEMA, ISO9001

Type: zinc oxide arrester Specifications: 1) MOA rated voltage: 33KV2) MCOV: 27.5KV 3) Power frequency discharge voltage: 56KV4) 1.2/50μs impulse discharge voltage: 99KV5) 8/20μs lightning current impulse: 99KV6) 2ms rectangular current impulse withstand: 100A7) 4/10μs high current impulse withstand: 65KA 

porcelain surge arrestor