Polymeric Lightning Arrester

Type: Polymeric Lightning Arrester (zinc oxide arrester)YH5W-9 is mainly used to keep the amplitude of lighting impulse withstand voltage and switching impulse withstand voltage to the prescribed level. Specifications: 1) MOA rated voltage: 9kV 2) MCOV: 7.65kV3) Arrester nominal current: 5KA 4) 1/4μs steep current impulse: 33.7kV 5) 8/20μs lightning current impulse: 27kV 6) 30/60μs switching current impulse: 23.8kV 7) 2ms rectangular current impulse withstand: 150A 8) 4/10μs high current impulse withstand: 65kA Condition of Use:1. Ambient air temperature within the range of -40 Celsius degree to +40 Celsius degree;2. Altitude above sea level not exceeding 2,000m;3. Frequency of the A.C. power supply being 50Hz or 60Hz;4. Power frequency voltage applied continuously between the terminals of the arrester not exceeding its continuous operating voltage;5. Maximum wind speed not exceeding 35m/s;6. The earthquake intensity not exceeding 7 degrees.Technical Standard:Confirmed to IEC60099-4.