Lightning Arrester

Type: Lightning Arrester (zinc oxide arrester) They are mainly used to keep the amplitude of lighting impulse withstand voltage and switching impulse withstand voltage to the prescribed level. Specifications: 1) Arrester nominal current: 5KA/10KA 2) 2ms rectangular current impulse withstand: 150A/250A 3) 4/10μs high current impulse withstand: 65kA/100kA 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.