21kv 5kA Distribution metal Oxide Surge Arrester
The Zinc Oxide lightning arrester protects the electrical equipments in AC power systems against being damaged by atmos-pheric over-voltage and operational over-voltage.Main Tachnical ParameterTypeRated Voltage
(kV)(rms)Maximun
Continuous
Operating
Voltage (kV)(rms)Max. Residual Voltage2000μs Square Wave Current Impulse Withstand (A) (crest)4/10µ s High
current impulse
withstand(kA)Steep Current Impulse (kv)30/60µ s
Switching
current
impulse (kv)8/20µ s
Lightning
current
impulse (kv)YH5W-332.559.57.7910065YH5W-665.119.015.41810065YH5W-997.6528.523.12710065YH5W-10108.336.027.03010065YH5W-11119.538.530.03310065YH5W-121210.238.030.83610065YH5W-151512.747.538.54510065YH5W-181815.357.046.25410065YH5W-212117.066.553.96310065YH5W-242419.576.061.67210065YH5W-272721.985.569.38110065YH5W-303024.495.076.59010065YH5W-333326.8104.084.79910065YH5W-363629.0114.092.710810065YH5W-424234.1132.3100.112610065
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