Product Description48kv High Voltage Metal Gapless Lightning
ArresterNormal service conditions: 1.The ambient
temperature: -40°C ~+40°C 2.The altitude above sea level :not
exceed 1000-2000m (the altiplano area should be indicated when
order) 3.Earthquake intensity: not higher than 7
degrees; 4.Maximum wind velocity :less than
35m/s. 5.The filthy area should be given clear
indication. Feature: The zinc oxide surge arrester is
the most advanced over-voltage protector in the world.
Due to make the resistor disc of core component mainly adopt zinc
oxide arrester. Compared with the conventional siliconcarbide
arrester, this prescription of the product improves greatly the
volt-ampere characteristics of the resistor disc and increase
through- current capability at over-voltage so as to bring a rad
local-changes for the characteristics of the arresters.Technical
Parameters:DescriptionUnitValue. Rated voltageKV48 Nominal
discharge currentKA10 Rated AC system frequencyHz50 /
60 Continuous operating voltage(rms)KV39 1/4μs
steep current impulse
(crest)KV100 8/20us Lighting impulse residual voltage(crest)KV139 30/60us Swithcing current impulse KV115 Rectangular current withstand 2msA500 4/10us
High current impulse
withstand(crest)KA100 Leakage/Creepage Distancemm1280/*
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