11kV Surge Arresters polyer housing Znic Oxide ZnO Introduction of
arresters 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.Surge arrester is mainly used
to protect distribution transformer, cable connector and
electric equipment from being damaged by lighting impulse
voltage and operated over-voltage. Technical Parameter
Rated voltage 12KV12kvNominal discharge
current10kA5kARated AC system
frequency50/60Hz50/60HzContinuous operating voltage
/MCOV 7.65kV7.65kV1/4μs steep current impulse
(crest)42.2kV40kV8/20
μs Lighting impulse residual voltage(crest)36kV36kV30/60
μs Swithcing current impulse 27kV27kV2ms
Rectangular current withstand 250A150A4/10 μs
High current impulse
withstand(crest)100kA65kALeakage/creepage distance365mm365mm
Normal service conditions: 1.The ambient temperature:
-40°C ~+40°C2.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 :lower than 35m/s.5.The filthy area should be given
clear indication.Company Introcution: We'are manufacturer in
Zhejiang Province of China for the High voltage electrical
apparatus for over 20 years! Our main products are :Fuse
cutoutLightning arresterInsulatorDisconnecting switchElectrical
fitting parts What we can do special for you:Samples are
available for standard types.No minimum order qty for our
products.Sales for spare parts are available.Design new types and
customized according to your drawing.Good technical support after
sale during the product in service.Factory developing each year for
our customers. /* January 22, 2024 19:08:37
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a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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