Electrical equipment 9kV polymeric lightning surge arrester with price list

Electrical equipment 9kV polymeric lightning surge arrester with price list

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The zinc oxide arrester is the most advanced over-voltage protector in the world,Due to make the risistor disc of core componet mainly adopt zine oxide arrester.Compared with the conventional silicon carbide arrester, this presciption of the product improves gr-eatly the volt-Ampere characterisics of the resistor disc and increased through-current capability at over-voltage so as to dring a rad-ical changes for the characteristics of the arresters.

 

Surge Arrester Lightning Usage & Feature

The Zinc Oxide lighting arrester protects the electrical equipments in AC power systems against being damaged by atmos-pheric over-voltage and operational over-voltage.

Lightning Arrester Product characteristic

1.Small size,Light weight,resistance to impact,no collision damage during transportation,flexible installation,suitable for use inthe switch cabin.2.Special structure,the overall compression molding,no air gap,good sealing performance,moisture-proofand explosion-proof3.Large creepage distance,good hydrophobicity,strong stain resistance,stable performance and reduceoperation maintenance.4.Unique formula of zinc oxide varistor, small leakage current,slow aging,long service life.

5.With DC reference voltage,rectangular flow capacity and high current and large current withstand capacity are higher than standard requirement.

Usual Service Condition

Power frequency:48Hz ~60HzAmbient temperature:-40°C~+40°CMaximum wind speed: not exceed 35m/sAltitude: not exceed 2000mEarthquake intensity: not exceed 8 degreesIce thickness: not exceed 10 meters.Long-term applying voltage does not exceed the maximum coutinuous operating voltage.

 

Main Technical Parameters

Type

Rated

voltage

kV(rms)

Maximurn

continous

operation

voltage

kV(rms)

Max.Residualvoltage

2000μs

square

wavecurrent

impulsewithstand

A(crest)

4/10μs

highcurrent

impulsekA

(crest)

Steep

current

impulse

kV(crest)

30/60μs

Switching

currentimpulse

kV(crest)

8/20μs

Lightning

current

impulse

kV(crest)

YH10W-9 9 7.7 28.5 23.1 27 250 100

sas 212 wqw

Service Environment

 24kv Indoor Combined Electric Grounding Switch Earthing Switch for Switchgear

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