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Do Better Performances in Demanding Duties
Yueqing Aiso gain client trust thanks to their proven reputation for reliability, performance and long life. 12kV 630A Fixed Type High Voltage Indoor Vacuum Circuit Breaker from Yueqing Aiso are available for original equipment manufacturers (OEM) to incorporate in their own installations or for use in repair, retrofit and upgrade projects.
Why Yueqing AIso?
1,Full engineering and technical support: 3 professional manufacturers, and technical service team.
2,Quality is No1 ,our culture.
3,Quickly lead times:”Time is gold” for you and for us
4,30min fast response:we have professional team,7*20H
Under the circumstance of normal operating voltage, the current through the arrester is just on microampere degree, When suff-ered from over-voltage,the arrester's excellent nonlinear characteristics will make the current through the arrester incrase to several thousand amperse,while the arrester will be under the circulating state and release over-voltage energy so as to protecting the power transmission equipments against the demage caused by th over-voltage.
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.
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.
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) |
ResidualvoltagekV≥ |
2000μs square wave current impulse withstand A(crest) |
4/10μs highcurrent impulse kA(crest) |
||
|
Steep current impulse kV(crest) |
30/60μs Switching current impulse kV(crest) |
8/20μs Lightning current impulse kV(crest) |
|||||
| YH5W-21 | 21 | 17 | 66.5 | 53.9 | 63 | 100 | 65 |
