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KYN61-40.5 AC Metal-clad Withdrawable Switchgear

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KYN61-40.5 AC Metal-clad Withdrawable Switchgear

Product Introduction

KYN61-40.5 AC metal-clad withdrawable switchgear (hereinafter referred toas switchgear) is three-phase AC, 50Hz, rated voltage 40.5kV indoor powerdistribution device. lt is used for power plants, substations and industrial andmining enterprises to receive and distribute electricity, it can control, protectand detect circuits, and can also be used in places with frequent operations.

Product Image

KYN61-40.5 AC Metal-clad Withdrawable Switchgear0
Features
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Ambient temperature
The max. temperature is +40℃, and the averagetemperature measured within 24 hours should not exceed 35'℃, and the min.temperatureis -10℃
Altitude
The elevation should be no higher than 1000m.
Relative humidity
The daily average humidity should not exceed 95%, and themonthly average humidity should not exceed 90%.
Earthquake intensity
≤ 8 degree.
Water vapor pressure
The daily average pressure should not exceed 2.2kPa,and the monthly average pressure should not exceed 1.8kPa.
Surrounding environment
Place without fire, explosion hazard, seriouspollution, chemical corrosion and severe vibration.
Product Parameters
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Main technical parameters ofswitchgear
Description Unit Value
Rated voltage KV 40.5
Rated current A 1250 1600 2000 2500
Rated power HZ 50
Rated short-time withstand current KA 20 25 31.5
Rated peak withstand current KA 50 63 80
Rated power frequency withstand current KV 95 /1min
Rated lightning impulse withstand current KV 185
Rated short-time short-circuit duration S 4
Protection grade   IP4X/IP65

 

 

Main technical parameters of vacuum circuit breaker
Description Unit Value
Rated voltage kV 40.5
Rated frequency HZ 50
Rated power frequency withstand voltage kV 95 / 1min
Rated lightning impulse withstand voltage kV 185
Rated current A 1250 1600 2000
Rated short-time withstand current KA 20 25 31.5
Rated short-circuit making current KA 20 25 31.5
Rated peak withstand current KA 50 63 80
Rated short circuit duration ms 30≤t≤60
Closing time s 50≤t≤100
Rated short-circuit current breaking Times 30
Mechanical life Times 10000

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