Zhejiang Pingchao Electric Co.,Ltd

40kv Earthing Switch

Indoor AC High Voltage Grounding Switch

1. The height above sea level shall be no more than 1000 meter;
2. Ambient air temperature: +40℃~ -25℃
3.Seismic intensity: no more than 8 magnitude...
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JN22-40.5 / 31.5 series of Indoor HV A.C Earthing Switch

Ambient Condition:

1. The height above sea level shall be no more than 1000 meter;

2. Ambient air temperature: +40℃~ -25℃

3.Seismic intensity: no more than 8 magnitude

4 The average relative humidity of a day should be no more than 95%, that of a month should be no more than 90%

5. Filth degree: II

 

Main Technical Parameter

Item

Unit

Data

Rated   voltage

kV

40.5

Rated short   time withstand current(4s)

kA

31.5

Rated short   circuit making current

kA

80

Rated peak   withstand current

kA

80

The center   distance between phases

mm

300,350,400

Rated   insulation level

Power   frequency

withstand   voltage(1min)

kV

Pole to   ground

95

Lightning   impulse withstand voltage

Between   phases

185

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