THREE-POSITION LOAD SWITCHGEAR FOR SF6 GAS INSULATED RING MAIN UNIT

Technical Data

No.

item

Unit

Data

1

Reted Frequency

Hz

50

2

Rated Current

A

630

3

Rated Short time Withstand Current

KA

20/25

4

Rated Peak Withstand Current

KA

63

5

Rated Short circuit Duration

s

2

6

Rated Short Circuit Making Current

KA

63

7

Operation Time

Times

5000

Environmental Conditions

1.The Altitude does not exceed 2000m,earthquake intensity does not exceed 8 degree

2.Ambient temperature is below 30 degree,above 40 degree,Daily average value of relative humidity is 95% ,month average value is below 90%

3.Not Suitable for places with frequent violent vibration,steam,gas,chemical corrosion,salt spray,dirt and dust,fire explosion that siginificantly effect the performance

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