Circuit Breaker For GIS (with Disconnector And Earthing Switch)

The circuit breaker is mainly used for GIS. The product adopts the splint structure, and has the advantages of simple installation, reliable breaking performance, long service life and maintenance-free, and is an ideal substitute for the vacuum circuit breaker for GIS. Product performance meets the requirements of GB1984-2014 "AC high voltage circuit breaker" E2-M2-C2 circuit breaker.
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Product Details

The circuit breaker is mainly used for GIS. The product adopts the splint structure, and has the advantages of simple installation, reliable breaking performance, long service life and maintenance-free, and is an ideal substitute for the vacuum circuit breaker for GIS. Product performance meets the requirements of GB1984-2014 "AC high voltage circuit breaker" E2-M2-C2 circuit breaker.


Technical parameters


Item

Unit

Value

1

Rated voltage

kV

12

2

Rated frequency

Hz

50

3

Rated current

A

630

4

Rated short time withstand current

kA

20/25

5

Rated peak withstand current

kA

50

6

Rated short circuit duration

s

4

7

Rated short circuit making current

kA

50

8

Mechnical life

times

10000

9

Main loop resistance

μΩ

60

10

1 min power frequency withstand voltage

kV

38(in air)


Applying ambient condition

1. Altitude above sea level: no more than 2000m, earthquake intensity not exceed 8 degrees.

2. Ambient temperature: Max. Temperature: +50℃, Min. Temperature: -45℃. Average relative humidity daily: ≤95%, average relative humidity monthly: ≤90%.

3. It should be installed in condition without obvious dust, fire, chemical erosion, explosion, vapor and salt spray.

4. Rated SF6 gas pressure: 0.04mPa. SF6 gas meets the requirements of GB/T 12022-2014 “Industrial sulfur hexafluoride”


Overall outline drawing of VS1-12P/T

image

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