GIS Circuit Breaker (with Isolation And Grounding )

GIS Circuit Breaker (with Isolation And Grounding )

24kV GIS circuit breaker (with isolation and grounding )
1.It adopts a splint structure.
2.simple and convenient installation, reliable breaking performance, long service life and maintenance-free.
3.Meet the requirements of GB1984-2014
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Product Details

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


Technical parameters of  24kV GIS circuit breaker 



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 closing current

kA

50

8

Mechanical life

times

10000

9

Main loop resistance

μΩ

≤60

10

1 min power frequency withstand voltage

kV

38(in air)



Applying ambient condition of 24kV GIS circuit breaker

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 SF6”.


Outline drawing of 24kV GIS circuit breaker

image

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