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630A 12KV GIS Circuit Breaker Switchgear With VCB Unit

Categories Gas Insulated Switchgear
Brand Name: Knkong
Model Number: SF6 GIS HXGN15-12 Circuit breaker unit
Certification: IEC ISO GB
Place of Origin: China
MOQ: 1
Payment Terms: L/C, T/T
Supply Ability: 100 Unit per month
Delivery Time: 30 days
Packaging Details: Standard export packaging
Working Voltage: 12KV
Working Current: 630-1250A
Working Frequency: 50/60Hz
Type: Circuit breaker unit
OEM/ODM: Please share your CDA drawings
Manufactory: KNKONG
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630A 12KV GIS Circuit Breaker Switchgear With VCB Unit

GB ISO 12KV Gas Insulated Switchgear Medium Voltage Ring Main Unit

Product Introduction


General

VCB unit, as known as V-unit has vacuum bubble, uses for breaking short-circuit current, one double-position disconnecting switch
is connected in series with the circuit breaker.
When the disconnecting switch at open position, the interlocked earthing switch can be closed to ground the cable cassing.
The operation between the VCB and the disconnecting switch, and the operation between the disconnecting switch and the
earthing switch are mechanically interlocked.

Service environment

  • Air temperature: -35℃~+40℃
  • Humidity: Monthly average 95%; Daily average 90%.
  • Altitude:≤ 1000m (Up to 5000 m can be custom)
  • Ambient air not apparently polluted by corrosive and flammable gas, vapor, etc.
  • No frequent violent shake

Technical Data

No.ItemUnitParameter
1Rated voltagekV122436
2Rated frequencyHz50/60
3Rated currentA630(1250*)
4

1min Power frequency

withstand voltage

wetkV385070
drykV486085
5Lightning impulse withstand voltagekV75125/150170
6Rated short circuit breaking current (peak)kA806363
7Rated active load and close circuit breaking currentA635050
8Rated transferring currentA170012001200
9Rated short circuit making a current (peak)kA806363
10Rated cable(line) charging breaking currentA

50 and 10

50/10

11Cable charge breaking current in earthing faultA202020
12Rated withstand current (peak)kA806363
13Short-time withstand current (2s)kA252020
14Mechanism lifetimes500020002000

Note: For short circuit breaking and the peak current is based on Fuse plus combination


Optional components:
Electric operating-AC 220/110V; DC 24/48/110/220V
Auxiliary contact 5 NO 5 NC
Full set of fuse
FTU communication interface



Quality 630A 12KV GIS Circuit Breaker Switchgear With VCB Unit for sale
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