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VCB Unit GIS Sf6 Gas Insulated Switchgear With 1000m Altitude

Knkong Electric Co.,Ltd
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VCB Unit GIS Sf6 Gas Insulated Switchgear With 1000m Altitude

Brand Name : Knkong

Model Number : SF6 GIS HXGN-40.5

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

Rated Voltage : 36KV

Rated Current : 630-1250A

Rated Frequency : 50/60Hz

Original : China

OEM/ODM : Please share your CDA drawings

Type : Fully insulated

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GB ISO 36KV Gas Fully 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 the 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 switches 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. Item Unit Parameter
1 Rated voltage kV 12 24 36
2 Rated frequency Hz 50/60
3 Rated current A 630(1250*)
4

1min Power frequency

withstand voltage

wet kV 38 50 70
dry kV 48 60 85
5 Lightning impulse withstand voltage kV 75 125/150 170
6 Rated short circuit breaking current (peak) kA 80 63 63
7 Rated active load and close circuit breaking current A 63 50 50
8 Rated transferring current A 1700 1200 1200
9 Rated short circuit making a current (peak) kA 80 63 63
10 Rated cable(line) charging breaking current A

50 and 10

50/10

11 Cable charge breaking current in earthing fault A 20 20 20
12 Rated withstand current (peak) kA 80 63 63
13 Short-time withstand current (2s) kA 25 20 20
14 Mechanism life times 5000 2000 2000

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

VCB Unit GIS Sf6 Gas Insulated Switchgear With 1000m AltitudeVCB Unit GIS Sf6 Gas Insulated Switchgear With 1000m AltitudeVCB Unit GIS Sf6 Gas Insulated Switchgear With 1000m AltitudeVCB Unit GIS Sf6 Gas Insulated Switchgear With 1000m Altitude


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