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HXGN15-12 SF6 12KV Gas Insulated Switchgear 1700A 60Hz

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Knkong Electric Co.,Ltd

HXGN15-12 SF6 12KV Gas Insulated Switchgear 1700A 60Hz

Country/Region china
City & Province zhengzhou henan
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Product Details

HXGN15-12 SF6 gas-insulated switchgear rating voltage12KV

Voltage: 12KV

Current: 2000A

Type: SF6 gas insulated

 

General

SF6 ring main unit is an air-insulated or gas-insulated medium-voltage electrical combination equipment that can be combined into multiple circuits at will, with switching, communication, and protection of the power system, with load switches as the core component. Its main circuit core component is composed of SF6 load switch or additional circuit breaker and other primary auxiliary electrical appliances.

In recent years, the SF6 ring network cabinet has developed very fast, and both the manufacturing process and the product reliability have the potential to be equal to the international electrical giants. Of course, the voltage level between 24kV and 40.5 still has a certain gap with foreign manufacturers. At present, there are only a handful of domestic manufacturers producing power distribution SF6 power distribution level at the 40.5kV level. The others are C-GIS of the first-level system, which is based on the first-level power system with large current and large capacity.

 

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

 

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