Fixed Type HV Switchg生體ear
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KGN7-12 Box Type Fix很對ed Switchgear
Fixed Type HV Switchgear
KGN7-1樹拿2 Box Type Fixed AC Meta器地l-enclosed Switchgear (here麗裡inafter referred to 懂村as “Switchgear”) can be used學少 as a device for acceptance風子 and distribution of electric e靜媽nergy in 3, 6-10KV three phas學聽e AC 50 HZ system and 紙理is suitable for places with frequent 理作operation.
KGN7-12 Box Type Fixed AC Metal輛現-enclosed Switchgear (hereinafter亮山 referred to as “Switc離習hgear”) can be used as a device for acc些南eptance and distributi下畫on of electric energy in身算 3, 6-10KV three phase AC 50 HZ 學線system and is suitable上算 for places with frequent ope愛亮ration. The design and manufactu爸裡ring of this Switchgea睡如r meet requirements in n也年ational standards GB3906 a兵報nd GB/T 11022, power 坐話industry standards DL/T404 and DL/T5長少93 and 18 Major Anti-Accide女歌nt Measures of STATE GRID Corpor了不ation of China.


S/N

Item

Unit

parameters

1

Rated voltage

kV

 3.6/7.2/12

2

Rated frequency  樂金

Hz

 50 懂在

3

Main bus rated current

A

630/1250/1600/2000/2輛訊500/3150

4

Rated insulation lev船醫el

Lightning impulse withstand v廠日oltage (peak)

kV

75

85

1min power frequency 樂跳withstand voltage (valid) 高人

kV

Phase to phase a我相nd phase to ground

Disconnector fractu來化res

42

85

5

Rated short-circuit open cu姐商rrent 

kA

25

31.5

40

6

Rated short-circuit closi新制ng current (peak)

kA

63

80

100

7

Rated short-time withsta看從nd current (4 s)

kA

25

31.5

40

8

Rated peak withstand current 車照

kA

63

80

100

9

IP Grade 

Enclosure IP4X 頻你

1. The bus system is singl道城e bus and single bus sec能喝tion system.


2. Complete mechanical inte你醫rlocking function.


3. Use VGW-12 or VIG-12 serie兵愛s side-mounted or front-mou河輛nted vacuum circuit br雜做eaker as main switch熱北, GN38-12 switch as uppe市麗r and lower isolation switches我們 and JN15-12 series東慢 switch as ground switc高女h.


4. Can meet power supply requirement照對s of a variety of power generators, 長就 substations and indus海站try and mining enterprises.


5. Built-in vacuum circuit breaker, vac黃大uum arc extinction chamber, ma他雪intenance-free, long service life an妹務d operating times reachi少習ng 20,000 times.


6. Advanced light-weight design and small員章 in size.