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Help CenterHXGN17-12 Air Ring Network Cabinet Switchgear
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HXGN17-12 Air Ring Network Cabinet Switchgear
Ⅰ.Composition and Application
Type HXGN£-12 box type fixed metal closed switchgear (referred to as ring network cabinet) is a complete set of AC high voltage electrical equipment with rated voltage from 12kV to 35kV and rated frequency of 50Hz. It is mainly used in three-phase AC ring network, terminal distribution network and industrial electrical equipment for receiving and distributing electric energy. It is also suitable for loading into box type substation.This equipment is widely used in urban power grid transformation, residential areas, high-rise buildings, industry, mining, hotels, shopping mall, airport, railway, oilfield, wharf, highway and temporary power facilities.
II. Model and description
Ⅱ.Environmental conditions
1.Working environment temperature: upper limit +40℃, lower limit: -25℃.
2.The altitude of the use site shall not exceed 2000m.
3.air relative humidity: daily average is not more than 95%, monthly average is not more than 90%.
4. the surrounding air is not corrosion or combustible gas, water vapor and other obvious pollution.
5. no frequent violent vibration.
Ⅲ.Specification
Item |
unit |
Parameters |
||
Rated voltage |
kV |
12 |
||
Rated current |
A |
400 ～630 |
||
Rated frequency |
Hz |
50 |
||
Rated insulation level |
Rated 1min power frequency withstand voltage (valid value) |
Phase, relative ground |
kV |
42 |
Break breaks |
48 |
|||
Rated lightning shock withstand voltage (full-wave peak) |
75 |
|||
Rated active load open off current, rated closed loop open off current |
A |
400 ～630 |
||
Rated cable charging turn-off current |
A |
10 |
||
Rated short-time withstand current |
kA |
20 |
||
Rated peak withstand current |
kA |
31.5 ～50 |
||
Mechanical life |
time |
2000 |
||
Protection |
IP2X |
|||
Overall dimension (width × depth × height) |
mm |
600X 900X1900 |
||
(Vacuum circuit breaker)
No. |
Item |
units |
FN12-10 |
FZN25-12 |
|
1 |
Rated voltage |
kV |
12 |
||
2 |
1min power frequency withstand voltage |
Ground and interphase 42; Isolation fracture 48 |
|||
3 |
Lightning impulse voltage (peak value) |
Ground and interphase 75; Isolation fracture 85 |
|||
4 |
Rated frequency |
Hz |
50 |
||
5 |
Rated current of main bus |
A |
630 |
||
6 |
load |
Rated current |
630 |
||
7 |
switch |
Lifetime at rated current |
Times |
Not less than 100 |
|
8 |
Breaking no-load transformer capacity |
kVA |
1250 |
||
9 |
Rated thermal stability current |
kA/s |
20/4; |
||
Ground switch 20/2 | |||||
10 |
Rated dynamic stability current (peak value) |
kA |
50 |
||
11 |
Rated short-circuit making current (peak value) |
50 |
|||
12 |
combination |
Fuse rated current |
A |
100 |
|
13 |
Electrical appliances |
Rated transfer current |
1500 |
2000 |
|
14 |
Rated short-circuit breaking current |
kA |
31.5 |
||
15 |
Equipped with fuse model |
SQLAJ-12(XRNTa-10) |
|||
16 |
Mechanical life |
Times |
2000 |
10000 |
|
17 |
Auxiliary circuit 1min power frequency withstand voltage |
kV |
2 |
||
18 |
Working voltage of electric operating mechanism |
V |
Ac/dc 220;110 |
||
19 |
Protection level |
IP2X |
|||
20 |
Dimensions (width x depth x height) |
mm |
650(850)x900x2000(2200) |
||
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