Fixed AC metal-enclosed switchgears
Fixed AC metal-enclosed switchgear
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HXGN-12 type fixed AC metal-enclosed switchgear (RMU)
In the power supply system, the RMU serves as breaking load current ，short circuit current and closing short- circuit current purposes. It is equipped with FZRN25, FZRN21 vacuum load switch ,the Spring operation mechanism can be manual or electric operating, grounding switch and isolation knife equipped with manual operation mechanism. It has good completes performance, small volume, no fire and no explosion features.
The main technical parameters
No
project
unit
FN12-10
FZN25-12
1
Rated voltage
1min Power
frequency withstand voltage
Lightning
impulse voltage (peak)
Rated
frequency
Main
busbar rated current
Kv
kV
kV
Hz
A
12
On the
ground and white 42; isolated fracture 481
On the
ground and white 75; isolated fracture 85
50
630
2
3
4
5
6
Negative
Lotus
Open
Turn
off
Rated
current
Electrical
life at rated current
Breaking
load transformer capacity
Rated
thermal current
Rated
dynamic current (peak)
Rated
short-circuit current (peak)
Fuse rated
current
Rated
transfer current
Rated short
circuit breaking current
Models
equipped with fuses
A
Secondary
kVA
kA/s
ka
ka
kV
kV
kA
630
Not less
than 100
1250
20/4;20/2grounding
switch
50
50
100
7
8
9
10
11
12
13
1500
2000
14
315
S£LAJ-12(XRNT £ -10)
15
16
Mechanical
life
2000
10000
17
1min
power frequency voltage auxiliary circuit
Electric
actuator operating voltage
Protection
class
Dimensions
( rel× depth× height='auto' rea)
kV
V
mm
2
(DC)220;110
IP2X
650(850)×900×2000（2200）
18
19
20
HXGN15-12 (SF6) type unit AC metal-enclosed switchgear
HXGN15-12(SF6) type unit AC metal-enclosed ring network switchgear is suitable for AC 50Hz, 12KV power system, for the use of receiving and distributing electric .The main switch of the cabinet is SF6 switch.
No
name
unit
data
1
Rated
voltage
kV
12
2
Rated
frequency
Hz
50
3
Main
busbar rated current/ fuse maximum rated current
A
630,
125
4
The
main circuit, grounding circuit rated short time withstand current
kA/S
20,
3
5
The
main circuit,grounding circuit rated peak withstand current
kA
50
6
The
main circuit, grounding circuit rated short-circuit current
kA
50
7
Full
capacity load switch breaking number
100
8
Fuse
breaking current
kA
31.5,
40
9
Rated
closed loop breaking current
A
630
10
Rated
transfer current
A
1600
11
Mechanical
life
2000
12
1min
power frequency withstand voltage (peak) relative, on the ground/ isolation
fracture
kV
42,
48
13
Lightning
impulse withstand voltage (peak) phase, on the ground/ isolation fracture
kV
75,
85
14
Secondary
circuit 1 min power frequency withstand voltage
kV
2
15
Protection
class
IP3X
IP3X
XGN66-12 (Z) type fixed AC metal-enclosed switchgear
This type of switchgear is very small, only 50% of normal volume of switchgear. The circuit breakers and interlock mechanism are reliable and have good performance. The switchgear is within 3.6/7.2/12kV 3 phases AC 50Hz single bus bar indoor sets of devices, for receiving and distributing electric energy. It has the functions of circuit control, protection and monitoring.
No
project
unit
Technical parameters
1
Rated
voltage
kV
3.6, 7.2, 12
2
Rated
power frequency withstand voltage
kV
On the ground, white: 42:
Fracture: 85
3
Rated
lightning impulse withstand voltage
kV
On the ground, white: 75:
Fracture: 85
4
Rated
frequency
Hz
50
5
Rated
current
A
630, 1250,
6
Rated
short circuit breaking current (rms)
kA
20, 25, 31.5,
7
Rated
short-circuit current (peak)
kA
50, 63, 80,
8
Rated
dynamic current (peak)
kA
50, 63, 80
9
Rated
thermal stability current 4s (RMS)
kA
20, 25 , 31.5
10
Protection
class
IP2X
11
Dimensions
( rel×depth×height='auto' rea)
mm
900×1000×2300
12
weight
Kg
≈600
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