HVD32 ZW32 12KV á٭ҡ vacuum circuit breaker VCB
Թ :
HVD32 ZW32 12KV á٭ҡ vacuum circuit breaker VCB
觫 (Order Code) :
TTN00-09432
(Model) :
ZW32 12KV á٭ҡ VCB
(Brand) :
ZW32 12KV á٭ҡ VCB
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- 1. á٭ҡ General
HVD32 ZW32 This vacuum circuit breaker VCB is three-phase AC 50Hz, rated voltage 12 kV outdoor high voltage switch equipment. It is mainly used to opening(closing) load current, overload current and short-circuit current. It is suitable to protect or control the city or village electrical power distribution system.
2 . Main technical parameter
2.1Circuit breakers rated parameters
|
No.
|
Name
|
Unit
|
Value
|
|
1
|
Rated voltage
|
KV
|
12
|
|
2
|
The 1min rated power frequency withstand voltage
|
Phase to Phase, to Ground42 / Fracture 48
|
|
3
|
Rated lightning impulse withstand voltage(peak)
|
Phase to Phase, to Ground42 / Fracture 48
|
|
4
|
Rated current
|
A
|
630
|
1250
|
|
5
|
Rated frequency
|
Hz
|
50
|
|
6
|
Rated short circuit breaking current
|
KA
|
12.5 16 20
|
25
|
|
7
|
Rated short-circuit current (peak)
|
31.5 40 50
|
63
|
|
8
|
Rated peak withstand current
|
31.5 40 50
|
63
|
|
9
|
4s rated short time withstand current
|
12.5 16 20
|
25
|
|
10
|
Rated operating sequence
|
|
O-0.3s-CO-180s-CO(Electric operation)
|
|
11
|
Closing time
|
ms
|
30-60
|
|
12
|
Opening time
|
20-40
|
|
13
|
Rated short circuit breaking current breaking times
|
times
|
30
|
|
14
|
Mechanical life
|
10000
|
|
15
|
Secondary circuit 1min power frequency withstand voltage
|
V
|
2000
|
|
16
|
Energy storage motor rated power
|
W
|
40
|
|
17
|
Energy storage motor rated voltage
|
V
|
DC220/110
|
|
18
|
Rated closing operation voltage
|
DC220/110, AC220/110
|
|
19
|
Rated switching operation voltage
|
DC220/110, AC220/110
|
|
20
|
Electric energy storage time
|
S
|
≤8
|
2.2The main technical parameters of the isolation switch
|
No.
|
Project
|
Unit
|
Parameter
|
|
1
|
Rated voltage
|
KV
|
12
|
|
2
|
Rated current
|
A
|
630
|
|
3
|
Frequency
|
Hz
|
50
|
|
4
|
4s rated short time withstand current (rms)
|
KA
|
16/20
|
|
5
|
Rated peak withstand current
|
40/50
|
|
6
|
1min power frequency withstand voltage
|
To ground, P to P
|
KV
|
42
|
|
Fracture
|
48
|
|
7
|
Loop resistance (breaker panel between to isolation switch into the line of board)
|
μΩ
|
≤120
|
|
8
|
Three-phase closing of the knife center runout
|
mm
|
≤2
|
|
9
|
The three-phase knife points, closing bias over the same period
|
≤2
|
|
10
|
Conductive parts of the insulation isolation
|
≥160
|
|
11
|
Fracture open distance
|
≥200
|
