| Model: | ZW32 |
|---|---|
| Brand: | Jucro |
| Origin: | Made In China |
| Category: | Electronics & Electricity / Breaker & Protector |
| Label: | ZW32 , VCB , circuit breaker |
| Price: |
US $665
/ pc
|
| Min. Order: | 10 pc |
| Live Chat: | Last Online:02 Aug, 2016 |
1. 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 |
||
