| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Introducing the ZW32-12 outdoor high voltage vacuum circuit breaker, a remarkable advancement in outdoor distribution switchgear technology. Operating with an impressive rated voltage of 12kV and a solid three-phase AC of 50Hz, this circuit breaker excels at both interrupting and connecting load current, overload current, and short circuit current within any power grid. With its cutting-edge overload and short circuit protective features, it not only meets but exceeds control and measurement specifications. This circuit breaker elevates your power distribution systems with sophisticated remote control and monitoring capabilities. Perfectly suited for substations, industrial landscapes, and mining enterprise distribution systems, it provides unmatched control and operational efficiency, making it the quintessential choice for environments demanding frequent and reliable operations.
Structural features:
With its precision-crafted three-phase pillar dry design, the circuit breaker exemplifies engineering excellence;
Boasting a fully enclosed structure, it is engineered for superior sealing and exceptional resistance to moisture and condensation, rendering it the ideal choice for high-temperature and humid regions;
Utilizes cutting-edge vacuum arc extinguishing technology, ensuring exceptional insulation reliability;
Ensures impeccable opening and closing performance with a dependable safety profile, completely eliminating the risk of combustion or explosion;
Effortlessly compact and lightweight, this maintenance-free marvel guarantees an extraordinary lifespan;
Features versatile operation modes including manual, electric, and remote control, catering to diverse application needs;
The operating mechanism is expertly sealed at the base of the switch box, providing robust protection against the harshest outdoor environmental corrosion;
Boasts a novel, simplistic design with a restless mechanism that delivers reliable dynamic performance, a compact form factor, and an incredible service life of up to 10,000 cycles.
Main technical parameters:
|
No |
Name |
Unit |
Data |
|||
|
1 |
Rated voltage |
kV |
12 |
|||
|
2 |
Rated current |
A |
630 |
1250 |
||
|
3 |
Rated frequency |
Hz |
50 |
|||
|
4 |
Rated insulation level |
1min power frequency withstand voltage |
Dry test |
/ |
42/48(fracture) |
|
|
Wet test |
34 |
|||||
|
Secondary circuit to ground |
2 |
|||||
|
Lightning impulse withstand voltage (peak value) |
75/85(fracture) |
|||||
|
5 |
Rated short circuit making current (peak value) |
kA |
50 |
63 |
||
|
6 |
Rated short time withstand current |
kA |
20 |
25 |
||
|
7 |
Rated peak withstand current |
kA |
50 |
63 |
||
|
8 |
Breaking times of rated short circuit breaking current |
Times |
30 |
|||
|
9 |
Rated short circuit duration |
s |
4 |
|||
|
10 |
Rated operating voltage and rated voltage of auxiliary circuit |
V |
DC220,AC220 ,AC/DC220 |
|||
|
11 |
Rated operation sequence |
/ |
Off-0.3s-on-off-180s-on-off |
|||
|
12 |
Rated current of over current trip |
A |
5 |
|||
|
13 |
Mechanical life |
second |
10000 |
|||
|
14 |
Allowable wear accumulative thickness of moving and static contacts |
mm |
3 |
|||
|
15 |
Rated current of over current release |
A |
5 |
|||
|
16 |
Current ratio of current transformer |
/ |
200/5 400/5 600/5 |
|||
|
17 |
Contact opening distance |
mm |
9±1 |
|||
|
18 |
Contact overtravel |
mm |
2±0.5 |
|||
|
19 |
Average opening speed |
m/s |
1.2±0.3 |
|||
|
20 |
Average closing speed |
m/s |
0.6±0.2 |
|||
|
21 |
Opening time |
ms |
≤40 |
|||
|
22 |
Closing time |
ms |
20~45 |
|||
|
23 |
Closing bounce time |
ms |
≤2 |
|||
|
24 |
Asynchrony of three phase closing and opening |
mm |
≤2 |
|||
|
25 |
Three phase circuit resistance |
μΩ |
≤80 Band isolation≤120 |
|||
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