| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Introducing the ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker: Masterfully engineered, this remarkable piece of outdoor distribution switchgear is crafted to operate seamlessly at a rated voltage of 12kV, complemented by a resilient three-phase AC of 50Hz. This multifaceted circuit breaker excels in both interrupting and connecting load currents, managing overload currents, and handling short circuit currents within the power grid with ease. It comes equipped with cutting-edge overload and short circuit protective features, impeccably meeting control and measurement standards while offering sophisticated remote control and monitoring capabilities. Its extensive application makes it indispensable in substations, industrial landscapes, and mining enterprise distribution systems, delivering unmatched control and operation. Designed for environments where frequent operations are the norm, it stands as the ideal solution.
Structural Features:
Expertly crafted, the circuit breaker features an innovative three-phase pillar dry design, ensuring peak performance;
Built with a fully enclosed structure, this breaker excels in sealing, providing exceptional moisture resistance, and outstanding anti-condensation attributes. It's the premier choice for high-temperature and humid locales;
Incorporates state-of-the-art vacuum arc extinguishing technology, delivering remarkable insulation reliability and sturdiness;
Ensures impeccable opening and closing performance, guaranteeing safety without any risk of combustion or explosion;
Compact, lightweight, and maintenance-free, this breaker promises a remarkable service lifespan;
Offers versatile operation modes: manual, electric, or remote control, providing flexibility and convenience;
The operating mechanism is intricately sealed at the switch box's base, offering superior defense against outdoor environmental corrosion;
Presents an innovative, simplistic design with a restless mechanism, ensuring reliable dynamic performance, a compact form, and an extraordinary service life reaching 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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