| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Introducing the remarkable ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, a pinnacle of innovation in modern outdoor distribution networks. Often affectionately referred to as the 'circuit breaker,' this state-of-the-art switchgear is meticulously engineered for a 12kV rated voltage with a robust three-phase AC operating at 50Hz. This versatile circuit breaker excels in managing the seamless interruption and reconnection of load current, tackling overload current, and controlling short circuit current within power grids. It boasts pioneering overload and short circuit protection capabilities, effortlessly fulfilling control and measurement requirements while providing advanced remote control and monitoring functions. Its expansive application potential extends across substations, industrial environments, and mining enterprise distribution systems. This makes it the ideal choice for settings demanding frequent operations, delivering unparalleled control and efficiency.
Structural Features:
Meticulously crafted, this circuit breaker boasts a refined three-phase pillar dry design that exemplifies precision.
Expertly engineered with a fully enclosed structure, it offers outstanding sealing properties, exceptional moisture resistance, and anti-condensation features, making it perfect for high-temperature and humid environments.
Incorporates state-of-the-art vacuum arc extinguishing technology, ensuring exceptional insulation reliability.
Guarantees impeccable opening and closing performance, ensuring safety with no risk of combustion or explosion.
Designed to be compact and lightweight, it requires no maintenance and boasts an impressive lifespan.
Features versatile operation with manual, electric, or remote control options available, catering to various user preferences.
The operating mechanism is securely sealed at the switch box's base, offering effective protection against outdoor environmental corrosion.
Showcases a groundbreaking and simplified design with a restless mechanism, ensuring reliable dynamic performance, a compact structure, and an astounding 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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