Customization: | Available |
---|---|
Type: | High-voltage |
Structure: | Three-column Disconnector |
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Introducing the illustrious ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker, the quintessential marvel for contemporary outdoor distribution networks. Affectionately known as the 'circuit breaker,' this state-of-the-art switchgear is meticulously engineered for a 12kV rated voltage and a robust three-phase AC at 50Hz. This dynamic circuit breaker is unparalleled in its ability to seamlessly manage the interruption and reconnection of load current, overload current, and short circuit current within power grids. It boasts cutting-edge overload and short circuit protective capabilities, effortlessly fulfilling control and measurement requisites while offering sophisticated remote control and monitoring functions. Its extensive application range spans substations, industrial sectors, and mining enterprise distribution systems, making it the ultimate choice for environments requiring frequent operations. This ensures unmatched control and efficiency, providing an indispensable asset for modern electrical infrastructures and elevating your power distribution experience to new heights of reliability and precision.
Structural Features:
Meticulously crafted with precision, the circuit breaker exhibits a refined and advanced three-phase pillar dry design;
Expertly engineered with a fully enclosed structure, it provides outstanding sealing, exceptional moisture resistance, and anti-condensation attributes, perfectly suited for high-temperature and humid environments;
Utilizes cutting-edge vacuum arc extinguishing technology, offering exceptional insulation reliability and superior performance;
Ensures impeccable opening and closing performance, guaranteeing unparalleled safety with no risk of combustion or explosion, ensuring peace of mind;
Designed to be compact and lightweight, this sophisticated device requires no maintenance, boasting an impressive lifespan, elevating operational efficiency and convenience;
Features versatile operation capabilities, with manual, electric, or remote control options available for utmost convenience and adaptability;
The operating mechanism is carefully sealed at the switch box's base, effectively safeguarding against outdoor environmental corrosion and maintaining long-term integrity;
Showcases an innovative and streamlined design that features a restless mechanism, ensuring reliable dynamic performance, a compact structure, and an astonishing service life reaching up to 10,000 cycles, setting a new standard in durability and engineering excellence.
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 |