| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
|
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Step into the future of electrical distribution with the unparalleled ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker. Perfectly tailored for today's dynamic outdoor networks, this superior switchgear, affectionately termed as the 'circuit breaker,' operates at a robust 12kV rated voltage with a steadfast three-phase AC of 50Hz. This exceptional breaker is your go-to for adeptly managing load current, overload current, and short circuit current within power grids. Revel in its state-of-the-art overload and short circuit protection capabilities, which effortlessly align with sophisticated control and measurement demands, all while providing cutting-edge remote control and monitoring features. From substations to industrial settings and mining enterprise distribution systems, its broad application spectrum makes it the preeminent choice for environments necessitating frequent operations, ensuring supreme control and unmatched efficiency.
Structural Features:
Exquisitely designed, the circuit breaker boasts a refined three-phase pillar dry design, ensuring seamless functionality;
Ingeniously constructed with a fully enclosed architecture, it excels in sealing, offers superior moisture resistance, and features anti-condensation properties, rendering it perfect for high-temperature and humid climates;
Employs cutting-edge vacuum arc extinguishing technology, delivering outstanding insulation reliability;
Guarantees impeccable opening and closing operations, ensuring safety with zero risk of combustion or explosion;
Sleek and compact, this circuit breaker is lightweight, demands no maintenance, and boasts an impressive lifespan;
Offers a versatile range of operations with options for manual, electric, or remote control;
The mechanism is securely sealed at the base of the switch box, providing robust protection against outdoor environmental corrosion;
Features a groundbreaking and streamlined design with a restless mechanism, promising reliable dynamic performance, a compact structure, and an extraordinary service life reaching up to an impressive 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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