| Customization: | Available |
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| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Electric Type |
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The ZW32-12 outdoor high voltage vacuum circuit breaker, endearingly termed the 'circuit breaker,' stands as a paragon of outdoor distribution switchgear. It is meticulously engineered to function at a rated voltage of 12kV, supporting a powerful three-phase AC of 50Hz. This dynamic circuit breaker deftly manages the interruption and connection of load currents, overload currents, and short circuit currents within the power grid. It is equipped with advanced overload and short circuit protection, expertly meeting control and measurement requirements, while offering sophisticated remote control and monitoring capabilities. Its extensive application encompasses substations, industrial settings, and mining enterprise distribution systems, delivering unparalleled control, ideal for environments necessitating frequent operations.
Structural features:
Crafted with unparalleled precision, the circuit breaker features an innovative three-phase pillar dry design.
Engineered with a cutting-edge fully enclosed structure, it provides exceptional sealing, superior moisture resistance, and anti-condensation abilities, making it the quintessential choice for high-temperature and humid regions.
Incorporates state-of-the-art vacuum arc extinguishing technology, ensuring remarkable insulation reliability.
Delivers impeccable opening and closing performance, guaranteeing safety with zero risk of combustion or explosion.
Compact and lightweight, it requires no maintenance and boasts an impressive lifespan.
Versatile in operation, offering manual, electric, or remote control options.
The operating mechanism is meticulously sealed at the base of the switch box, offering robust protection against outdoor environmental corrosion.
Features a groundbreaking, minimalist design with a restless mechanism that ensures reliable dynamic performance, a compact form, and an astounding service life of up to 10,000 cycles.
|
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 |
|||
Our credentials are bolstered by the acclaimed ISO certification . Additionally, we possess an extensive collection of diverse type test reports that exemplify the unparalleled quality and reliability of our products.
Q1: Are you a trading company or manufacturer ?
A1: We are a professional factory with 7 years experience in the field of high and low voltage power transformers, substation, vacuum circuit breaker, power equipment.
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