Pole Mounted Switch
01
The ZW32-12G Outdoor Vacuum Circuit Breaker
The ZW32-12 Outdoor High-Voltage Vacuum Circuit Breaker is a 12kV, three-phase AC 50Hz outdoor distribution device. It is widely used in substations, industrial and mining enterprise distribution systems, as well as urban and rural power grids, for interrupting and closing load currents, overload currents, and short-circuit currents.
PRODUCT PARAMETERS
Item |
Unit |
Parameter |
||
Voltage, current parameters |
|
|
||
Rated voltage |
kV |
12 |
||
Rated short time power frequency withstand voltage (1min) |
kV |
42/48 |
||
Rated lightning impulse withstand voltage (peak) |
kV |
75/85 |
||
Rated frequency |
Hz |
50/60 |
||
Rated current |
A |
630 |
1250 |
|
Rated short-circuit breaking current |
kA |
20 |
||
Rated short-time withstand current (RMS) |
kA |
20 |
||
Rated peak withstand current |
kA |
50 |
||
Rated short-circuit closing current |
kA |
50 |
||
Rated single / back-to-back capacitor bank breaking current |
A |
630/400 |
||
Rated short-circuit current duration |
S |
4 |
||
Rated short-circuit current breaking times |
Times |
50 |
||
The main circuit resistance |
μΩ |
≤80(140) |
||
Rated operational voltage |
|
AC/DC≌220 |
||
Mechanical life |
Times |
10000 |
||
The overcurrent regulating ☆ |
A |
1~10 |
||
Quick-break current |
A |
6~20 |
||
The delay time |
ms |
40~850 |
||
Remote control distance |
m |
> 30 |
||
Reclose time |
Times |
0~3 |
||
Rated operating sequence |
|
O-0.3s-CO-180s-CO |
||
CT |
Ratio |
A |
()/5 |
|
Capacity |
VA |
15 |
||
The output voltage |
A |
AC220 |
||
The output capacity |
W |
600 |
||
The overcurrent regulating |
A |
1~10 |
||
The delay time |
ms |
40~850 |
||
Remote control distance |
m |
30 |
||
Product Features
Fully Sealed Structure:
Provides excellent sealing for moisture and condensation resistance, ideal for harsh and humid climates.
Epoxy Resin Insulation:
Uses imported outdoor epoxy resin or silicone rubber-coated solid insulation, offering high durability against UV, aging, and temperature extremes.
Spring Operating Mechanism:
Features a compact, low-energy mechanism with a small motor power requirement and minimal moving parts, ensuring high reliability and durability.
Multi-Mode Operation:
Supports manual, electric, and remote-control operations.
Can be paired with smart controllers for distribution automation or reclosing devices for fault isolation and sectionalizing.
Integrated Current Transformer:
Configurable with two or three-phase transformers for overcurrent or short-circuit protection and data acquisition.
Optional Isolation Switch:
Includes a three-phase linkage isolation switch with visible disconnect points and anti-misoperation interlocks.
Operating Conditions
Ambient temperature: Maximum +40°C, minimum -40°C
Altitude: ≤2000m
Wind pressure: ≤700Pa (equivalent to a wind speed of 34m/s)
Pollution grade: Level IV
Seismic intensity: ≤8 degrees
Environment: Free of flammable/explosive materials, chemical corrosion, or significant vibration.
Contact Information
For more details, please contact us:
Company Name: KENJING GROUP Co., Ltd.
Phone: +86-15888718229
Email: john@china-kenjing.com