50Hz Zw20-12 Outdoor Column Intelligent Vacuum Electrical Circuit Breaker
Our 50Hz Zw20 - 12 Outdoor Column Intelligent Vacuum Electrical Circuit Breaker is a state of the art electrical protection device designed to meet the high demand requirements of modern power distribution systems.
1. Intelligent Design and Advanced Technology
- Smart Control System: Equipped with an intelligent control unit, this circuit breaker can monitor the electrical parameters of the power grid in real - time. It can automatically detect abnormal conditions such as over - current, over - voltage, and short - circuit, and quickly take protective actions. The control system also supports remote operation and monitoring, allowing operators to manage the breaker from a distance through a communication network. This greatly improves the efficiency of power grid management and reduces the need for on - site inspections.
- Vacuum Interruption Technology: The use of vacuum interruption technology ensures excellent arc - extinguishing performance. In a vacuum environment, the arc is quickly extinguished when the circuit is broken, reducing the risk of electrical fires and equipment damage. This technology also enables the circuit breaker to have a long service life and high reliability, reducing maintenance costs and downtime.
2. Robust Construction for Outdoor Use
- Weather - Resistant Enclosure: The circuit breaker is housed in a weather - resistant enclosure made of high - quality materials. It can withstand various outdoor environmental conditions, including extreme temperatures, heavy rain, strong winds, and high humidity. The enclosure is also designed to be corrosion - resistant, ensuring long - term durability in harsh outdoor environments.
- High - Strength Mounting Structure: The outdoor column - mounted design features a high - strength mounting structure. It can be firmly installed on poles or other outdoor structures, providing stable support for the circuit breaker. The mounting structure is also designed to be easy to install and maintain, reducing the installation time and effort.
3. High - Performance Electrical Characteristics
- Rated Voltage and Frequency: With a rated voltage of 12kV and a frequency of 50Hz, this circuit breaker is suitable for use in most 12kV power distribution systems. It can handle the normal electrical load and voltage fluctuations in the power grid, ensuring stable power supply.
- High Short - Circuit Breaking Capacity: The circuit breaker has a high short - circuit breaking capacity, which allows it to quickly and effectively cut off the short - circuit current when a fault occurs. This protects the power grid and electrical equipment from the damage caused by short - circuits, ensuring the safety and reliability of the power system.
4. Wide - ranging Applications
- Power Distribution Networks: Ideal for use in 12kV power distribution networks, this circuit breaker can be installed at various points in the network, such as the main lines, branch lines, and at the connection points of power transformers. It plays a crucial role in protecting the power grid from electrical faults and ensuring the stable operation of the power distribution system.
- Industrial and Commercial Facilities: It is also suitable for industrial plants, commercial buildings, and other facilities that require a reliable power supply. By providing effective electrical protection, the circuit breaker helps to safeguard the electrical equipment in these facilities, preventing costly damages and downtime.
The 50Hz Zw20 - 12 Outdoor Column Intelligent Vacuum Electrical Circuit Breaker combines intelligent design, advanced technology, and high - performance electrical characteristics. It is a reliable and efficient solution for outdoor power distribution and protection, meeting the needs of modern power systems.
NO. |
Item |
Unit |
Numeric |
1 |
Nominal Voltage |
KV |
12 |
2 |
Rated Frequency |
HZ |
50 |
3 |
Rated Current |
A |
630 |
4 |
Rated Short-circuit Breaking Current |
KA |
20 |
5 |
Dynamic Stability rated current |
KA |
50 |
6 |
RMS/Rated the rmal stabilization |
KA/S |
20/4 |
7 |
Mechanism life |
Times |
10000 |
8 |
Rated short-circuit closing breaking Number |
Times |
30 |
9 |
Rated operating sequence |
|
O-0.3s-CO-180s-CO |
10 |
Rated breaking current number |
Tmes |
10000 |
11 |
Rated short-circuit close-open current |
KA |
50 |
12 |
Rated insulation level |
KV |
|
Short Power-frequency withstand |
Thunder shocking |
PE |
42/34 |
75 |
PP |
42/34 |
75 |
Fracture |
48/34 |
85 |
Assist |
2 |
|
13 |
SF6 rated pressure (20 spend pressure) |
MPa |
0.01 |
14 |
Rated short-circuit closing breaking Number |
T |
30 |
15 |
Rated short-circuit cut-off current's DC component |
%dc |
51.3 |


