SF6 Inflatable Cabinet
01
SF6 Vacuum Circuit Breaker Switch
The SF6 vacuum circuit breaker is an electrical protection device used in high-voltage power systems. It combines SF6 gas and vacuum arc extinction technology, offering excellent switching performance and high reliability. This type of circuit breaker is widely used in substations, power plants, and other high-voltage power systems. SF6 gas plays a key role in arc extinction, while vacuum technology ensures the long-term stability and low maintenance requirements of the breaker under high-voltage conditions.
PRODUCT PARAMETERS
NO |
ITEM |
UNIT |
PARAMETERS |
REMARKS |
1 |
Rated Frequency |
Hz |
50 |
|
2 |
Rated Current |
A |
1250 |
|
3 |
Rated Short-Time Withstand Current |
kA |
20/25 |
|
4 |
Rated Peak Withstand Current |
kA |
50 |
|
5 |
Rated Short-Circuit Duration |
s |
4 |
|
6 |
Rated Short-Circuit Making Current |
kA |
50 |
|
7 |
Rated Operation Sequence |
|
0-0.3s-180s-co |
Structure and characteristics
Excellent Arc Extinction Performance
SF6 gas has exceptional insulating and arc-extinguishing properties, effectively reducing the arc generated during switching and preventing equipment damage, while extending the circuit breaker’s service life.
High Reliability and Long Service Life
With vacuum arc extinction technology, the circuit breaker can quickly and effectively extinguish arcs when interrupting load currents. It is resistant to current surges and can perform millions of operations with minimal maintenance, ensuring system stability and operational efficiency.
Strong Environmental Friendliness
Compared to traditional oil circuit breakers and air circuit breakers, SF6 circuit breakers offer higher safety and, due to SF6 gas's superior insulating properties, they significantly reduce the size and weight of the equipment, saving space and cost.
Excellent Antifouling Ability
SF6 gas has a very high dielectric strength, allowing the breaker to operate stably in high-voltage environments. It has a strong resistance to interference, ensuring the reliable operation of the power system.
Intelligent Design
SF6 vacuum circuit breakers are equipped with intelligent protection devices, enabling real-time monitoring of electrical system conditions. Remote control and automation features enhance the flexibility and safety of the system.
Technical Parameters
Rated Voltage: Available in multiple voltage ratings (typically 72.5kV to 1100kV) to meet the needs of different power systems.
Rated Current: Various current ratings available to accommodate different load requirements.
Short-Circuit Breaking Capacity: Capable of interrupting large fault currents, typically up to 80kA or higher.
Mechanical Life: Designed for a mechanical life of 10,000 to 30,000 operations.
Switching Time: Extremely fast switching time, typically controlled within 50 to 100 milliseconds, ensuring rapid fault interruption.
Gas Pressure: The gas pressure inside the equipment is precisely monitored to ensure effective insulation under normal operating conditions.
Product Advantages
Compared to traditional oil circuit breakers, SF6 vacuum circuit breakers eliminate oil leakage and pollution issues, making them more environmentally friendly.
In comparison to air circuit breakers, SF6 vacuum circuit breakers offer superior arc-extinguishing capability, more stable performance, especially in high-load and frequent-operation environments.
Contact Information
For more details, please contact us:
Company Name: KENJING GROUP Co., Ltd.
Phone: +86-15888718229
Email: john@china-kenjing.com