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High Voltage Capability:
The Circuit Breaker is designed for high-voltage applications, suitable for voltages up to 40.5kV, ensuring compatibility with various power systems.
Vacuum Interruption Technology:
Utilizing vacuum interrupter technology, this Circuit Breaker offers superior arc-quenching performance, reducing arc damage and extending the lifespan of the breaker.
SF6 Gas Insulated:
The SF6 Circuit Breaker ensures excellent dielectric properties by using SF6 gas for insulation, providing reliable operation under harsh environmental conditions.
High Breaking Capacity:
With a breaking capacity of up to 31.5kA, the SF6 Circuit Breaker ensures efficient fault clearing, providing protection for high-voltage electrical systems.
Compact Design:
The Vacuum SF6 Circuit Breaker features a compact and space-saving design, ideal for high-voltage distribution applications with limited space.
Reliable and Low Maintenance:
Designed for durability and minimal maintenance, the SF6 Circuit Breaker offers long-term reliability and reduces the need for frequent interventions.
High performance and reliability:
The circuit breakers guarantee excellent performance and reliability even under extreme operating conditions, ensuring optimal protection of high-voltage systems.
Reduce downtime:
SF6 circuit breakers have fast response times and excellent arc-extinguishing capabilities, minimizing downtime and increasing the operational efficiency of the grid.
Reduce maintenance costs:
Because of its low-maintenance design, this circuit breaker significantly reduces operating and maintenance costs, helping to reduce total cost of ownership.
Space-saving design:
Vacuum SF6 circuit breakers are compact and ideally suited for space-constrained applications, allowing efficient use of substation area.
Advanced protection features:
SF6 circuit breakers feature advanced protection features that provide fault isolation and fast arc suppression, ensuring comprehensive system protection.
Power Substations:
Ideal for Circuit Breaker applications in high-voltage substations, ensuring safe and efficient power distribution in industrial and urban infrastructure.
Electric Power Systems:
The LW8-40.5 Circuit Breaker is commonly used in electric power systems for transmission and distribution, providing reliable fault protection.
Renewable Energy:
This SF6 Circuit Breaker is an excellent choice for renewable energy systems like wind and solar farms, where reliable high-voltage control and protection are necessary.
Industrial Applications:
Used in industries that require high-voltage distribution systems, the Circuit Breaker ensures safe and efficient power handling in critical industrial settings.
Power Plants:
SF6 Circuit Breakers are essential in power plants, safeguarding critical equipment and ensuring the continuous distribution of electricity.
1.What is the maximum voltage rating of this Circuit Breaker?
The LW8-40.5 Circuit Breaker is rated for up to 40.5kV, suitable for a wide range of high-voltage applications.
2.What type of interruption technology does the Circuit Breaker use?
This Circuit Breaker uses vacuum interrupter technology, which offers exceptional arc-quenching capabilities and low-maintenance performance.
3.Can the LW8-40.5 Circuit Breaker be used in outdoor applications?
Yes, this SF6 Circuit Breaker is suitable for both indoor and outdoor use, depending on your specific installation needs.
4.How often does the Circuit Breaker need maintenance?
The vacuum SF6 Circuit Breaker requires minimal maintenance, with regular checks to ensure long-term performance and reliability.
5.What are the environmental considerations of this product?
The LW8-40.5 Circuit Breaker uses SF6 gas for insulation, which provides excellent protection without causing harm to the environment when properly maintained.
6.What is the breaking capacity of the LW8-40.5 Circuit Breaker?
The Circuit Breaker offers a breaking capacity of up to 31.5kA, ensuring effective protection in high-voltage electrical systems.
High Voltage Capability:
The Circuit Breaker is designed for high-voltage applications, suitable for voltages up to 40.5kV, ensuring compatibility with various power systems.
Vacuum Interruption Technology:
Utilizing vacuum interrupter technology, this Circuit Breaker offers superior arc-quenching performance, reducing arc damage and extending the lifespan of the breaker.
SF6 Gas Insulated:
The SF6 Circuit Breaker ensures excellent dielectric properties by using SF6 gas for insulation, providing reliable operation under harsh environmental conditions.
High Breaking Capacity:
With a breaking capacity of up to 31.5kA, the SF6 Circuit Breaker ensures efficient fault clearing, providing protection for high-voltage electrical systems.
Compact Design:
The Vacuum SF6 Circuit Breaker features a compact and space-saving design, ideal for high-voltage distribution applications with limited space.
Reliable and Low Maintenance:
Designed for durability and minimal maintenance, the SF6 Circuit Breaker offers long-term reliability and reduces the need for frequent interventions.
High performance and reliability:
The circuit breakers guarantee excellent performance and reliability even under extreme operating conditions, ensuring optimal protection of high-voltage systems.
Reduce downtime:
SF6 circuit breakers have fast response times and excellent arc-extinguishing capabilities, minimizing downtime and increasing the operational efficiency of the grid.
Reduce maintenance costs:
Because of its low-maintenance design, this circuit breaker significantly reduces operating and maintenance costs, helping to reduce total cost of ownership.
Space-saving design:
Vacuum SF6 circuit breakers are compact and ideally suited for space-constrained applications, allowing efficient use of substation area.
Advanced protection features:
SF6 circuit breakers feature advanced protection features that provide fault isolation and fast arc suppression, ensuring comprehensive system protection.
Power Substations:
Ideal for Circuit Breaker applications in high-voltage substations, ensuring safe and efficient power distribution in industrial and urban infrastructure.
Electric Power Systems:
The LW8-40.5 Circuit Breaker is commonly used in electric power systems for transmission and distribution, providing reliable fault protection.
Renewable Energy:
This SF6 Circuit Breaker is an excellent choice for renewable energy systems like wind and solar farms, where reliable high-voltage control and protection are necessary.
Industrial Applications:
Used in industries that require high-voltage distribution systems, the Circuit Breaker ensures safe and efficient power handling in critical industrial settings.
Power Plants:
SF6 Circuit Breakers are essential in power plants, safeguarding critical equipment and ensuring the continuous distribution of electricity.
1.What is the maximum voltage rating of this Circuit Breaker?
The LW8-40.5 Circuit Breaker is rated for up to 40.5kV, suitable for a wide range of high-voltage applications.
2.What type of interruption technology does the Circuit Breaker use?
This Circuit Breaker uses vacuum interrupter technology, which offers exceptional arc-quenching capabilities and low-maintenance performance.
3.Can the LW8-40.5 Circuit Breaker be used in outdoor applications?
Yes, this SF6 Circuit Breaker is suitable for both indoor and outdoor use, depending on your specific installation needs.
4.How often does the Circuit Breaker need maintenance?
The vacuum SF6 Circuit Breaker requires minimal maintenance, with regular checks to ensure long-term performance and reliability.
5.What are the environmental considerations of this product?
The LW8-40.5 Circuit Breaker uses SF6 gas for insulation, which provides excellent protection without causing harm to the environment when properly maintained.
6.What is the breaking capacity of the LW8-40.5 Circuit Breaker?
The Circuit Breaker offers a breaking capacity of up to 31.5kA, ensuring effective protection in high-voltage electrical systems.
No. | Item | Unit | Data | ||
1 | Rated Voltage | kV | 40.5 | ||
2 | Rated Insulation Level | Lightning Impulse Withstand Voltage (Full-wave Peak Value) | 185/215 (Fracture) | ||
Power Frequency Withstand Voltage (1 minute) | 95 | ||||
3 | Rated Current | A | 1600, 2000 | ||
4 | Mechanical Life | Times | 3000 | ||
5 | SF6 Gas Rated Pressure (gauge pressure at 20oC) | Mpa | 0.45 | ||
6 | Locked Pressure (gauge pressure at 20oC) | Mpa | 0.45 | ||
7 | Minimum Operating Ambient Temperature | oC | -30 | ||
8 | Rated Short-Circuit Breaking Current | kA | 25, 31.5 | ||
9 | Rated Short-Circuit Closing Current (Peak Value) | 63, 80 | |||
10 | Rated Short-Circuit time Withstand Current (Thermal Stable Current) | 25, 31.5 | |||
11 | Rated Peak Value Withstand Current (Strive to Stabilize the Current) | 63, 80 | |||
12 | Rated Out of Step Breaking Current | 63, 80 | |||
13 | Rated Short-circuit Continuous Time | S | 4 | ||
14 | Closing - Opening Time | Not more than 0.1 | |||
15 | Opening - Closing Time | Not more than 0.1 | |||
16 | Rated Operating Order | Open- 0.3s - Close Open - 180s - Close Open | |||
17 | Rated Opening and Closing Current of Single Capacitor Bank | A | 400 | ||
18 | Under Rated Short-Circuit Breaking Current's Cumulative Breaking Times | Times | 15, 10 | ||
19 | Annual Leakage Gas | % year | Not more than 1 | ||
20 | SF6 Gas Moisture content (20oC) | PPm (V) | Not more than 50 | ||
21 | Rated Operating Voltage of CT14 Spring Operating Mechanism | V | 220V | ||
Closing Coil, Opening Coil Voltage | AC220, DC110, 220 | ||||
Voltage of Energy Storage Motor | AC220, DC220 | ||||
22 | SF6 Gas Weight | Kg | 8 | ||
23 | Circuit Breaker (Including Operating Mechanism) Weight | 1400 | |||
Note: If the altitude is over 1000m, the rated insulation level should be modified as appropriate. |
No. | Item | Unit | Data | ||
1 | Rated Voltage | kV | 40.5 | ||
2 | Rated Insulation Level | Lightning Impulse Withstand Voltage (Full-wave Peak Value) | 185/215 (Fracture) | ||
Power Frequency Withstand Voltage (1 minute) | 95 | ||||
3 | Rated Current | A | 1600, 2000 | ||
4 | Mechanical Life | Times | 3000 | ||
5 | SF6 Gas Rated Pressure (gauge pressure at 20oC) | Mpa | 0.45 | ||
6 | Locked Pressure (gauge pressure at 20oC) | Mpa | 0.45 | ||
7 | Minimum Operating Ambient Temperature | oC | -30 | ||
8 | Rated Short-Circuit Breaking Current | kA | 25, 31.5 | ||
9 | Rated Short-Circuit Closing Current (Peak Value) | 63, 80 | |||
10 | Rated Short-Circuit time Withstand Current (Thermal Stable Current) | 25, 31.5 | |||
11 | Rated Peak Value Withstand Current (Strive to Stabilize the Current) | 63, 80 | |||
12 | Rated Out of Step Breaking Current | 63, 80 | |||
13 | Rated Short-circuit Continuous Time | S | 4 | ||
14 | Closing - Opening Time | Not more than 0.1 | |||
15 | Opening - Closing Time | Not more than 0.1 | |||
16 | Rated Operating Order | Open- 0.3s - Close Open - 180s - Close Open | |||
17 | Rated Opening and Closing Current of Single Capacitor Bank | A | 400 | ||
18 | Under Rated Short-Circuit Breaking Current's Cumulative Breaking Times | Times | 15, 10 | ||
19 | Annual Leakage Gas | % year | Not more than 1 | ||
20 | SF6 Gas Moisture content (20oC) | PPm (V) | Not more than 50 | ||
21 | Rated Operating Voltage of CT14 Spring Operating Mechanism | V | 220V | ||
Closing Coil, Opening Coil Voltage | AC220, DC110, 220 | ||||
Voltage of Energy Storage Motor | AC220, DC220 | ||||
22 | SF6 Gas Weight | Kg | 8 | ||
23 | Circuit Breaker (Including Operating Mechanism) Weight | 1400 | |||
Note: If the altitude is over 1000m, the rated insulation level should be modified as appropriate. |
USAGE: ENVIRONMENTAL CONDITION
1. Altitude: ≤ 1000m, If the altitude is higher than 1000m, the rated insulation level shall be corrected accordingly.
2. Ambient temperature: -40 oC ~ +45 oC,
3. Maximum daily temperature difference: 25 K
4. Humidity: Average daily relative humidity: 95%, average monthly relative humidity: 90%.
5. Sunshine intensity: not more than 0.1W/cm 2
6. Wind Speed: 34m/s
7. Wind pressure: 700Pa
8. Pollution level: e - level
9. Icing thickness: Not more than 10mm
10. Resistance to floor drain: horizontal acceleration 0.3g, vertical acceleration 0.2g
USAGE: ENVIRONMENTAL CONDITION
1. Altitude: ≤ 1000m, If the altitude is higher than 1000m, the rated insulation level shall be corrected accordingly.
2. Ambient temperature: -40 oC ~ +45 oC,
3. Maximum daily temperature difference: 25 K
4. Humidity: Average daily relative humidity: 95%, average monthly relative humidity: 90%.
5. Sunshine intensity: not more than 0.1W/cm 2
6. Wind Speed: 34m/s
7. Wind pressure: 700Pa
8. Pollution level: e - level
9. Icing thickness: Not more than 10mm
10. Resistance to floor drain: horizontal acceleration 0.3g, vertical acceleration 0.2g