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Sweden Circuit breaker with three – position load switch
Category:
SwedenElectrical Components
+86-15100871888
Product Description
Main Technical Parameters:
| Project | Unit | Parameter |
| Rated frequency | Hz | 50/63 |
| Rated current | A | 630/1250 |
| Rated short-time withstand current | kA | 20/25 |
| Rated peak withstand current | kA | 50/63 |
| Rated short-circuit duration | s | 4 |
| Rated short-circuit closing current | kA | 50/63 |
| Mechanical operating life | Times | 5000 |
Usage Conditions:
- Altitude: not more than 2000m;
- Earthquake intensity: not more than 8 degrees;
- Air temperature: -30℃ ~40℃;
- Relative temperature: daily average not more than 95%, monthly average not more than 90%;
- Installation site: It is not suitable for installation in places with frequent severe vibration, water vapor, gas, chemical corrosive deposition, salt spray, dust and dirt and fire, and explosion hazards that obviously affect the performance of the mechanism.
The Circuit Breaker with Three-Position Load Switch is a critical component designed for electrical protection in various industrial and commercial applications. With a rated frequency of 50/63 Hz and a rated current of 630/1250 A, this circuit breaker ensures reliable operation and safety in medium voltage power systems. It is equipped with a rated short-time withstand current of 20/25 kA and a rated peak withstand current of 50/63 kA, allowing it to handle substantial fault currents without damage.
This circuit breaker features a rated short-circuit duration of 4 seconds, offering protection against sustained faults. The three-position load switch provides flexibility, enabling safe and efficient operation, as well as reliable switching between different load states. The mechanical operating life of the circuit breaker is rated for 5,000 operations, ensuring long-term durability and minimal maintenance requirements.
For optimal performance, the circuit breaker is designed for usage in environments with specific conditions. It is suitable for altitudes of up to 2,000 meters and can operate in environments with temperatures ranging from -30°C to 40°C. Additionally, the device is built to function in areas with a relative humidity of up to 95% daily and 90% monthly average.
The installation site should be free from frequent severe vibrations, moisture, chemical corrosive substances, salt spray, and dust, as these factors may adversely affect the performance of the mechanism. Furthermore, it is not recommended for locations with fire or explosion hazards. This circuit breaker with a three-position load switch is an essential tool for ensuring the protection and stability of electrical systems in both commercial and industrial environments, providing enhanced safety, reliability, and efficiency.
1B601, Lefu Square, No. 481 Guangming Avenue, Dongkeng Community, Fenghuang Street, Guangming District, Shenzhen
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