LW10B-550
Inquire NowDescription
LW10B-550 is a high-performance SF6 circuit breaker that features a unique design consisting of one post, two interrupters, and a single mechanism for each pole. This versatile circuit breaker can operate in both single-pole and three-pole modes, making it adaptable to various power system requirements. Since its introduction in 1998, it has been rigorously tested in CESI, Italy, and has successfully serviced over 1,000 units across power systems in countries like Iran, Iraq, and India. Its proven reliability and robust construction make it an ideal choice for high-voltage applications.
Specifications
| Parameter | Unit | Value CY | Value YT |
|---|---|---|---|
| Rated Voltage | kV | 550 | |
| Rated Frequency | Hz | 50 | |
| Rated Current | A | 3150 | 4000 |
| Rated Short-Circuit Breaking Current | kA | 50 | 63 |
| Short-Line Fault Breaking Current | kA | 45 | 56.7 |
| Rated Out-of-Phase Breaking Current | kA | 12.5 | 15.75 |
| Rated Peak Withstand Current | kA | 125 | 160 |
| Rated Short-Circuit Making Current (Peak) | kA | 125 | 160 |
| Rated Short-Time Withstand Current | kA | 50 | 63 |
| Rated Short-Circuit Duration | s | 3 | |
| Rated Line Charging Breaking Current (rms) | A | 500 |
Additional Information
– The LW10B-550 has a robust design and has been successfully integrated into various international power systems.
– Ideal for applications requiring high reliability in high-voltage environments.
