Vacuum Circuit Breaker
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The Vacuum Circuit Breaker (HTZ-12 series) is a cutting-edge electrical device designed for outdoor applications. It incorporates advanced foreign technology and innovative design concepts to deliver a reliable and efficient performance. This state-of-the-art circuit breaker is suitable for use as the main transformer in 11kV substations and 33kV switch outlets, as well as for distribution networks. When paired with a compatible controller, it enables seamless control, protection, measurement, and communication, thereby facilitating automation and miniaturization in electrical distribution networks.
Specifications
| Name | Unit | Data |
|---|---|---|
| Rated voltage | kV | 12 |
| Rated current | A | 630/1250 |
| Rated power frequency | Hz | 50 |
| Rated short-circuit breaking current | kA | 20 |
| Rated withstand current (peak) | kA | 25 |
| Rated short-time withstand current (4s) | kA | 25 |
| Rated short-circuit making current (peak) | kA | 25 |
| Rated short-circuit breaking time | Secondary | 30 |
| Mechanical life | Cycles | 30,000 |
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