High voltage circuit breaker according to generally arc extinguishing medium and the mode classification:

1. oil circuit breaker
2. less oil circuit breakers
3. vacuum circuit breakers
4. circuit breakers sulfur hexafluoride
5. compressed air circuit breaker
6. gas circuit breaker
7. magnetic blow the solid product breaker.

The main technical parameters of high voltage circuit breaker:

1. the rated voltage,
2. rated current
3. rated breaking current
4. rated breaking capacity
5. maximum switching current,
6. the current limit through current
7. thermal stability
8. other performance parameters.