| 摘要 |
The invention relates to a circuit breaker that can be switched between an ON position and an OFF position, such that in the OFF position an interruption path comprising an arcing space is formed. The circuit breaker comprises a storage volume for a quenching gas, which is in gaseous communication with the arcing space and has an inlet port for the quenching gas. The inlet port also has a valve comprising an obturator, and the obturator has a heat-insulating coating. |
