| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a gas breaker that facilitates assembling process, enhances reliability, simplifies production control, and reduces cost. SOLUTION: A gas blast circuit breaker comprises a plurality of arc- extinguishing chambers 4 for cutting off multiphase currents sealed in a grounding vessel 2 together with an insulating gas. The insulating casing 4d for partitioning the arc-extinguishing chambers is integrally formed with multiphase.</p> |
