Patent ID: 9299519
Filing Date: 2016-03-29
CPC Classification: H01H

Claim Text:
1. A switch comprising: a hermetic vessel filled with an insulating medium; an insulating spacer dividing the hermetic vessel into a first hermetic space and a second hermetic space; an electrode disposed at the insulating spacer, configured to penetrate through the insulating spacer; a first conductor led into the first hermetic space; a second conductor led into the second hermetic space; a first circuit breaker part which inserted a first conductor and the electrode in the first hermetic space and connecting the first conductor and the electrode in a closed state; a second circuit breaker part which inserted a second conductor and the electrode in the second hermetic space and connecting the second conductor and the electrode in a closed state; and wherein the first circuit breaker part has a first contact including the electrode and a first driver which drives the first contact to open/close; wherein the second circuit breaker part has a second contact including the electrode and a second driver which drives the second contact to open/close; wherein the first circuit breaker part are a vacuum circuit breaker in which the first contact is housed in a vacuum vessel; wherein the second circuit breaker part has the second contact larger in dielectric strength than the first contact in the vacuum circuit breaker; and wherein, when performing an interrupting operation from the closed state, the first driver and the second driver open the first contact and the second contact, and the first driver waits for the second contact of the second circuit breaker part to open and then closes the first contact of the vacuum circuit breaker.