CONTACT MONITORING DEVICE FOR VACUUM CIRCUIT BREAKER AND VACUUM CIRCUIT BREAKER HAVING SAME

CONTACT MONITORING DEVICE FOR VACUUM CIRCUIT BREAKER AND VACUUM CIRCUIT BREAKER HAVING SAME

The present invention provides a contact monitoring device for a vacuum circuit breaker. The contact monitoring device is provided in a vacuum circuit breaker comprising: a vacuum interrupter having a fixed electrode which is fixed in an insulating container and is provided with a fixed contact at o...

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Format: Patent
Sprache:eng ; fre ; ger
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BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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description The present invention provides a contact monitoring device for a vacuum circuit breaker. The contact monitoring device is provided in a vacuum circuit breaker comprising: a vacuum interrupter having a fixed electrode which is fixed in an insulating container and is provided with a fixed contact at one end, and a movable electrode which is installed in the insulating container to be able to be lifted or lowered wherein the vacuum interrupter is provided with a movable contact at one end, the movable contact contacting or being separated from the fixed contact when the movable electrode is lifted or lowered; and a push rod assembly which is coupled to the other end of the movable electrode and lifts or lowers the movable electrode. In addition, the present invention provides a vacuum circuit breaker having the contact monitoring device.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
title CONTACT MONITORING DEVICE FOR VACUUM CIRCUIT BREAKER AND VACUUM CIRCUIT BREAKER HAVING SAME
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