VACUUM CIRCUIT BREAKER

An object is to eliminate, through an inexpensive structure, degradation in withstand voltage performance and degradation in energization performance caused by heating in a vacuum circuit breaker. The vacuum circuit breaker includes a main circuit structure body having an insulation rod, a vacuum va...

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Bibliographic Details
Main Authors KAWANISHI Katsunori, MAEDA Taichi, INOUE Naoaki
Format Patent
LanguageEnglish
Published 15.02.2018
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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Summary:An object is to eliminate, through an inexpensive structure, degradation in withstand voltage performance and degradation in energization performance caused by heating in a vacuum circuit breaker. The vacuum circuit breaker includes a main circuit structure body having an insulation rod, a vacuum valve, a movable side terminal, and the like and an insulating holder for supporting the main circuit structure body. The insulating holder is a frame structure body having opening portions in the top and bottom surfaces and both side surfaces of the section in which the vacuum valve is disposed and the section in which the insulation rod is disposed.
Bibliography:Application Number: US201615556394