KNIFE SWITCH DEVICE

It is provided a knife switch device for use in a switchgear or a ring main unit, the knife switch device including a stationary contact member 20, and a movable contact member 10, the movable contact member 10 being rotatable about a main revolute joint 11 for selectively opening and closing the kn...

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Bibliographic Details
Main Authors Saxegaard, Magne, Lauritzen, Richard, Lohne, Stanley, Talmo, Stale, West, John Rune
Format Patent
LanguageEnglish
French
German
Published 23.06.2021
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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Summary:It is provided a knife switch device for use in a switchgear or a ring main unit, the knife switch device including a stationary contact member 20, and a movable contact member 10, the movable contact member 10 being rotatable about a main revolute joint 11 for selectively opening and closing the knife switch device, the movable contact member 10 including at least a first segment 14 and a second segment 16, the first segment 14 and the second segment 16 being coupled by an auxiliary revolute joint 12, wherein the main revolute joint 11 is arranged on the second segment 16, and wherein a rotation axis of the main revolute joint 11 is substantially parallel to a rotation axis of the auxiliary revolute joint 12.
Bibliography:Application Number: EP20190218094