Electric operating device for circuit breaker

An electric operating device for a circuit breaker includes a cam which is turned in a predetermined direction by an electric motor which rotates in response to operating signals, and a slider having cam engaging portions which make engagement and disengagement every half revolution of the cam, and...

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Bibliographic Details
Main Authors YOKOTA; SHINJI, IKEHATA; YOUJI
Format Patent
LanguageEnglish
Published 07.02.1995
Edition6
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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Summary:An electric operating device for a circuit breaker includes a cam which is turned in a predetermined direction by an electric motor which rotates in response to operating signals, and a slider having cam engaging portions which make engagement and disengagement every half revolution of the cam, and an opening into which the handle of the circuit breaker is inserted, the slider being slidable in the directions of the "on" and "off" operations of the handle. In the device, in response to the "on" and "off" operations, the cam engaging portions of the slider are disengaged from the cam, respectively. With the device, the tripping of the circuit breaker handle can be displayed without an intricate mechanism nor an additional space.
Bibliography:Application Number: US19930070192