VAKUUMSCHALTER MIT ZWEI IN REIHE GESCHALTETEN SCHALTROEHREN JE POL

VAKUUMSCHALTER MIT ZWEI IN REIHE GESCHALTETEN SCHALTROEHREN JE POL

A vacuum circuit breaker (1) having two switching tubes (5) which are electrically connected in series and aligned coaxially. By means of an offset drive unit (toggle lever system 26) two motions that are contrary to one another are produced for the drive tappets (15) of the breaker tubes (5), from...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: STEINEMER,NORBERT
Format: Patent
Sprache:ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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Beschreibung
Zusammenfassung:A vacuum circuit breaker (1) having two switching tubes (5) which are electrically connected in series and aligned coaxially. By means of an offset drive unit (toggle lever system 26) two motions that are contrary to one another are produced for the drive tappets (15) of the breaker tubes (5), from the common drive motion of a rod (11). The contact pressure springs (32) of the two switching tubes (5) are directly or indirectly connected to a common stationary support (35) which can be unfastened and moved to a new position. Simultaneous contacting or separation of the breaker elements of the two breaker tubes produced by the common drive is ensured by loosening the bearing block, after releasing the connection with the common drive mechanism, and fastening it again after the force differential has been automatically compensated for. The invention is suitable for vacuum circuit breakers in the medium-voltage range, such as those used to supply power to railroads.