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SF6 high-voltage switchgears Vacuum Charging factorys

Spring operating mechanism for high voltage circuit breakers· PDF fileCharging of closing spring The main shaft(1) is rotated through 180 degrees via the worm gear drive(21), by means of the motor(13) or the hand crank(14), in this way tensioning the closing spring(5). Availability is of paramount importance for efficient electricity supply. Reliability of lines, relays and high voltage apparatus are important ...

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