DEVICE FOR SETTING SPRING OF COMPRESSED-AIR CIRCUIT BREAKER Russian patent published in 2010 - IPC H01H3/30

Abstract RU 2401471 C2

FIELD: electricity.

SUBSTANCE: device for setting spring of compressed-air circuit breaker contains driving plates, drive motor, and secondary gear. It is equipped with at least one or more microswitches and changeover lever to turn on/off the microswitches capable to compress the spring and warn about completion of spring compression when setting is over.

EFFECT: improvement of efficiency when user operates compressed-air circuit breaker.

10 cl, 11 dwg

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RU 2 401 471 C2

Authors

Li San Chkhol'

An Kil En

Dates

2010-10-10—Published

2008-08-19—Filed