Switching apparatus having a withdrawable-part rack and a...

Details Switching apparatus having a withdrawable-part rack and a... Switching apparatus having a withdrawable-part rack and a...

2006-11-28

2006-11-28

Friedhofer, Michael A. (Department: 2832)

Electricity: circuit makers and breakers

Interlocking

Drawout-type switchgear

C200S050270

Reexamination Certificate

active

07141747

ABSTRACT:
A power circuit breaker is intended to be effectively locked in a simple manner in a withdrawable-part rack. For this purpose, a locking device is provided having a first component, which is fixed in the withdrawable-part rack, and a second component, which is fixed to the power circuit breaker. The first component and the second component do not engage with one another in the inserted position. However, in the event of a short circuit they engage with one another in a tilted position of the power circuit breaker, which position is rotated with respect to the inserted position, with the result that the power circuit breaker is locked in the withdrawable-part rack.

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