Circuit breaker cradle with an interlock system and a method...

Details Circuit breaker cradle with an interlock system and a method... Circuit breaker cradle with an interlock system and a method...

2008-06-23

2009-06-09

Lee, Kyung (Department: 2832)

Electricity: circuit makers and breakers

Interlocking

Drawout-type switchgear

C200S050270, C361S608000

Reexamination Certificate

active

07544908

ABSTRACT:
A cradle and a method for adapting a circuit breaker for mounting in a switchgear cabinet having a bus bar system. The cradle includes a frame to which a racking apparatus and a locking apparatus are mounted. The racking apparatus is operable to move the cradle into and out of electrical connection with the bus bar system. The locking apparatus has a first operating state, wherein the locking apparatus prevents the circuit breaker from being disposed in the frame and allows the racking apparatus to operate, and a second operating state, wherein the locking apparatus allows the circuit breaker to be disposed in the frame and prevents the racking apparatus from operating.

REFERENCES:
patent: 6545859 (2003-04-01), Leccia
patent: 6951990 (2005-10-01), Miller
patent: 6998550 (2006-02-01), Jur et al.

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