Special provisions for network protector retrofits

Details Special provisions for network protector retrofits Special provisions for network protector retrofits

2007-12-12

2009-06-09

Lee, Kyung (Department: 2832)

Electricity: circuit makers and breakers

Interlocking

Drawout-type switchgear

C200S400000, C335S008000, C361S624000

Reexamination Certificate

active

07544907

ABSTRACT:
A retrofit assembly structured to allow a CM22 type circuit breaker to engage, and be enclosed by, a CMD type circuit breaker tank is provided. The retrofit assembly includes a levering mechanism, a circuit breaker bus assembly having bus support members, and a door handle system structured to allow a user to actuate the circuit breaker contacts when the tank is closed.

REFERENCES:
patent: 4620076 (1986-10-01), Mrenna et al.
patent: 5488337 (1996-01-01), Hubbard et al.
patent: 6211759 (2001-04-01), Little et al.
patent: 6930577 (2005-08-01), Subramanian et al.

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