External disconnect mechanism integrated with an electrical...

Details External disconnect mechanism integrated with an electrical... External disconnect mechanism integrated with an electrical...

2006-01-31

2006-01-31

Lee, Kyung (Department: 2832)

Electricity: circuit makers and breakers

Interlocking

Drawout-type switchgear

C200S04800A, C200S321000, C200S335000, C335S068000

Reexamination Certificate

active

06992256

ABSTRACT:
A disconnect mechanism for an electrical system that is integrated with the enclosure of the system, yet includes an external handle for closing and opening the electrical circuit. The invention utilizes the system's circuit breaker to switch the current on or off, eliminating the need for a separate external disconnect. Moving parts are limited to an external actuating handle connected by a shaft to an actuating arm, which has an opening whose inner edges press against a pin connected to the circuit breaker to trigger its movement between the on and off positions. Automatic tripping of the circuit breaker during a system overload moves the external handle to the off position, furnishing visual evidence of the systems working status. A watertight seal maintains the integrity of the electrical system's enclosure.

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