Compact motor controller assembly

Details Compact motor controller assembly Compact motor controller assembly

1994-08-24

1995-06-13

Thompson, Gregory D.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electrical power distribution systems and devices

200 50A, H02B 500

Patent

active

054249112

ABSTRACT:
High voltage motor contactors and associated equipment are arranged within upper and lower compartments that are interlocked with the external operator handle to prevent access when the contactors are electrically energized. Low voltage devices used in association with the contactors to provide total motor control function are housed within upper and lower cabinets arranged on the upper and lower compartment doors. An interlock defeat assembly is mounted within the low voltage cabinets to allow emergency access to the compartments while the contactors are still energized.

REFERENCES:
patent: 3198910 (1965-08-01), Burch
patent: 3229056 (1966-01-01), Turnbull
patent: 3621339 (1971-11-01), Hodgson
patent: 3896353 (1975-07-01), Burton et al.
patent: 4073000 (1978-02-01), Krejsa
patent: 4118607 (1978-10-01), Shaffer
patent: 4760220 (1988-07-01), Fritsch
patent: 5057962 (1991-10-01), Alley

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