Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Automatic circuit-interrupting devices
Patent
1994-06-23
1996-01-09
Donovan, Lincoln
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Automatic circuit-interrupting devices
335202, H01M 7300
Patent
active
054832110
ABSTRACT:
A miniature circuit breaker with two thermal-magnetic poles has an electronic trip device providing ground fault, and sputtering arc fault (if desired), protection located entirely in a large central compartment of a molded housing between compartments housing the two mechanical poles. The molded housing is assembled from a top base and top cover forming a compartment for the thermal-magnetic trip device of the first pole, and a bottom cover and a bottom base forming the compartment for the second mechanical pole. A hollow center piece mates with the top and bottom bases to form the single, large electronics compartment.
REFERENCES:
patent: 3566318 (1971-02-01), Gelzheiser et al.
patent: 3999103 (1976-12-01), Misencik et al.
patent: 4568899 (1986-02-01), May et al.
patent: 4641217 (1987-02-01), Morris et al.
patent: 5260676 (1993-11-01), Patel et al.
Bradley Robert D.
Carrodus Melvin A.
Theadore Garry B.
Whipple Michael J.
Donovan Lincoln
Eaton Corporation
Moran Martin J.
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