Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Automatic circuit-interrupting devices
Patent
1979-10-26
1981-10-27
Broome, Harold
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Automatic circuit-interrupting devices
200303, 335202, H01H 7306, H01H 7308
Patent
active
042976634
ABSTRACT:
Various circuit breaker accessories, such as a shunt trip, an undervoltage release, an auxiliary switch, and a bell alarm, are individually packaged in a standardized molded insulative accessory case for ultimate factory or even field installation in a molded case, automatic power circuit breaker.
REFERENCES:
patent: 3636482 (1972-01-01), Edmunds
patent: 4075584 (1978-02-01), Castonguay et al.
patent: 4077024 (1978-02-01), Lisnay
patent: 4097831 (1978-06-01), Jencks et al.
patent: 4166260 (1979-08-01), Gillette
Murphy Frank H.
Seymour Raymond K.
Bernkopf Walter C.
Broome Harold
Cahill Robert A.
General Electric Company
Schlamp Philip L.
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