Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Contact-actuating means
Patent
1988-09-30
1990-04-10
Picard, Leo P.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Contact-actuating means
335195, 335 16, H01H 300
Patent
active
049164210
ABSTRACT:
A current limiting circuit interrupter consisting of a modular unit housed in an insulating case and provided with two fixed contact arms and two movable contact arms. The movable contact arms can be actuated automatically by means of a rod coupled to an operating mechanism as well as by means of an electromagnetic actuator. The operating mechanism includes a lever and a rotating bracket arranged to hold the movable contacts in an open condition when the electromagnet within the electromagnetic actuator is de-energized.
REFERENCES:
patent: 3533027 (1970-10-01), Hanafusa et al.
patent: 3559119 (1971-01-01), Koennecke et al.
patent: 4616198 (1986-10-01), Pardini
patent: 4649247 (1987-03-01), Preuss et al.
Benetti Tonino
Pardini Franco
Bernkopf Walter C.
Donovan Lincoln
General Electric Company
Jacob Fred
Menelly Richard A.
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