Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Automatic circuit-interrupting devices
Patent
1978-11-07
1981-12-22
Broome, Harold
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Automatic circuit-interrupting devices
335173, 335175, H01H 7710, H01H 7510
Patent
active
043073581
ABSTRACT:
An electromagnetic contactor is fitted with an electromagnet sensitive to overcurrents, to cause the limitation and cut-off of excess currents.
A movable contact bridge is controlled by a spring which holds it against the fixed contacts, and is struck by at least one component which is not connected to it, and which is positioned between it and the armature of the control electromagnet.
REFERENCES:
patent: 3158711 (1964-11-01), Piteo
patent: 3430164 (1969-02-01), Hurtle
patent: 3914720 (1975-10-01), Drubig
patent: 4025883 (1977-05-01), Slade et al.
patent: 4042895 (1977-08-01), Wafer et al.
Haury Andre
Siffroi Lucien
Broome Harold
Drucker William A.
La Telemecanique Electrique
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