Contactor apparatus comprising automatic opening means and a loc

Details Contactor apparatus comprising automatic opening means and a loc Contactor apparatus comprising automatic opening means and a loc

1982-11-09

1984-09-25

Miller, J. D.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

307131, 200DIG42, 200153L, 335 6, 335 41, 335175, H01H 4700, H01H 7702

Patent

active

044738609

ABSTRACT:
A contactor apparatus is provided comprising automatic opening means and a local control member.
This apparatus uses a transmission piece (40) associated with a sudden tripping mechanism (46) which is released by a bolt (29) held in position by means of a lever (24) which may be struck by a magnetizable part and adapted to maintain a power contact (13) open, this part assuming, after the appearance of a fault, visible positions so as to inform the user about the state of the apparatus.
This apparatus is usable in installations where it is desired to protect the lines and the loads.

REFERENCES:
patent: 3921109 (1975-11-01), Hodgson
patent: 3940723 (1976-02-01), Horikawa
patent: 4077026 (1978-02-01), Slade et al.
patent: 4149053 (1979-04-01), Long
patent: 4247745 (1981-01-01), Wilson
patent: 4258343 (1981-03-01), Kussy
patent: 4400670 (1983-08-01), Mostosi

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