High voltage contactor

Details High voltage contactor High voltage contactor

1975-06-11

1977-07-26

Broome, Harold

Electricity: electrothermally or thermally actuated switches

With separate distinct diverse art-type switching device

Fusible element device with other

335132, 361194, H01H 8300

Patent

active

040386260

ABSTRACT:
Contactors and housings therefor wherein the contactor is provided with blow-out coils brought into circuit by the arc; arc extinguishers; and fuses in series with the contacts; a closing and holding magnet for operating the contacts; anti-single-phasing operation to open the contacts in response to overload interruption by a fuse; the housings being of modular arrangement to form a uniform control center and being provided with racking means for inserting and removing the contactors with the door closed; and means for protecting the operator including the closing off of access to at least the line bus when the contactor is racked out and disabling the racking mechanism when the contactor contacts are closed.

REFERENCES:
patent: 3403239 (1968-09-01), Schramm et al.
patent: 3510811 (1970-05-01), Pokorny et al.
patent: 3568008 (1971-03-01), Tanimura et al.
patent: 3638157 (1972-01-01), Kruzic
patent: 3921109 (1975-11-01), Hodgson

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