Compact disconnect switch having broadly variable current rating

Details Compact disconnect switch having broadly variable current rating Compact disconnect switch having broadly variable current rating

1987-02-09

1991-10-29

Cusick, Ernest G.

Electricity: circuit makers and breakers

Electric switch details

Contact

200 16F, 200 48KB, 200 48R, 200260, 200282, 200273, 200570, H01H 3100

Patent

active

050618334

ABSTRACT:
Compact electrical power disconnect switch modularized to provide very broad current rating and comprising reverse-loop fingers which cooperate in pairs and form flexible spring-loaded contact members. An enlongated rotatable contact member is positioned between the reverse-loop fingers and makes and breaks electrical contact with same upon being rotated. Operation is fast and positive and three-phase power can readily be accommodated. A viewing window can be provided for a rapid check of the position of the switch.

REFERENCES:
patent: 2303119 (1942-11-01), Froland
patent: 2644864 (1953-07-01), Childs, Sr.
patent: 2679567 (1954-05-01), Kradel
patent: 3118990 (1964-01-01), Jansson
patent: 3388225 (1968-06-01), Foti
patent: 3711662 (1973-01-01), Kuhn
patent: 3836737 (1979-09-01), Redfern
patent: 4001530 (1977-01-01), Redfern
patent: 4015112 (1977-03-01), Castaldo
patent: 4105878 (1978-08-01), Date et al.
patent: 4339626 (1982-07-01), Cleaveland et al.
patent: 4379956 (1983-04-01), Cleaveland et al.

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