Universal circuit breaker interlock arrangement

Details Universal circuit breaker interlock arrangement Universal circuit breaker interlock arrangement

1989-04-26

1990-05-08

Scott, J. R.

Electricity: circuit makers and breakers

Interlocking

Between plural switches

H01H 926

Patent

active

049240412

ABSTRACT:
A universal circuit breaker interlock arrangement allows two circuit breakers to be interlocked such that only one of the circuit breakers is on at one time. The circuit breakers can be interlocked, per se, or when used with an electrical motor operator or with a manual rotary operator. The slidably mounted interlock arrangement also allows interlock function between two electric switches as well as between an electric switch.

REFERENCES:
patent: 2080964 (1937-05-01), Forstrom
patent: 2557351 (1951-06-01), Jacobson
patent: 3171920 (1965-03-01), Klein et al.
patent: 3206585 (1965-09-01), Gryctko
patent: 3312797 (1967-04-01), Harrington et al.
patent: 3319020 (1967-05-01), Shaffer
patent: 3369100 (1968-02-01), Kussy et al.
patent: 3722313 (1973-03-01), Schadow
patent: 3778633 (1973-12-01), DeVisser et al.
patent: 4295054 (1981-10-01), Kovatch et al.
patent: 4827089 (1989-05-01), Morris et al.

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