Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – With arc-suppression or extinguishing means
Patent
1992-02-06
1992-12-15
Donovan, Lincoln
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
With arc-suppression or extinguishing means
335 16, H01H 930
Patent
active
051720884
ABSTRACT:
Since industrial-rated circuit breakers are often located remote from the associated protected electrical equipment it is often times necessary to monitor the operation of such electrical equipment by observing the condition of the circuit breaker contacts to ensure that such equipment remains operational. When a plurality of such circuit breakers are mounted within a common enclosure, an auxiliary device within each of the circuit breakers readily provides visual indication of the ON-OFF condition of the circuit breaker contacts. With such auxiliary devices, an actuator-reset lever is used to interface between the circuit breaker operating mechanism, the circuit breaker trip mechanism and the auxiliary device to activate the auxiliary device when the circuit breaker contacts are open and closed and to reset the trip mechanism when the circuit breaker contacts are opened.
REFERENCES:
patent: 3582966 (1971-06-01), Strobel
patent: 4086460 (1978-04-01), Gillette
patent: 4654490 (1987-03-01), Leone et al.
Donovan Lincoln
General Electric Company
Menelly Richard A.
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