Circuit breaker with trip indication arrangement

Details Circuit breaker with trip indication arrangement Circuit breaker with trip indication arrangement

1999-06-02

2000-08-15

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

H01H 7312

Patent

active

061042668

ABSTRACT:
A visible trip indication arrangement for a circuit breaker. The visible trip indication arrangement comprises a viewing window forming a part of the breaker housing, the viewing window including indicia thereon that is readily or enhancedly visible when the circuit breaker has been tripped and essentially not visible when the circuit breaker is operating by way of a trip indicator that moves under and aligns with the viewing window when the circuit breaker is in the tripped condition. The trip indicator having a brightly colored surface, causes the indicia on the viewing window to be readily visible by way of the reflected light off a surface thereof.

REFERENCES:
patent: 3401363 (1968-09-01), Vyskocil et al.
patent: 3443258 (1969-05-01), Durham et al.
patent: 4598183 (1986-07-01), Gardner et al.
patent: 4652867 (1987-03-01), Masot
patent: 5003139 (1991-03-01), Edds et al.
patent: 5089796 (1992-02-01), Glennon et al.
patent: 5694101 (1997-12-01), Lavell et al.
patent: 5831500 (1998-11-01), Turner et al.

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