Circuit breaker having improved line strap construction

Details Circuit breaker having improved line strap construction Circuit breaker having improved line strap construction

1977-03-17

1978-04-25

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200144R, 200147R, H01H 3312

Patent

active

040864600

ABSTRACT:
A longitudinally elongated, planar line strap for circuit breakers mounts on its upper surface adjacent one end a pair of transversely aligned, spaced apart main contacts. An arcing contact is mounted on a lanced-up portion of the strap joined to the strap body at a location intermediate the main contacts. An elongated arc runner is cantilever mounted to the free end of the lanced-up strap portion for extension out into an arc chute. The current in the strap flows along paths effective to motivate an arc off the main contacts and out onto the arcing contact and thence the arc runner where it is captured by the arc chute.

REFERENCES:
patent: 3118036 (1964-01-01), Gauthier et al.
patent: 3589329 (1971-06-01), Walker et al.
patent: 3749867 (1973-07-01), Rexroad
patent: 3784775 (1974-01-01), Gryctko

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