Circuit breaker stationary contact strap

Details Circuit breaker stationary contact strap Circuit breaker stationary contact strap

1994-12-15

1995-09-05

Scott, J. R.

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Contact structure

335195, 335196, H01H 106, H01H 3302

Patent

active

054480337

ABSTRACT:
A stationary contact strap for a circuit breaker, with an electrically conductive body portion having a plurality of discrete apertures arrayed in a pattern which define at least two input portions for splitting transient current input into the contact strap into generally parallel pathways which are also in the same general direction as transient current flow in the circuit breaker movable contact arm; and an output portion electrically coupled to the input portions and the fixed stationary main contact, wherein the output portion is oriented so that transient current flow therethrough is in a direction generally opposite to transient current flow in the movable arm.

REFERENCES:
patent: 4086460 (1978-04-01), Gillette
patent: 4467301 (1984-08-01), Goodrich
patent: 4513267 (1985-04-01), McClellan et al.
patent: 4950853 (1990-08-01), Crookston

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