Electromagnetic contactor arc chute

Details Electromagnetic contactor arc chute Electromagnetic contactor arc chute

1978-06-16

1981-03-17

Scott, James R.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200147R, H01H 3302

Patent

active

042569370

ABSTRACT:
An arc chute for a clapper-type electromagnetic D.C. contactor having a closed off top wall with tapered and angled holes therethrough directing jets of air, caused by the arc when the contact tips separate, to the front of the arc chute thereby preventing the arc from moving directly above the contactor and as a result decreasing overhead clearance between contactors and, further improving the upper limit on fault current interruptions.

REFERENCES:
patent: 2071595 (1937-02-01), Trofimov
patent: 2147430 (1939-02-01), Ellis et al.
patent: 2285643 (1942-06-01), Beiersdorf et al.
patent: 2443521 (1948-06-01), Scott, Jr.
patent: 2836683 (1958-05-01), Souchet
patent: 3525059 (1970-08-01), Schramm et al.

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