Two or more than two poles switch means having unequal contact g

Details Two or more than two poles switch means having unequal contact g Two or more than two poles switch means having unequal contact g

1984-11-01

1986-04-22

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Arc suppression at switching point

200 10, 200145, 335201, H01H 3314

Patent

active

045846219

ABSTRACT:
A contact point structure for two pole or more than two pole switches and relays. Each pair of contact points has a different turn-off capacity and a different contact gap so that opening and closing the multi-pole switch will sequentially open or close the pairs of contact points thereby limiting arcing to only one pair of contact points.

REFERENCES:
patent: 1342999 (1920-06-01), Hutt
patent: 3038980 (1962-06-01), Lee
patent: 3739192 (1973-06-01), Oswald
patent: 4000480 (1976-12-01), Gray et al.

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