Electrical circuit breaker operating handle block

H - Electricity – 01 – H

Patent

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Details

H01H 9/22 (2006.01) H01H 71/50 (2006.01)

Patent

CA 2043675

ABSTRACT OF THE DISCLOSURE Apparatus which is mechanically connected to and out of direct contact of the handle arm of an electrical circuit breaker to prevent the operating handle of the circuit breaker from being moved to the OFF position, when the contacts of the circuit breaker are closed due to welded contacts or obstruction of the contact arm car- riers.

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