Operating mechanism for a low voltage electrical...

Details Operating mechanism for a low voltage electrical... Operating mechanism for a low voltage electrical...

H - Electricity

01

H

306/328

H01H 71/52 (2006.01)

Patent

CA 1279356

ABSTRACT OF THE DISCLOSURE: A mechanism for a circuit breaker includes a support lever insulated from a contact arm and a trip lever supported by a plate fitted with limited swivelling on a pivot. A mechanical link arranged between a toggle- joint and the contact arm includes a latching stop fixed on the plate. The stop is formed by a notch cooperating with a step of the trip lever to push the end of a toggle rod back to a retracted unlatched position, as soon as the trip lever is actuated to the tripped position. The support lever is equipped with a locking arm having a sloping part cooperating with a pawl of the handle to form a high-speed contact closing device.

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