Trip bar assembly for a multi-pole circuit breaker

Details Trip bar assembly for a multi-pole circuit breaker Trip bar assembly for a multi-pole circuit breaker

H - Electricity

01

H

306/284

H01H 73/36 (2006.01) H01H 71/10 (2006.01)

Patent

CA 1101027

D-4023 (CSD/WO) TRIP BAR MEANS SUBASSEMBLY ABSTRACT OF THE DISCLOSURE A multi-pole circuit breaker is provided with a trip bar means subassembly including a molded bar having integrally formed bearings defining a pivot axis for the subassembly remote from the bar. The bar also includes an integrally formed projection for releasing a latch of a trip free contact operat- ing means. The assembly also includes an exten- sion unit of formed sheet metal and an elongated pin pivotally connecting the unit to the bar. The unit includes an elongated main section and links individu- ally connected to overload sensing means of each role. The links are spaced along the length of the main section extending transverse to the longitudinal axis thereof with the latter being generally parallel to the pin.

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