H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/278
H01H 71/10 (2006.01) H01H 9/26 (2006.01) H01H 71/46 (2006.01) H01H 83/20 (2006.01)
Patent
CA 1095958
MEANS CONNECTING CIRCUIT BREAKER AND AUXILIARY FEATURE MODULES ABSTRACT OF THE DISCLOSURE A single pole circuit breaker module is constructed so that its housing is provided with frangible sections aligned with the pivot pins for the Contact arm, the cradle and the operating mechanism latch. These pins are keyed to the elements mounted thereon and each pin is provided with a formation to engage a complementary formation projecting sideways from an auxiliary feature module. The latter includes one or more auxiliary devices. In the case of an auxiliary switch module, the switch thereof is connected to the contact arm pivot pin so that contact arm motion is transmitted to operate the auxiliary switch thereby indicating whether the circuit breaker is open or closed. In the case of an alarm switch auxiliary module, the switch thereof is connected to the pivot pin for the cradle whereby the tripping of the cradle is effective to operate the alarm switch. In the case of a shunt trip auxiliary module the solenoid operated member thereof is operatively connected to the pivot for the circuit breaker latch whereby actuation of the shunt trip solenoid serves to move the latch to its unlatched position for tripping of the circuit breaker.
309236
Gould Inc.
Marks & Clerk
LandOfFree
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