Multipole circuit breaker with modular assembly

Details Multipole circuit breaker with modular assembly Multipole circuit breaker with modular assembly

1994-12-19

1995-12-26

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

With housing or support means

335 16, 335 8, H01H 902

Patent

active

054791430

ABSTRACT:
Each breaking module is formed by a parallelepipedic monoblock cartridge made of plastic material, housed in the corresponding compartment of the base plate, said cartridge housing at least a stationary contact, an arc extinguishing chamber, and a pair of connecting strips for connection to a terminal and to the trip module of the same pole. A mechanical actuation module constituted by the switching bar and mechanism assembly, is securedly united to the cover. The rotary trip bar is supported by clipping means, arranged on the bottom face of the cover. A plurality cf recesses and cutouts are arranged in the spacers of the base plate to act as first bearing surfaces respectively for the switching bar and trip bar when the first sub-assembly A composed of the base plate with the set of breaking modules and trip modules, is adjoined with the second sub-assembly B formed by the cover on which the mechanical actuation module, trip bar and latch are fitted.

REFERENCES:
patent: 3412349 (1968-11-01), Laubenheimer
patent: 4470028 (1984-09-01), Vayre et al.
patent: 5025236 (1991-06-01), Miura et al.
patent: 5231365 (1993-07-01), Kato
patent: 5258729 (1993-11-01), Link et al.

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