High rating molded case multipole circuit breaker

Details High rating molded case multipole circuit breaker High rating molded case multipole circuit breaker

1988-12-05

1990-09-18

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

361376, H01H 7500

Patent

active

049581350

ABSTRACT:
A high-current multipole circuit breaker is made up of standard poles juxtaposed in a molded case. At least two adjacent poles are twinned, that is to say electrically arranged in parallel and connected to a common connecting strip. The connecting strips of the other poles are widened, so as to partially overlap the immediately adjacent twinned pole. In this way, the circuit breaker rating is higher than that of the individual poles which make it up.

REFERENCES:
patent: 3289049 (1966-11-01), Middendorf
patent: 3879100 (1975-04-01), Chabot
patent: 4764650 (1988-08-01), Bur et al.

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