Multi-pole molded case circuit breaker with a common contact ope

Details Multi-pole molded case circuit breaker with a common contact ope Multi-pole molded case circuit breaker with a common contact ope

1984-10-01

1987-07-14

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335165, 335202, H01H 7302

Patent

active

046805648

ABSTRACT:
A multipole molded case circuit breaker has a single handle assembly contained in a first pole along with a movable contact arm assembly. A second pole has a movable contact arm assembly connected to the first contact arm assembly by a crossbar member so that the arms move in unison during normal operation. Each pole contains a tripping mechanism for tripping the breaker pole. The breaker mechanisms are connected for uniform tripping of all poles.

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patent: 4409573 (1983-10-01), DiMarco et al.
patent: 4550300 (1985-10-01), Jencks et al.

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