Molded case circuit breaker having a reinforced housing

Details Molded case circuit breaker having a reinforced housing Molded case circuit breaker having a reinforced housing

1984-10-01

1986-06-17

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

With housing or support means

335195, H01H 902

Patent

active

045958963

ABSTRACT:
A circuit breaker with blow open contacts is provided with a housing. Each pole of the circuit breaker has a reinforced molded housing. The walls of the housing are provided with reinforcing ribs to withstand the high pressures caused by gases generated by the arc during interruption of high short circuit currents.

REFERENCES:
patent: 3602852 (1971-08-01), Brackett et al.
patent: 3842376 (1974-10-01), Mune
patent: 4266209 (1981-05-01), DiMarco et al.
patent: 4523164 (1985-06-01), Aoyama et al.
patent: 4550300 (1985-10-01), Jencks et al.

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