Arc-proof molded case circuit breaker

Details Arc-proof molded case circuit breaker Arc-proof molded case circuit breaker

1992-02-18

1994-04-19

Scott, J. R.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200304, 335202, H01H 930, H01H 3300

Patent

active

053047613

ABSTRACT:
An industrial rate multi-phase molded case circuit breaker is fitted with an exhaust gas barrier and line lug cover at the line end thereof to redirect the arc exhaust gases exiting from the line end. An electric circuit is prevented between the different phases of a multi-phase electric power distribution system connected with the line end of the circuit breaker. Furthermore, an electric circuit is further prevented between the exiting arc exhaust gases and the electrical distribution bus bars to which the multi-phase electric circuit breaker is connected.

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patent: 4970482 (1990-11-01), Jacobs et al.
patent: 5067043 (1991-11-01), Markowski et al.

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