Circuit breaker phase current barrier

Details Circuit breaker phase current barrier Circuit breaker phase current barrier

1992-04-22

1993-03-16

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

With housing or support means

335132, H01H 902

Patent

active

051948400

ABSTRACT:
An industrial rated molded case circuit breaker is fitted with a phase barrier and a phase insulation cap at the line end thereof to redirect the arc exhaust gases exiting from the line end and to prevent an electric circuit between the different phases of a multiphase electric power distribution system. The Y-shaped phase barrier eliminates the need to provide additional insulation to the line end conductors. The phase insulation cap provides inexpensive and reusable means for isolating mounting screws from the line end conductors.

REFERENCES:
patent: 4754162 (1988-06-01), Kondou et al.
patent: 4963849 (1990-10-01), Kowalczyk et al.
patent: 5005104 (1991-04-01), Grunert et al.

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