Ground fault-rating plug for molded case circuit breakers

Details Ground fault-rating plug for molded case circuit breakers Ground fault-rating plug for molded case circuit breakers

1996-12-17

1999-03-02

Gaffin, Jeffrey

Electricity: electrical systems and devices

Safety and protection of systems and devices

Ground fault protection

361102, 361115, 335 18, H02H 300

Patent

active

058779256

ABSTRACT:
A ground fault/rating plug for molded case circuit breakers is inserted within the circuit breaker cover for electrical connection with the circuit breaker electronic trip unit. A rating resistor within the ground fault/rating plug enclosure sets the circuit breaker ampere rating. Rotary switches on the outer surface of the ground fault/rating plug enclosure configures the trip unit for ground fault protection.

REFERENCES:
patent: 4077055 (1978-02-01), Ellsworth
patent: 4649455 (1987-03-01), Scott
patent: 4672501 (1987-06-01), Bilac et al.
patent: 4728914 (1988-03-01), Morris et al.
patent: 4754247 (1988-06-01), Raymont et al.
patent: 5027091 (1991-06-01), Lesslie et al.
patent: 5136457 (1992-08-01), Durivage, III
patent: 5204798 (1993-04-01), Scott
patent: 5490086 (1996-02-01), Alexander

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