Metering accessory for molded case circuit breakers

Details Metering accessory for molded case circuit breakers Metering accessory for molded case circuit breakers

1991-07-22

1993-04-20

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

361 91, 361357, H02H 304

Patent

active

052047989

ABSTRACT:
A rating plug-metering accessory for molded case circuit breakers of the type employing an electronic trip unit is in the form of a rating plug enclosure that is optionally installed in the circuit breaker cover. Besides setting the ampere rating of the electronic trip unit, the rating plug-metering accessory further provides direct readout of the current in any of the phases of a multi-phase power distribution circuit. The rating plug-metering accessory can be either factory-installed or installed in situ.

REFERENCES:
patent: 4589052 (1986-05-01), Dougherty
patent: 4728914 (1988-03-01), Morris et al.
patent: 4831221 (1989-05-01), Yu et al.
patent: 4835842 (1989-06-01), Castonguay et al.
patent: 4870531 (1989-09-01), Danek
patent: 4890184 (1989-12-01), Russell
patent: 4977513 (1990-12-01), LaPalme
patent: 4991042 (1991-02-01), Tokarski et al.

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