Molded case circuit breaker mechanical rating plug

Details Molded case circuit breaker mechanical rating plug Molded case circuit breaker mechanical rating plug

1993-11-08

1995-02-21

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Tripping means

335 45, H01H 900

Patent

active

053920163

ABSTRACT:
A molded case circuit breaker having a thermal-magnetic trip unit is provided with a mechanical rating plug to allow a number of circuit breakers of different ampere ratings to be used within a common-sized enclosure. Multiple mechanical rating plugs are stored at the place of distribution to adapt the common enclosure to a specific ampere rating at a substantial savings in time, labor and materials.

REFERENCES:
patent: 4130814 (1978-12-01), Bruchet
patent: 4649455 (1987-03-01), Scott
patent: 4679016 (1987-07-01), Ciarcia et al.
patent: 4736174 (1988-04-01), Castonguay et al.
patent: 4763096 (1988-08-01), Ingrain

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