Electronic housing for two-pole ground fault circuit interrupter

Details Electronic housing for two-pole ground fault circuit interrupter Electronic housing for two-pole ground fault circuit interrupter

1994-02-14

1995-05-09

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335132, 335202, H01H 7300

Patent

active

054143950

ABSTRACT:
A housing is provided for a circuit breaker. The circuit breaker has contacts capable of being in an open state or a closed state, of movement between the open and closed states, and of generating a hot gas in consequence of that movement. An electronics module is provided for controlling movement of the contacts from the closed state to the open state. The housing has a first portion housing the contacts and a second portion housing the electronics module. The second portion is formed of a material subject to damage by the hot gas, and the first portion is constructed to protect the second portion from damage by the hot gas. The first portion is ideally formed of a thermosetting material resistant to damage by the hot gas and the second portion is ideally formed of a thermoplastic material, which reduces the cost of manufacturing the housing. A quick-mounting construction for assembling the second portion with the first portion further reduces the cost of assembly.

REFERENCES:
patent: 4568899 (1986-02-01), May et al.
patent: 4609898 (1986-09-01), Seymour et al.
patent: 5258732 (1993-11-01), Marquardt

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