CIRCUIT BREAKER AND RATING PLUG HOUSING FOR CIRCUIT BREAKERS

CIRCUIT BREAKER AND RATING PLUG HOUSING FOR CIRCUIT BREAKERS

An improved rating plug housing is presented for use with circuit breakers having electronic trip units. The housing (10) for the rating plug has a series of protruding tabs (14) on the bottom of the housing (10). A trip unit housing (50) forms part of a circuit breaker housing. Trip unit housing (5...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MARPLE JAMES A, SOUCY AARON R
Format: Patent
Sprache:eng ; pol
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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Beschreibung
Zusammenfassung:An improved rating plug housing is presented for use with circuit breakers having electronic trip units. The housing (10) for the rating plug has a series of protruding tabs (14) on the bottom of the housing (10). A trip unit housing (50) forms part of a circuit breaker housing. Trip unit housing (50) includes a recess (52) for receiving the trip unit housing (10). Recess (52) has a series of castellations (54) on the bottom of the recess (52). If a rating plug is appropriate for a given trip unit, the pattern of tabs (14) and castellations (54) will not interfere, and insertion will be permitted. If a rating plug is not appropriate for a given trip unit, the pattern of tabs (14) and castellations (54) will interfere, and insertion will not be permitted. Tabs (14) or projections (53) may be removed from housing (10) or recess (52) using a hand-held tool.