Panel rejection feature for twin circuit breaker

Details Panel rejection feature for twin circuit breaker Panel rejection feature for twin circuit breaker

1988-10-27

1990-06-26

Thompson, Gregory D.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

361358, 361376, 361417, 361419, H02B 104

Patent

active

049377043

ABSTRACT:
Rejection of a twin circuit breaker at panelboard mounting positions not designated to receive a twin breaker is achieved by extending the hook of the twin breaker outwardly beyond the panelboard rail to prevent anchoring the outboard end of the twin breaker at non-designated positions, thereby indicating obviously improper installation. The rail is provided with outward extensions at designated mounting positions which do engage with the twin breaker hook to anchor the outboard end, such extension in a preferred embodiment being part of an adapter attached to the panelboard.

REFERENCES:
patent: 3218519 (1965-11-01), Casey
patent: 3403301 (1968-09-01), Mrowka et al.
patent: 3463967 (1969-08-01), Klein
patent: 3611048 (1971-10-01), Shelvik

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