Isolation shield for circuit breaker compartment secondary disco

Details Isolation shield for circuit breaker compartment secondary disco Isolation shield for circuit breaker compartment secondary disco

1982-02-16

1983-07-26

Grimley, A. T.

Electricity: circuit makers and breakers

Interlocking

Between plural switches

361345, H01H 900

Patent

active

043956025

ABSTRACT:
A slideably mounted insulating shield is positioned over the terminals of a secondary disconnect attached to the side wall of a circuit breaker compartment. Inserting the circuit breaker into the compartment brings the secondary disconnect terminals on the breaker into engagement with the secondary disconnect terminals in the compartment by displacing the insulating shield. Removal of the breaker from the compartment forces the insulating shield to return to position over the compartment secondary disconnect terminals thereby isolating the disconnect terminals from inadvertent contact with an operator.

REFERENCES:
patent: 3920939 (1975-11-01), Ciboldi et al.
patent: 4020301 (1977-04-01), Ericson et al.

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