Padlocking arrangement for high ampere-rated circuit breaker

Details Padlocking arrangement for high ampere-rated circuit breaker Padlocking arrangement for high ampere-rated circuit breaker

1995-12-22

1998-07-21

Walczak, David J.

Electricity: circuit makers and breakers

Switch activation inhibitor

Actuator locking device

200 4311, H01H 928

Patent

active

057823413

ABSTRACT:
This invention relates to a high ampere-rated circuit breaker which meets the electrical code requirements of the world market. The circuit breaker electronic trip unit is contained within a recess in the circuit breaker cover and is interlocked with the circuit breaker operating mechanism to articulate the operating mechanism upon removal. A padlock assembly arranged within the circuit breaker case prevents the circuit breaker contacts from being closed and the cover from being removed. The padlock assembly is only functional when the circuit breaker contacts are in the OPEN condition.

REFERENCES:
patent: 4001742 (1977-01-01), Jencks
patent: 5477016 (1995-12-01), Baginski
U.S. Application No. 08/205,240 Filing date Mar. 3, 1994 Latching Assembly for High Ampere-Rated Circuit Breaker.

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