Side-mounted lock-off accessory for a circuit breaker

Details Side-mounted lock-off accessory for a circuit breaker Side-mounted lock-off accessory for a circuit breaker

2008-04-08

2008-04-08

Enad, Elvin (Department: 2832)

Electricity: circuit makers and breakers

Switch activation inhibitor

Actuator locking device

Reexamination Certificate

active

11524702

ABSTRACT:
A circuit breaker lock-off device is side-mounted to a circuit breaker case in a tenacious engagement. The lock-off device has a generally planar body carrying a lock-off arm pivotable in a plane parallel to the body to place an engagement tab extending therefrom into a position for preventing movement of the breaker handle without being physically attached to the breaker handle. The lock-off arm and the body further have complementary rings for accepting a padlock shackle in the locked off position. The invention allows a rugged lock-off accessory which is field installable and which can accommodate various breaker handle geometries.

REFERENCES:
patent: 4260861 (1981-04-01), DiMarco
patent: 5467622 (1995-11-01), Becker et al.
patent: 5817998 (1998-10-01), Siebels et al.
patent: 6791040 (2004-09-01), Puhalla et al.
patent: 6940027 (2005-09-01), Sipe
patent: 6992256 (2006-01-01), Wiley et al.

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