Motor contractor with mechanical lock-out

Details Motor contractor with mechanical lock-out Motor contractor with mechanical lock-out

1996-08-22

1998-12-01

Coggins, Wynn Wood

Electricity: circuit makers and breakers

Interlocking

Between switches and housing

200 4311, H01H 920, H01H 928

Patent

active

058441867

ABSTRACT:
A contactor for use in controlling electrical motors may include a mechanical stop engaging the armature of the contactor and having an eyebar receiving one or more shackles of padlocks to prevent closure of the contactor contacts despite the application of an actuation current. An auxiliary switch may disconnect the coil of the contactor when the stop is positioned to lock the contactor providing additional resistance to actuation of the contactor 10.

REFERENCES:
patent: 3745492 (1973-07-01), Grunert
patent: 5164695 (1992-11-01), Monson et al.

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