Apparatus for motor protection and control

Details Apparatus for motor protection and control Apparatus for motor protection and control

2005-09-27

2005-09-27

Donovan, Lincoln (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Multiple contact type

C335S174000

Reexamination Certificate

active

06949998

ABSTRACT:
Apparatus for motor protection and control including power conductors including poles with separable contacts, a trip mechanism connected to an electromagnet, a mechanical device, a connecting strip and a manual control button, a protection device including means for detecting currents flowing through the power conductors and means for generating an initiating signal to control the trip mechanism, the electromagnet and the mechanical device, wherein the mechanical device is for actuating the separable contacts and the connecting strip, and the manual control button is for actuating the mechanical device, wherein the mechanical device includes means for automatically resetting the trip mechanism after the trip mechanism has tripped and means for returning the mechanical device to an OFF position.

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patent: 6307455 (2001-10-01), Dolo et al.
patent: 6577215 (2003-06-01), Nomura et al.
patent: 0 292 852 (1988-11-01), None
patent: 2 799 574 (2001-04-01), None

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