Invention Grant
US07679478B2 Lighting control module mechanical override 有权
照明控制模块机械超驰

Lighting control module mechanical override
Abstract:
A switching device for selectively switching electrical power from an electrical power source to a load circuit comprises a housing. An electromechanical actuator is in the housing. A fixed contact is fixedly mounted in the housing. A contact arm is pivotally mounted in the housing. The contact arm carries a movable contact and has a lever. The contact arm is operatively connected to the actuator to be selectively positioned thereby for selectively electrically contacting the moveable contact with the fixed contact. A rotational actuator is rotationally mounted to the housing. The rotational actuator includes a leg proximate the lever so that rotational movement of the rotational actuator pivotally moves the contact arm to override the electromechanical actuator.
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