A method of limiting a total power delivered by a power distribution unit having a plurality of output connectors is disclosed. A configurable power threshold is assigned for each of the output connectors so that a sum of the configurable power thresholds of the output connectors does not exceed a maximum rated power for the power distribution unit. A power level of a given output connector is sensed. A delivery of power by the given output connector is stopped when the power level of the given output connector exceeds the configurable power threshold for the given output connector. Power delivery may be resumed in response to receiving a user command to rearm the given output connector. A power distribution unit adapted to limit its total power delivery is also disclosed.

An actuator (3) for a safety switch (2) with an actuator head (8), said actuator head being mounted to a core body (6) by means of a connection element (7). The actuator head (8) has, at least in parts, a larger cross section than the connection element (7). The connection element (7) is rigid in the axial direction. The actuator head (8) is held in a base position by means of the connecting element (7). In this base position, the longitudinal axis of the connection element (7) runs at an angle of inclination to the surface of the core body (6).

A remote-controlled switch cover assembly is described for converting an existing rocker switch into a remote-controlled switch. The remote-controlled switch cover assembly receives a wireless signal to actuate the existing rocker switch and, in response, activates an electric motor that causes a gear train to turn in a first direction. This causes a wiper to engage an under-surface of a tilt plate located above the existing rocker switch and, in response, an opposing end of the tit plate depresses the existing rocker switch.

A communication module is for attachment to a parameterizable switching device. In an embodiment, the switching device includes one or more setting elements for setting parameter values. The communication module, attached at a defined position relative to the switching device, covers one or more of the one or more setting elements.

A remote control device may control electrical loads and/or load control devices of a load control system without accessing electrical wiring. The remote control device may include a control unit and a base that may be configured to be mounted over a paddle actuator of an installed mechanical switch. The base may include a frame, a biasing member, and/or a ribbon portion. The frame may be configured to secure the remote control device thereto. The frame may define a rear surface that is configured to abut a bezel of the mechanical switch. The biasing member may be configured to engage a rear surface of a faceplate of the mechanical switch. The ribbon portion may be configured to attach the biasing member to the frame. The ribbon portion may be configured to extend through a gap between the bezel and the faceplate.

A control device may be configured to control an amount of power delivered to one or more electrical loads and provide various feedback associated with the control device and/or the electrical loads. The control device may be a wall-mounted device or a battery-powered remote control device. The feedback may indicate the amount of power delivered to the one or more electrical loads. The feedback may also indicate a low battery condition. The control device may include a light bar and/or one or more indicator lights for providing the feedback.

An electronic device has a keyboard with an internal membrane. The membrane has a set of strain gauges configured to respond to a key press, such as when a collapsible dome collapses into contact with the membrane. The strain gauges are connected in a half Wheatstone bridge configuration and are positioned on the membrane in order to limit effects of temperature and subtle flexure of the membrane. The strain gauges are also configured to magnify detection of a resistance differential when a keycap is pressed with sufficient force.

The present disclosure discloses a combination electronic switch with a transformable combination, which comprises a control operation module, a power and execution module, and a panel mounting module. The control operation module comprises a drive control assembly and an operation component, the power and execution module comprises a drive execution assembly, and the drive control assembly of the control operation module is electrically connected to the drive execution assembly of the power and execution module through preset assemblies. The control operation module is fixedly clamped to the power and execution module, and the panel mounting module is fixed on the power and execution module through the control operation module or directly fixed on the power and execution module.

A method of monitoring a circuit having load(s) includes receiving normal-mode data from circuit breakers operating in a normal mode, transforming the normal-mode data into first display data, providing the normal-mode display data to a remote user device for display by a GUI of the user device, and receiving an external diagnostics request via the GUI of the user device for selected circuit breaker(s) to enter a diagnostics mode. In response to the external diagnostics request, an internal diagnostics request is sent to the selected circuit breaker(s). Diagnostics-mode data is received from the selected circuit breaker(s), wherein the diagnostics-mode data was obtained by the selected circuit breaker(s) operating in a diagnostics mode responsive to the internal diagnostics request. The method further includes determining second display data as a function of the diagnostic-mode data and providing the second display data to the user device for display by the user device's GUI.

Methods and systems for identifying and correcting abnormal electrical activity about a structure are provided. An electricity monitoring device may monitor electrical activity including transmission of electricity via an electrical distribution board to devices about the structure. Electrical activity may be correlated with respective electrical devices to build an electrical profile indicative of the structure's electricity usage. Based on the electrical profile, abnormal electrical activity may be identified and corrective actions may be taken to mitigate or prevent structural damage.