A power distribution system includes a bus plug having an electrical switch configured to selectively control energization of the bus plug. The bus plug includes an electrical switch having a control knob operable to selectively control energization of the bus plug, and an actuator having an actuator adaptor coupling that couples movement of the actuator to the control knob. The bus plug includes a partition wall separating the internal volume into a line side and a load side. The bus plug includes an external handle coupled to mechanical linkages, and an adaptor bracket fixed to at least one of the mechanical linkages and oriented to interact with the control knob. The bus plug includes an actuator operable to move the mechanical linkages. Methods of controlling energization of a bus plug with a remote application and communication module configured to operate an actuator are also provided.

A switch device may comprise a micro-relay disposed between a first terminal and a second terminal. The micro-relay may be configured to selectively electrically couple the first terminal to the second terminal. The switch device may further comprise a bypass circuit configured to selectively divert at least a portion of electrical current flowing from the first terminal to the micro-relay, and direct the diverted electrical current to the second terminal. The switch device may further comprise an energy harvesting circuit configured to (i) withdraw a portion of energy flowing into the switch device, (ii) store the portion of energy in an energy storage device, and (iii) supplying the energy stored in the energy storage device to one or more components within the switch device.

A method for obtaining operational data from a circuit breaker includes: releasably attaching an adapter to a circuit breaker; actuating a test button on the circuit breaker using the adapter; moving a handle of the circuit breaker to an on position; initiating output of a light signal from the circuit breaker that is representative of operational data of the circuit breaker in response to the actuating and moving steps; and receiving the light signal at the adapter.

A method includes receiving a first set of operational parameters that correspond to one or more semiconductor devices of a solid-state circuit breaker and sending a first command to the solid-state circuit breaker to turn off the one or more semiconductors in response to the first set of operational parameters exceeding a first set of thresholds. The method includes sending a second command to the solid-state circuit breaker to turn on the one or more semiconductors in response to the first set of operational parameters being equal to or less than the first set of thresholds. The method includes receiving a second set of operational parameters that correspond to one or more electrical properties associated with an operation of the solid-state circuit breaker coupled to a load device and generating a baseline profile representative of the first set of operational parameters and the second operational parameters.

A system for diagnosing circuit protection device field issues includes a remote computer system and a diagnostic circuit protection device installed at a customer location, wherein the circuit protection device includes a processor configured to execute a number of routines, a plurality of sensors structured to sense power circuit information, a memory accessible by the processor, and a communications module coupled to the non-volatile memory. The routines are structured to input sensed power circuit information and determine trip information for one or more trip cycles and cause the stored power circuit information and trip information to be transmitted to the remote computer system by the communications module over a network for storage and subsequent access for diagnostic purposes.

A switching apparatus for electric power distribution grids including: a withdrawable first switching unit having one or more first electric poles; a withdrawable second switching unit having one or more second electric poles and electrically connected ins series with said first switching unit; wherein said second switching unit includes an emergency control arrangement activatable by a user to make said second switching unit to carry out an opening manoeuvre.

A system for diagnosing circuit protection device field issues includes a remote computer system and a diagnostic circuit protection device installed at a customer location, wherein the circuit protection device includes a processor configured to execute a number of routines, a plurality of sensors structured to sense power circuit information, a memory accessible by the processor, and a communications module coupled to the non-volatile memory. The routines are structured to input sensed power circuit information and determine trip information for one or more trip cycles and cause the stored power circuit information and trip information to be transmitted to the remote computer system by the communications module over a network for storage and subsequent access for diagnostic purposes.

Thermally conductive assemblies that provide a heat conduction path include at least one thermally conductive inner member with longitudinally opposing first and second ends and an open center channel and an outer member surrounding the at least one thermally conductive inner member. The outer member is sufficiently flexible to expand outward in response to an outward force applied by the at least one thermally conductive inner member. The at least one inner member can be a plurality of cooperating inner members that have inner surfaces that align to form an inner perimeter surrounding the open center channel.

A control system for an electrical switching apparatus adapted to be installed in a medium voltage or high voltage electrical circuit. The control system includes at least a first module with first control means which are adapted to execute a first control logic, and a second module with second control means which are adapted to execute a second control logic; and at least one communication bus. The first control means and the second control means are adapted to be operatively connected to the at least one communication bus, and to share values of variables associated to the first control logic and to the second control logic through the at least one communication bus.

A switching device includes two connection lands, a measurement device for measuring a first quantity of a current flowing between the two lands, a power supply system and a trigger module, the latter including a first driver module for detecting an electrical fault according to first values stored in a first memory and controlling a switching member; a communication module for receiving and storing second values in a second, non-volatile memory; and a second driver module for replacing the first values with the second values in the first memory. The first driver module compares a second quantity of the first supply current with a threshold and controls the supply of power to the second driver module if the second value is higher than or equal to the threshold.