An electronic-component-equipped terminal block includes a terminal block including first and second through holes provided in a front wall; an electronic component including a component body first and second leads; and an electrically insulating attachment assistance tool. The attachment assistance tool includes a base portion arranged outside a housing such that a rear surface thereof abuts against the front wall; and first and second insertion portions protruding from the rear surface of the base portion to be thereby inserted into the first and second through hole, respectively. The attachment assistance tool is provided with a first passage portion through which the first lead is inserted, and a second passage portion through which the second lead is inserted, and a receiving portion that receives and accommodates a rear portion of the component body is provided at a front-side position.

An electronic device is provided including a connector comprising a plurality of terminals, the connector being configured to be connected with an external device; a circuit electrically connected to at least a subset of the plurality of terminals; and a processor electrically connected to the circuit, wherein the processor is configured to detect a connection of the external device through the connector, detect a first impedance of a first electrical path including a first terminal of the plurality of terminals, detect a second impedance of a second electrical path including a second terminal of the plurality of terminals, and determine a connection direction of the external device connected through the connector, based on the first impedance and the second impedance.

A cover for an electrical rail mount device is provided. Further, an electrical rail mount device for mounting on a rail is provided, comprising at least ono input terminal configured to receive an input line, fixing means configured to fix the input line to the input terminal to establish an electrical connection, a lockable cover reversibly movable from an open state into a closed state, whereas the cover is configured to cover the fixing means in the closed state, such that the fixing means can only be accessed by moving the cover from the closed state into the open state, an electrical element arranged in the cover and configured to provide an electrical function to an active electronic element of the electrical rail mount device, wherein an electrical connection is provided between the electrical element and the active electronic element.

Connector assembly for electrically connecting an inverter busbar to an electrical connector of a drive unit comprising: a carrier, an intermediate busbar comprising a first terminal with a hole, and a first fastening element extending through the hole of the first terminal, wherein the intermediate busbar is mounted to the carrier and the intermediate busbar is connectable to the inverter busbar by the first fastening element, wherein the carrier comprises a positioning pin defining a longitudinal axis, said positioning pin being adapted to be accommodated in a receptacle of a housing of the drive unit such that the carrier is axially slidable in the direction of the longitudinal axis; and that the first fastening element is arranged within the hole of the first terminal with a radial clearance relative to the longitudinal axis of the positioning pin.

A terminal block includes a housing having insulation properties, the housing having a holding portion provided in the housing and a terminal connection surface, a first opening portion through which a conductor portion of an electric wire can be inserted and pulled out and a second opening portion that is adjacent to the first opening portion and through which a jig can be inserted and pulled out being arranged in series in an array direction on the terminal connection surface and each communicating with the holding portion, and an opening surface being provided on a side of the holding portion in a width direction intersecting the array direction and a direction intersecting the terminal connection surface, and a terminal electrode portion and a leaf spring portion arranged in the holding portion. The housing is provided with a first movement restriction portion that restricts the movement of the moveable portion of the leaf spring portion in the width direction.

A junction box for an electrical connection of a photovoltaic module, comprising a plug-in module and a housing module. The plug-in module comprises a plug element and a connection element, wherein the plug element enables a plug-in connection with an external electrical connection line, and the connection element provides a connection option for an internal electrical supply line into the photovoltaic module. The housing module can be connected to, and detached from, the plug-in module and can also be attached to the photovoltaic module in order to offer protection of a connection area of the photovoltaic module against outer influences.

A terminal block includes a display-use moveable member which has a main body portion that can reciprocate in the direction intersecting a terminal connection surface and a contact moveable portion that extends along a guide surface, has a first end portion in an extension direction that is disposed so as to come into contact with a conductor portion in an electric wire passage portion and move in a first direction away from the terminal connection surface, and has a second end portion in the extension direction that is connected to the main body portion, and moves in an array direction in response to movement of the first end portion in the first direction to move the main body portion in a second direction toward the terminal connection surface.

A cover for an electrical rail mount device is provided. Further, an electrical rail mount device for mounting on a rail is provided, comprising at least one input terminal configured to receive an input line, fixing means configured to fix the input line to the input terminal to establish an electrical connection, a lockable cover reversibly movable from an open state into a closed state, whereas the cover is configured to cover the fixing means in the closed state, such that the fixing means can only be accessed by moving the cover from the closed state into the open state, an electrical element arranged in the cover and configured to provide an electrical function to an active electronic element of the electrical rail mount device, wherein an electrical connection is provided between the electrical element and the active electronic element.

A plug connector, having a housing that has at least one slot for accommodating an exchangeable function module. The housing is configured for accommodating a supply unit and/or a locking unit in order to fasten the function module to the housing in a form-fit and/or force-fit manner.

A terminal block includes a housing having insulation properties, the housing having a holding portion provided in the housing and a terminal connection surface, a first opening portion through which a conductor portion of an electric wire can be inserted and pulled out and a second opening portion that is adjacent to the first opening portion and through which a jig can be inserted and pulled out being arranged in series in an array direction on the terminal connection surface and each communicating with the holding portion, and an opening surface being provided on a side of the holding portion in a width direction intersecting the array direction and a direction intersecting the terminal connection surface, and a terminal electrode portion and a leaf spring portion arranged in the holding portion. The housing is provided with a first movement restriction portion that restricts the movement of the moveable portion of the leaf spring portion in the width direction.