A connection terminal structure includes a basic element and a clamping element. The basic element is bent to be L-shaped and includes a longitudinal arm and a transverse arm connected to the longitudinal arm. An upper end of the longitudinal arm forms an engaging flange and an engaging shoulder portion. A right end of the transverse arm forms a joint portion. The clamping element comprises a resilient clamping arm, a supporting arm, and a connecting arm. The connecting arm forms an opening portion and extends from the supporting arm to the longitudinal arm. The opening portion fits around the engaging shoulder portion. A lower end of the supporting arm forms a joint end jointed to the joint portion. The resilient clamping arm connects with the supporting arm, extends to the longitudinal arm, has a front end engaging with the engaging flange, and penetrates the opening portion to move resiliently.

The invention describes a spring-three terminal connection (1) for the terminal connection of electrical conductors, having an insulating-material housing (2) which has at least one conductor insertion opening (12) for the insertion of an electrical conductor, at least one clamping spring (5) which has a contact limb (7), a clamping limb (10) and a spring bow (8) which connects the contact limb (7) and the clamping limb (10) to one another, and having at least one operating button (15) which is accommodated in the insulating-material housing such that it can be displaced and which has an operating area (14) for making contact with the clamping limb (10) and moving the clamping limb (10) in the direction of the contact limb (7) for opening the clamping point when the operating button (15) is displaced in the direction of the interior of the insulating-material housing (2). The insulating-material housing (2) contains at least one button opening (16) for accommodating an associated operating button (15), said button opening being open in the direction of an associated conductor insertion opening (12). The operating button (15), which is mounted in this button opening (16) such that it can be displaced, forms part of the wall arrangement of the conductor insertion opening (12). Starting from a mouth section (50) which adjoins the conductor insertion opening (12), the button opening (16) is widened in the direction of the hack (51) of the button opening (16), said back being situated opposite the conductor insertion opening (12). The cross section of the operating button (15) is matched to the widening contour of the button opening (16).

The invention is a printed circuit board terminal, having a housing which has an inner wall and outer wall, a clamp spring, a contact element arranged inside the housing, and a connector element arranged outside the housing, wherein the contact element and the connector element are conductively connected to each other, and wherein the contact element is arranged flush with the inner wall and the connector element is arranged flush with the outer wall.

The invention relates to an actuating element (1) for actuating a clamping spring (8) of a connecting terminal, comprising: an actuating finger (2) which has an actuating surface (7) with which the actuating finger (2) presses onto a clamping limb (9) of the clamping spring (8) during actuation of the clamping spring (8); and a cover element (3) which forms an extension of the actuating finger (2) in the longitudinal direction of the actuating finger (2), the cover element (3) being laterally molded on the actuating finger (2).

A direct plug-in compression spring terminal includes a bus bar for contacting an electrical conductor, and a clamping spring for fastening the electrical conductor in the direct plug-in compression spring terminal, wherein the clamping spring has a clamping arm that can be pivoted in a clamping direction about a clamping axis, and an actuating device for pivoting the clamping bar. In an open state, in which the electrical conductor can be inserted into the direct plug-in compression spring terminal, the clamping arm is pivoted against the clamping direction against a restoring force of the clamping spring. In a clamping state, in which the electrical conductor is clamping in the direct plug-in compression spring terminal, the clamping arm is pivoted in the clamping direction by the restoring force of the clamping spring. In the open state, the actuating device is locked in the direct plug-in compression spring terminal and additionally clamped to the clamping arm.

An electrical terminal block arrangement includes a terminal block with at least one housing having a first insertion opening and a second insertion opening, and a clamping body including a contact metal, a first spring, and a second spring arranged inside the housing; a discharge resistor that includes a plug-in contact, the plug-in contact being plugged in through the first insertion opening of the housing; and a capacitor that includes at least one capacitor wire, the capacitor wire being inserted. through the second insertion opening of the housing and being clamped and electrically contacted to the contact metal by the second spring. The plug-in contact of the discharge resistor is clamped and electrically contacted to the contact metal by the first spring.

A contacting device has a housing having a first opening for inserting the electrical conductor and the electrical plug into a cavity in the housing, and having a second opening for inserting the electrical conducting track into the cavity in the housing. The contacting device further has a contact bridge which is arranged in the cavity in the housing and comprises a first portion for fixing the electrical conductor to the electrical conducting track in a force fit, and a second portion for retaining the electrical plug on the electrical conducting track and pressing it thereagainst.

In order to minimize the horizontal space requirement for releasing a vertically actuable actuator of a connection device the actuator is formed to be substantially cylindrical. Therefore, by virtue of rotation about the cylinder axis of the actuator, an electrical conductor can be released in a field-terminable manner using a screwdriver by a space-saving rotational movement of the actuator, as a result of which a space-consuming lever movement of the screwdriver which is otherwise usual in the prior art is dispensed with.

A connector, a light source module including the connector, and a light source module array including the light source module array are provided. The connector includes a first connection part configured to connect to a first wire inserted thereto; a second connection part configured to connect to a second wire inserted thereto, the first and second connection parts being disposed to face in opposite directions; a housing covering the first and second connection parts; and a push button configured to be actuated by an external force applied thereto to release a connection of the first connection part to the first wire and a connection of the second connection part to the second wire.

An HVAC actuator may include a rotatable output shaft, a drive mechanism configured to selectively drive the output shaft, two or more wiring terminals, and a removable blocking tab configured to block wire attachment to at least one of the two or more wiring terminals. When the removable tab is removed, wire attachment to the previously blocked at least one wire terminals may no longer blocked. The removable block tab may be a break-away tab. The HVAC actuator may include a housing enclosing the drive mechanism, and the break-away tab may be integral to the housing. In some instances, the removable tab, once removed, is not configured to be reattached, but this is not required.