An overvoltage protection (OVP) module includes: an OVP assembly comprising a plurality of OVP units; a frame mounted to the OVP assembly; a terminal block with a plurality of first electrical ports and a plurality of second electrical ports, the terminal block mounted to the frame; and a plurality of electrical conductors, each conductor electrically connected between one of the first electrical ports of the terminal block and a respective OVP unit.

A conductor rail module for distributing and a corresponding connection module for tapping a direct current distributed along a mounting rail is described. The connection module comprises a housing whose electrically insulating rear section is connected or connectable to the mounting rail in a form-fit manner. A front section of the housing has a plurality of electrically insulating transverse struts extending transversely to a longitudinal direction of the conductor rail module. Furthermore, the conductor rail module comprises at least two conductor rails extending in the longitudinal direction in the housing between the rear section and the front section, which conductor rails are configured to contact the connection modules for distributing the direct current through a gap between the transverse struts when the connection modules are in a position mounted on the conductor rail module.

A marking strip has a plurality of marking elements which are connected to each other by a connecting region. The marking strip having the marking elements is designed to mark electrical devices, in particular electrical devices that can be arranged next to each other such as terminal blocks. Each of the marking elements has a marking plate including at least one writing field which can be provided with information. On the side facing away from the writing field, each of the marking elements has a locking contour which is integrally connected with the marking plate. The marking strip is formed of at least two different plastic materials of different hardness. The locking contour of each marking element is formed of a harder plastic material, and the marking plate is formed of a softer plastic material at least in the region of the writing field. The connecting region between the marking elements is formed of the softer plastic material.

An access terminal box includes a base plate, wherein a first fastening part, a second fastening part, and a fastening lever that are configured to fasten the access terminal box to a mounting plate disposed on the base plate, a through hole is disposed on the second fastening part, the fastening lever includes a head part, a body part, and an elastic part, the head part is connected to the body part, one end of the elastic part is connected to the head part, the body part and the elastic part are located inside the through hole, and the head part is exposed at a first outlet of the through hole.

An example terminal block may include a frame that is to attach to a power supply casing. The frame may be formed from an electrical insulator, and may include a base, exterior walls connected to the base, and a number of interior walls that separate an interior region of the frame into multiple compartments. The example terminal block may include a cover that may be formed from an electrical insulator and may be connected to the frame such that the cover may transition between an open position and a closed position. Each of the compartments may electrically isolate bus bars from one another, where the bus bars extend from within the power supply casing into the frame. The base may include a nut holder in each of the compartments, each of the nut holders having a cavity formed therein that is shaped so as to hold a nut captive.

A terminal strip having an insulating material housing that has a latching foot for latching onto a mounting rail and has a width less than the length and height, and conductor connections in the insulating material housing that are arranged next to one another in pairs. The insulating material housing is in two parts and has a base housing and a lower housing. The base housing has, in a first connection region, a pair of conductor connections that are electrically conductively connected to one another. In a second connection region, the base housing has a cutout that is laterally bounded by the insulating material of the second connection region. The lower housing can be inserted into the cutout. The lower housing has a conductor connection that is electrically insulated from an adjacent conductor connection that is arranged in the second connection region, in the base housing.

A terminal device includes: a housing having at least one contact cavity; a contact part which is arranged in the at least one contact cavity and into which at least one electrical line can be plugged in order to make electrical contact with the contact part; and at least one busbar which is arranged on the housing, is electrically connected to the contact part, and a busbar portion of which extends along a height line. An end portion adjoins the busbar portion, which end portion extends in art oblique direction at an oblique angle to the height line and can be moved along the height line relative to the contact part.

A terminal device includes: a housing having at least one contact cavity; a contact part which is arranged in the at least one contact cavity and into which at least one electrical line can be plugged in order to make electrical contact with the contact part; and at least one busbar which is arranged on the housing, is electrically connected to the contact part, and a busbar portion of which extends along a height line. An end portion adjoins the busbar portion, which end portion extends in art oblique direction at an oblique angle to the height line and can be moved along the height line relative to the contact part.

A receptacle device includes a first cooperating assembly configured to receive a first accessory having a plurality of first sized cooperating elements and a second cooperating assembly configured to receive a second accessory having a plurality of second sized cooperating elements. The first cooperating assembly has a pair of protrusions of a first type that are symmetrical with regard to a first central plane and that extend toward each other transversally to the first central plane. The second cooperating assembly has a pair of protrusions of a second type that are symmetrical with regard to a second central plane and that extend opposite to each other transversally to the second central plane. The first central plane is parallel to the second central plane.

An electric apparatus comprises a casing formed of an electrically insulating material and at least one connection terminal mounted in the casing and intended to establish and maintain a contact between an electrical conductor inserted in the connection terminal and an electrical link bar mounted in the casing to ensure an electrical connection between the electrical link bar and the electrical conductor. The connection terminal is of the push-in type and comprises a contact spring configured so that the contact between the electrical conductor and the electrical link bar results from a force insertion of the electrical conductor in opposition to the action of the contact spring and is automatically maintained by the contact spring after insertion of the electrical conductor. The casing comprises a peripheral wall and a cover configured to be assembled together along a mounting direction substantially parallel to the direction in which the electrical conductor is inserted in the connection terminal.