Abstract: The terminal board component is composed of a box traversed by electrical current-carrying elements (30), with an end surface (110) bearing mechanical (111) and electrical (114) connection elements allowing its attachment to a modular component of an electrical device and one end surface (150) bearing elements for connection to at least one electric power cable. The box includes at least one housing (104) for accommodating a connection element designed to be electrically connected to at least one electric power cable. The connection elements is a screwless connector (4), and the box bears a plunger (136, 137, 138) that is obtained by molding with its upper surface (13, 113) and that is movable perpendicular to the upper surface (113), positioned over each housing (104) for accommodating a screwless connector (4).

Abstract: The terminal board component is composed of a box traversed by electrical current-carrying elements (30), with an end surface (110) bearing mechanical (111) and electrical (114) connection elements allowing its attachment to a modular component of an electrical device and one end surface (150) bearing elements for connection to at least one electric power cable. The box includes at least one housing (104) for accommodating a connection element designed to be electrically connected to at least one electric power cable. The connection elements is a screwless connector (4), and the box bears a plunger (136, 137, 138) that is obtained by molding with its upper surface (13, 113) and that is movable perpendicular to the upper surface (113), positioned over each housing (104) for accommodating a screwless connector (4).

Abstract: Electrical apparatus (1) to be emplaced on a support, has a front surface (11) and carries at least one securement (4) adapted to coact, in an active position, with a flange (21) of the support (2) to ensure the holding of the apparatus (1) in this support. The securement (4) can be retracted from that active position by introducing a disassembly tool (3) into a slot (18) provided for this purpose in the front surface (11) of the apparatus (1). The securement (4) has a free end disposed adjacent the front surface (11) and has an inclined plane (44) such that the movement of the tool (3) results in a movement in a direction orthogonal to the free end of the securement (4) tending to space it from its active position in the direction of its retracted position.

Abstract: An electric device similar to a power strip and composed of an assembly of modular components with diverse functions, said modular components being fitted with cooperating mechanical and electrical interconnection means allowing to directly assemble them to each other. Said modular components consist of a front surface (1) with at least one specified function, of a contact support (5) wherein are mounted the means required to distribute the electric power, of a male end-fitting (2) and of a female end-fitting (3) comprising the mechanical and electrical connection means.

Abstract: An electric-power connector consists of a plug (1) and a female element, i.e. a socket (2), said socket (2) bearing the grounding pin if any and comprising a mask (3) moved by a return means into its closed position in front of said socket's orifices (40, 20) in order to render said socket inoperative by sealing its orifices, the socket's orifices becoming operative again when the mask shall be moved by an actuating means mounted on the plug (1), said mask (3) being kept in its closed position by a lock (6). Said lock (6) consists of elements which are distinct from the mask (3), and where called for the plug (1) is fitted with an inserted unlocking control means (7) which, when mounted on said plug, drives the lock (6) of the mask (3), the driving of the mask (3) being determined by the means mounted on the plug.

Abstract: High-tension generator circuit for a particle detector, having a transformer (8, 9) and a voltage step-up circuit (10). The primary 8 of the transformer is fed by means of a power transistor 7 whose drive transistor 6 is controlled by means of a resistance-capacitance circuit (4, 5). In each conduction period of the primary the secondary brings about a reversal of the polarity of the capacitance.