Abstract: A contact pole interrupting device in an electrical switching apparatus composed of a moving contact holder including a cylindrical contact pressure spring, a slide that moves along a longitudinal axis, and a mobile bridge supporting two mobile contacts. The mobile bridge has a central opening in which are inserted two protuberances belonging to the slide and equipped with an outer pin enabling the slide to be clamp-mounted on the mobile bridge. An end of the spring, which rests on the mobile bridge, is kept in a place by a flange on side ends of the slide and is centered by the protuberances of the slide.

Abstract: This invention regards a contact pole interrupting device in an electrical switching apparatus composed of a moving contact holder 10 comprising a cylindrical contact pressure spring 15, a slide 20 that moves along an axis X and a mobile bridge 30 supporting two mobile contacts 41. The mobile bridge 30 has a central opening 33 in which are inserted two protuberances 22 belonging to the slide 20 and equipped with an outer pin 34 enabling the slide 20 to be clamp-mounted on the mobile bridge 30. A end 16 of the spring 15, which rests on the mobile bridge 30, is kept in place by a flange 28 fitted on the side ends 25 of the slide 20 and is centred by the protuberances 22 of the slide 20.

Abstract: A switching apparatus including an electromagnetic command device fitted with a magnetic circuit made up of a main circuit polarized by a permanent magnet and linked to a depolarizing coil and through a movable circuit integral with a movable support subject to a return spring and acting directly or indirectly on at least one disconnecting pole. The main magnetic circuit has at least two air gaps in series on the path of the magnetic flux generated by the permanent magnet and the movable magnetic circuit includes at least two parts capable of closing the air gaps when the main magnetic circuit and the movable magnetic circuit are joined together and are crossed by the magnetic flux created by the permanent magnetic, thereby carrying out a locking function and creating a multiplication of the locking forces, with an unlocking function being provided by the depolarization coil the counter-flux from which crosses the magnetic circuit and air gaps.

Abstract: The present invention relates to a control and signalling device for a protective switching apparatus of the relay switch type which is provided with power switches (1) and a protection assembly (4) and is capable of detecting faults (overloads or overcurrents) on each current path associated with a switch (1), this device being actuated by a manual control member (51) which can take an operating "run" position corresponding to closed contacts, a "stop" position corresponding to open contacts and a "trip" position corresponding to the position after detection of a fault, characterised by the fact that it comprises a mobile spring loaded cam (52) actuated by a triggering spring (54) and capable of--from the "run" position in which it is locked by an automatic interlock (55) and after the triggering and release of the interlock (55)--of turning the manual control member (51) which then actuates the coil switch (81).

Abstract: A contact-unit slide for contractors which includes an insulating body in which windows are drilled wherein in each of these windows a contact bridge and a compression spring associated with the contacts are housed, the slide being moved by the mobile parts of the contactor's electromagnet, the spring bearing on the opposite side of the support surface adjacent to the contact bridge. The body has slots extending between a window and a visible surface to allow it to be supported on the upper end of the associated spring.

Abstract: An electromagnetic switching device including, in an envelope formed by a base (1) and an insulating casing (7), a contact holder (3) in which are housed contact bridges (4) featuring a moving lock (8) capable of immobilizing the contact holder (3), wherein the lock (8) and the insulating casing (7) have sliding assembly devices (74, 75) which move the lock (8) positively from the rest position towards the contact holder (3) in the locked position by moving the insulating casing (7) away from the base, and the sliding assembly devices (74, 74) move the lock (8) away from the contact holder positively from the locked position by moving the casing towards the base.

Abstract: Connection block for connecting cables (5, 6) to electrical equipment (2) comprising at least one connector (4) consisting of a cage (42) and a wire clamp slide (43) moved by a clamping screw (44) under a compartment (37, 38) in a box (31) in which said connector is placed, characterized in that the slide (43) is U-shaped with one flange at the same level as the screw head (44), and that this flange has a mobile insulating protective cover (35) on its front which follows slide movements and provides access to the screw head.

Abstract: A contactor/circuit-breaker type switch device having at least one power switching pole comprising fixed contacts (1, 2) cooperating with mobile contacts (5) coupled to an actuator member (15) actuated by a solenoid (8) or by a lock lever (12) linked to a lock (23), characterised in that the lock lever (12) actuates the mobile contact actuator member (15) directly and in that the mobile parts (10) of the solenoid actuate the actuator member (15) via a coupling lever (13) adapted to be coupled to said mobile parts (10) by a demountable coupling (19, 221) associated with locking means (14) conditioned by the status of the lock.

Abstract: An electromagnetic contactor device including an enclosure formed by a base unit and a housing unit assembled together and accommodating the power poles and a solenoid having a coil the body of which has power supply terminals on one side, said enclosure providing between the base unit and the housing unit a housing adapted to receive the power supply terminals, characterised in that the enclosure has symmetrically disposed relative to the first housing a second housing also formed between the base unit and the housing unit and having substantially the same cross-section as the first housing so that it can receive the side of the coil provided with terminals after the coil is turned around, the housing opposite that receiving the terminals being closed off.

Abstract: A contactor/protection relay type protection switch comprises at least one power pole comprising a mobile contact holder cooperating with fixed contacts. It can be moved by an operating lever coupled to moving parts of a solenoid. The switch includes an elastic device between the end of the lever coupled to the solenoid and a plunger of the contact holder.

Abstract: A switch having at least one power switching pole includes a contact bridge cooperating with fixed contacts and adapted to be maneuvered either by mobile parts of a solenoid or by a tripping mechanism. The contact bridge is rotatable and the mobile parts of the solenoid operate the contact bridge through the intermediary of a transmission mechanism.

Abstract: The invention provides a safety device for switching appliances formed by the assembly of at least two removable modular elements, namely a switching module and an indirect switching control module which is able to pass from a tripped condition to a set condition by means of a setting member, tripping following a tripping order applied to a tripping member. The control module is fixed to the switching module by means of a screw whose head is only accessible in the set condition of the control module.

Abstract: The invention provides a magneto-thermal device for overcurrent relays.The end of a core, whose axial position may be adjusted with respect to a mobile plate, placed opposite and pivoting about one end of the yoke, is secured against movement by a wedge which is guided in a groove belonging to a flange of the coil shell.This device may be used in any thermal relay where a stable and precise adjustment of the tripping current threshold is desired.