Abstract: An electrical protection system has connection terminals, separable electrical contacts, a switching mechanism and at least one power switch connected in series with the separable electrical contacts, the switching mechanism including a displaceable control member. The electrical protection system further includes an electronic control circuit coupled to the at least one power switch and a sensor coupled to the control member for measuring a position of the switching mechanism. The electronic control circuit is configured to switch the at least one power switch to a blocking state when the sensor detects that the switching mechanism reaches a position preceding a position in which the electrical contacts separate.

Abstract: Distribution device, and associated outlet module, distribution assembly, electrical panel and location method This electrical power distribution device, which is configured to distribute electrical energy from a power source to at least one electrical load, comprises a power bus, through which electrical energy is transferred and which is configured to accommodate at least two outlet modules, which are each intended to be connected to the power bus and to a respective electrical load. The distribution device comprises a transfer bus (150), which defines a plurality of mounting zones (154) for each outlet module, with each mounting zone being associated with a unique position along a main axis (A110). The transfer bus comprises, for each mounting zone, an identification circuit (160), which is configured to send each outlet module information relating to the position of the mounting zone where this outlet module is mounted.

Abstract: This distribution assembly (100), configured to distribute electrical energy from a power source to at least one electrical load, comprises a power bus (124) which comprises a plurality of busbars (122) each having, at one end, a portion for connection to an output terminal of a main box (200). The power bus defines a connection zone, which extends along a connection plane (P124) and is provided for the connection of at least one outgoing box (300) on a front side of the connection plane (P124). The distribution assembly (100) comprises a cooling device (400), which includes a contact plate (410) for cooperation with a rear face (231) of the main housing (200), a radiator (420) which extends from a rear side of the connection plane (P124), and at least one heat pipe (430), which connects the contact plate (410) to the radiator (420).

Abstract: Embodiments of the disclosure provide a circuit breaker. Each of a first switch module and a second switch module of the circuit breaker includes a driving component, a plurality of connecting members coupled to the driving component, and a plurality of first contacts and a plurality of second contacts disposed corresponding to the plurality of connecting members. A circuit board assembly is electrically connected to the driving component of the first switch module and the driving component of the second switch module. A test button assembly is disposed on the circuit board assembly.

Abstract: An electrical circuit breaker with overvoltage protection includes a pair of connection terminals, a main semiconductor switch including at least one semiconductor component and a pair of separable contacts forming a disconnector connected in series with the main semiconductor switch between the connection terminals. The electrical circuit breaker also includes a first protection system connected in parallel with the main switch, the first protection system including a first protection device including a varistor and a first switch connected in series with the first protection device. The electrical circuit breaker further includes a second protection system, connected in parallel with the first protection system and said the main semiconductor switch, the second protection system including a second protection device including a transient voltage suppression diode.

Abstract: A switching device, a switching module and a control module configured to command the interruption of a current by way of the switching module in the event of a fault. The switching module includes a circuit carrying the current and including, in series, two back-to-back depletion-mode JFETs and a switching component that switches between two configurations. The switching component allows the current to flow in one configuration and prevents the current from flowing in the other configuration, which it is in by default. The control module generates a first signal for keeping the switching component in the first configuration, the control module being configured, in the event of a fault, to generate a second signal for commanding the interruption of the current by way of a transistor, and configured to interrupt the first signal in the event of a fault.

Abstract: A modular electrical protection device including at least a power module and a control module. In order for the device to be particularly effective and versatile, while being able to be modified easily, the power module includes a mechanical disconnector, a static switch and a local control circuit, for commanding the static switch into an off state, and the control module includes a tripping device, for mechanically tripping switching of the mechanical disconnector, and a main control circuit, for controlling the tripping device and communicating with the local control circuit.

Abstract: An electrical protection device including main electrical contacts, a switching mechanism, a solid-state power switch connected in series with the main electrical contacts, a safety device connected in parallel with the main electrical contacts, the safety device including secondary electrical contacts, and a control unit, the control unit being adapted to control the power switch and the switching mechanism. The safety device being adapted to, when a current of greater than a predetermined value flows through the safety device, activate the switching mechanism to switch the main electrical contacts and the secondary electrical contacts to the open state.

Abstract: An electrical protection system has connection terminals, separable electrical contacts, a switching mechanism and at least one power switch connected in series with the separable electrical contacts, the switching mechanism including a displaceable control member. The electrical protection system further includes an electronic control circuit coupled to the at least one power switch and a sensor coupled to the control member for measuring a position of the switching mechanism. The electronic control circuit is configured to switch the at least one power switch to a blocking state when the sensor detects that the switching mechanism reaches a position preceding a position in which the electrical contacts separate.

Abstract: A switching device, a switching module and a control module configured to command the interruption of a current by way of the switching module in the event of a fault. The switching module includes a circuit carrying the current and including, in series, two back-to-back depletion-mode JFETs and a switching component that switches between two configurations. The switching component allows the current to flow in one configuration and prevents the current from flowing in the other configuration, which it is in by default. The control module generates a first signal for keeping the switching component in the first configuration, the control module being configured, in the event of a fault, to generate a second signal for commanding the interruption of the current by way of a transistor, and configured to interrupt the first signal in the event of a fault.

Abstract: An electrical protection system has a housing, connecting terminals, separable electrical contacts, a switching mechanism and at least one power switch connected in series with the separable electrical contacts. The system further includes an electronic control circuit coupled to the at least one power switch, the or each power switch has a metallic heat dissipation plate connected to an electrode of the power switch, the heat dissipation plate being thermally connected to the body of the power switch. The or each power switch is connected in series with the separable electrical contacts between the connecting terminals via a conductive plate connected to the heat dissipation plate of the respective power switch.

Abstract: An electrical circuit breaker with overvoltage protection includes a pair of connection terminals, a main semiconductor switch including at least one semiconductor component and a pair of separable contacts forming a disconnector connected in series with the main semiconductor switch between the connection terminals. The electrical circuit breaker also includes a first protection system connected in parallel with the main switch, the first protection system including a first protection device including a varistor and a first switch connected in series with the first protection device. The electrical circuit breaker further includes a second protection system, connected in parallel with the first protection system and said the main semiconductor switch, the second protection system including a second protection device including a transient voltage suppression diode.

Abstract: An electrical protection device capable of operating without auxiliary electrical power supply includes a control module configured to detect an electrical fault and a switching module, a first circuit including at least two normally-on JFET transistors and a switching member including a first contact. The switching module is configured so that, upon a switchover of the first contact when the current circuits, an electric arc is formed and so that the appearance of the electric arc generates an electrical signal transmitted to at least one of the transistors, the electrical signal driving the switching of the transistor.

Abstract: This limiter pole (B) for a multipole DC electrical switch (2) comprises a compartment in which an input terminal and an output terminal for a direct electric current are provided, along with a first electrical contact connected to the input terminal and a second electrical contact connected to the output terminal, third and fourth electrical contacts connected to one another in series, the third and fourth contacts being capable of being moved simultaneously relative to the first and second electrical contacts, respectively, between a closed position, in which the first and third contacts and the second and fourth contacts make contact with one another so as to allow the direct electric current to flow between the input terminal and the output terminal, and an open position, in which said contacts are located away from one another, interrupting the flow of the current between the input terminal and the output terminal.

Abstract: This limiter pole (B) for a multipole DC electrical switch (2) comprises a compartment in which an input terminal and an output terminal for a direct electric current are provided, along with a first electrical contact connected to the input terminal and a second electrical contact connected to the output terminal, third and fourth electrical contacts connected to one another in series, the third and fourth contacts being capable of being moved simultaneously relative to the first and second electrical contacts, respectively, between a closed position, in which the first and third contacts and the second and fourth contacts make contact with one another so as to allow the direct electric current to flow between the input terminal and the output terminal, and an open position, in which said contacts are located away from one another, interrupting the flow of the current between the input terminal and the output terminal.

Abstract: An electrical protection unit A including a main conductor and, for each main conductor, a current limiter device connected in series with the main conductor to limit the current when a current or temperature threshold is exceeded, the limiter device including an element made of a material having a positive temperature coefficient, called PTC, and being capable of controlling a device for tripping the mechanism M for opening the contacts of the protection unit D, to cause the opening of the contacts of the unit when the threshold is exceeded leading to a change of state of the element between a low resistance state and a high resistance state. The PTC element includes the trip device, in such a way that this element itself provides the functions of fault current limitation and of tripping the mechanism for opening the contacts.

Abstract: An electrical circuit breaker with separable electrical contacts includes a fixed electrical contact, a mobile electrical contact, that can be displaced between open and closed positions and including several electrical contact fingers, arranged aligned along a row and that can be displaced relative to the mobile electrical contact, several bearing members, each associated with a contact finger to exert a force on this contact finger in order to displace it. The bearing members associated with the contact fingers situated in lateral end zones of the row exhibit a higher stiffness than the bearing members associated with the contact fingers situated in a central part of the row.

Abstract: An arc extinguishing gas filtering device for electrical current switchgear includes a porous central body including longitudinal channels and transverse channels which fluidically connect the longitudinal channels together, the longitudinal channels having a bent form; and a tight outer skin which surrounds the central body and which includes inlet orifices and outlet orifices, each longitudinal channel extending between an inlet orifice and an outlet orifice, the outer skin and the central body forming a rigid part in a single piece produced in a metallic material.

Abstract: An electrical connector including a conduction portion having two terminals intended to be each connected electrically to a connection terminal of an electrical apparatus, the connector further including a dissipation portion of the same material as the conduction portion and having a cellular structure defining a plurality of cells.

Abstract: A DC electrical circuit breaker includes first and second movable electrical contacts. The circuit breaker includes a magnetic circuit including a magnet and generating a magnetic field able to guide an electrical arc in the direction of a quenching chamber, and having for this purpose curved field lines extending perpendicularly to opposite lateral walls of an electrical arc formation chamber, these field lines converging, in a central region of the arc formation chamber containing the contact zones, toward the quenching chamber while extending parallel to the longitudinal plane.