Abstract: Equipment (1) for measuring the energy consumption of branches (11-N) of an electrical network (10) which comprises a single voltages measuring device (2) connected upstream of the branches of the network so as to measure the voltages of the network in a centralized manner, and several dedicated current measuring devices (3) connected to each branch of the network so as to measure the currents on the branches of the network. The measuring devices (2, 3) are connected by network cable (6) allowing digital communication of the voltage measurements to the current measuring devices (3), which comprises a processing unit (33) for calculating the energy consumption of the analyzed branch of the network. The voltage and current measurements are performed by sampling, and the sampling frequencies are compared and adjusted automatically so as to synchronize the current samples with the voltage samples.

Abstract: A measuring device (10) comprising a current sensor (20) and a measuring unit (40) connected to each other by a connection cable (50). The connection cable (50) comprises three pairs of conductors of which a first measurement pair (51) is arranged to transmit a signal representative of the current measured by the sensor (20), a second power supply pair (52) is arranged to power electrically the sensor (20) and the measuring unit (40), and a third communication pair (53) is arranged to transmit at least one complementary signal between the sensor (20) and the measuring unit (40), such as an identification feature of the sensor allows the measuring unit to recognize automatically the sensor and provide an exploitable correlated value of the current measured by the sensor (20).

Abstract: An electric arc breaker device comprises a contact zone in which there are present at least one stationary contact and at least one movable contact that is movable relative to the stationary contact. The contacts are capable of being put into contact with each other and of being separated from each other. An arcing horn is present facing the stationary contact, the height hc of the arcing horn being greater than or equal to the height ht of the stationary contact, and the arcing horn presenting a folded-back arc switching portion extending in a direction away from the stationary contact.

Abstract: An electrical switching device (1) which comprises at least one double breaking pole provided with two fixed contacts (3, 4) that cooperate with two moving contacts (5, 6) arranged so as to move in a breaking plane (P) and define, with every fixed contact, a breaking zone. The device comprises a permanent magnet (11, 12) housed in an insulating holder arranged in the immediate environment, next to each breaking zone, symmetrically with respect to the breaking plane and oriented so as to generate a magnetic excitation vector parallel to the breaking plane (P) so that the induced electromagnetic force (FE) moves and stretches every electric arc (E1, E2), generated when opening the electrical circuit, in a direction perpendicular to the breaking plane (P), leading to the extinction of the electric arc regardless of the polarity of the magnet and/or of the current.

Abstract: Method for detecting an electric arc in a photovoltaic installation, which includes measurement (E6) of voltage values at at least one site of the electrical circuit of the photovoltaic installation; digitization (E8) of the measured voltage values so as to form voltage data; formation (E11) of a window of n recent digitized voltage data; computation (E12) of a test value associated with the said window of the n voltage data; analysis (E13) of a test vector comprising m test values associated with m recent windows generating a quantity arising from this analysis representative of a risk of electric arc; comparison (E15) of this quantity arising with at least one threshold so as to deduce therefrom the presence or otherwise of an electric arc within the photovoltaic installation.

Abstract: An electrical cut-off device (1) with a single cut-off which comprises fuse boxes (5) that are each provided with a fuse (50) connected in series with the single cut-off element. The fuse box is a separate element mounted onto the electrical cut-off device and comprises a handle (55) that is movable, relative to the electrical cut-off device, into a passive position where the fuse box is connected to the electrical cut-off device but not locked, the electrical cut-off device being in an open position, an active position wherein the fuse box is connected and locked to the electrical cut-off device, the electrical cut-off device is switchable between open and closed positions and an intermediate position where the fuse box is partially removed from the electrical cut-off device and forms a disconnected position.

Abstract: A moving contact-carrying carriage (8) for an electrical cut-off device which comprises several seats (80) arranged for receiving several parallel moving contacts (5A-5C) offset in space, and each of them is associated with a return mechanism (65). The carriage can be coupled with an actuator mechanism (6) of the device. The carriage (8) comprises an insulating support (81) which has parallel seats (80) and a supporting structure (9), surrounding the insulating support (81), for forming a load-absorbing belt therearound. In order to couple the carriage (8) with the actuator mechanism, the supporting structure (9) comprises a connecting part (91) positioned in a front section of the insulating support (81) and passing through the central seat (80) and resting against the central moving contact (5A), on a side opposite to the return mechanism (65), for directly transmitting driving efforts of the actuator mechanism when opening the electrical circuit.

Abstract: An electrical switching device (1) which comprises at least one double breaking pole provided with two fixed contacts (3, 4) that cooperate with two moving contacts (5, 6) arranged so as to move in a breaking plane (P) and define, with every fixed contact, a breaking zone. The device comprises a permanent magnet (11, 12) housed in an insulating holder arranged in the immediate environment, next to each breaking zone, symmetrically with respect to the breaking plane and oriented so as to generate a magnetic excitation vector parallel to the breaking plane (P) so that the induced electromagnetic force (FE) moves and stretches every electric arc (E1, E2), generated when opening the electrical circuit, in a direction perpendicular to the breaking plane (P), leading to the extinction of the electric arc regardless of the polarity of the magnet and/or of the current.

Abstract: An electrical cut-off device provided with a control module associated with at least one cut-off module corresponding to a phase of an electrical network in which the cut-off module includes a set (5) of several moving contacts (5A-C) associated with one pair of fixed contacts. The moving contacts of the set (5) of several moving contacts (5A-C) are parallel and offset with respect to one another in order to stagger, in time, an the approach of the moving contacts with the pair of fixed contacts when closing the electrical circuit.

Abstract: An electrical cut-off device (1) with high electrodynamic resistance in which the fixed contacts (4) and the moving contact (5) are arranged according to an architecture forming a current loop so that the Laplace electromagnetic forces, called compensation forces (Fc), generated by the circulation of the current (I) in the current loop, are oriented in a direction flowing from the inside toward the outside of the current loop, and in which the actuator mechanism (6) is arranged for moving the moving contact (5) inside of the current loop, from its switched-off position to its switched-on position in a direction (Fd) that is identical to the direction of the compensation forces (Fc).

Abstract: An electrical cut-off device (1) with a single cut-off which comprises fuse boxes (5) that are each provided with a fuse (50) connected in series with the single cut-off element. The fuse box is a separate element mounted onto the electrical cut-off device and comprises a handle (55) that is movable, relative to the electrical cut-off device, into a passive position where the fuse box is connected to the electrical cut-off device but not locked, the electrical cut-off device being in an open position, an active position wherein the fuse box is connected and locked to the electrical cut-off device, the electrical cut-off device is switchable between open and closed positions and an intermediate position where the fuse box is partially removed from the electrical cut-off device and forms a disconnected position.

Abstract: An electrical cut-off device provided with a control module associated with at least one cut-off module corresponding to a phase of an electrical network in which the cut-off module includes a set (5) of several moving contacts (5A-C) associated with one pair of fixed contacts. The moving contacts of the set (5) of several moving contacts (5A-C) are parallel and offset with respect to one another in order to stagger, in time, an the approach of the moving contacts with the pair of fixed contacts when closing the electrical circuit.

Abstract: An electrical cut-off device (1) with high electrodynamic resistance in which the fixed contacts (4) and the moving contact (5) are arranged according to an architecture forming a current loop so that the Laplace electromagnetic forces, called compensation forces (Fc), generated by the circulation of the current (I) in the current loop, are oriented in a direction flowing from the inside toward the outside of the current loop, and in which the actuator mechanism (6) is arranged for moving the moving contact (5) inside of the current loop, from its switched-off position to its switched-on position in a direction (Fd) that is identical to the direction of the compensation forces (Fc).

Abstract: A moving contact-carrying carriage (8) for an electrical cut-off device which comprises several seats (80) arranged for receiving several parallel moving contacts (5A-5C) offset in space, and each of them is associated with a return mechanism (65). The carriage can be coupled with an actuator mechanism (6) of the device. The carriage (8) comprises an insulating support (81) which has parallel seats (80) and a supporting structure (9), surrounding the insulating support (81), for forming a load-absorbing belt therearound. In order to couple the carriage (8) with the actuator mechanism, the supporting structure (9) comprises a connecting part (91) positioned in a front section of the insulating support (81) and passing through the central seat (80) and resting against the central moving contact (5A), on a side opposite to the return mechanism (65), for directly transmitting driving efforts of the actuator mechanism when opening the electrical circuit.

Abstract: A device for measuring the intensity of an electric current which has a simple and economical design and offers a high measurement dynamic compatible with combined measurement, protection and energy metering applications. The device (1) is insensitive to parasitic fields and to the position of the electric conductor to be measured, and that can be opened to facilitate placement thereof. The device (1) defines a closed path (C), about a conductor (2) for the circulation of the lines of magnetic field induced by the current to be measured, and the path is formed by two plates (30) having a high magnetic permeability separated by two air gaps (E) closed by two identical and opposed electric coils (4) for supplying a voltage proportional to the derivative of the intensity (I) of the current to be measured. The device (1) reduces the is compact so that it can be easily integrated into any type of electric appliance.

Abstract: A device for measuring the intensity of an electric current which has a simple and economical design and offers a high measurement dynamic compatible with combined measurement, protection and energy metering applications. The device (1) is insensitive to parasitic fields and to the position of the electric conductor to be measured, and that can be opened to facilitate placement thereof. The device (1) defines a closed path (C), about a conductor (2) for the circulation of the lines of magnetic field induced by the current to be measured, and the path is formed by two plates (30) having a high magnetic permeability separated by two air gaps (E) closed by two identical and opposed electric coils (4) for supplying a voltage proportional to the derivative of the intensity (I) of the current to be measured. The device (1) reduces the is compact so that it can be easily integrated into any type of electric appliance.

Abstract: An automated control module for an electrical cut-off apparatus including an automated actuation mechanism (30) having two electromagnets (31) aligned in opposition on a slide (34) bearing a rack (35) which meshes with a driving pinion (40). The driving pinion (40) can rotate about a drive spindle (50) which is intended to be rotationally coupled to the drive shaft of the cut-off apparatus (1). The drive spindle (50) includes a ratchet wheel (51) driven in one direction or another by pawls (43) fastened to the driving pinion (40) so as to switch the cut-off apparatus (1) according to the controlled electromagnet. This control module (10) also includes a manual actuation mechanism (60) and automatic clutch mechanism for disengaging one of the mechanisms (30 or 60) when the other mechanism is in operation.

Abstract: The present invention concerns a shutoff apparatus that can be controlled In either front or side mode, consisting of a minimum number of parts and resulting in a simple, economical, mechanically dependable, and compact unit. The shutoff apparatus (1) includes a rotating control element (20) in the shape a star with four branches (22), provided with a profiled extremity (25) and connected to the control rod (5) oriented toward one of the other of the two control axes (A, B) corresponding to front and lateral control modes, respectively. The present invention has a transmission element (30) connected to movable contacts (7) and equipped with inclined ramps transforming rotational movement by the control element (20) on one or the other of the two control axes (A, B) into translational movement by the movable contacts (7) between the released and engaged positions, and conversely.

Abstract: This invention pertains to a simple, economical, reliable secure operation mechanism that can be adapted to factory production, or for post-sale, on any electrical shutdown device in a cabinet, that is designed to enable the shutdown device to be switched, while the cabinet is open, only after an additional voluntary action is performed by the operator on a secondary handle provided inside said cabinet.

Abstract: An electrical apparatus for mounting on a frame that allows lateral connection as well as rear connection. The electrical apparatus (10) has connecting tabs (70, 70?) arranged for connection to the electrical terminals (80, 80?) of electrical apparatus (10) in such a way that they are removable and can be oriented in a lateral or rear position. The electrical terminals (80, 80?) have mounting zones (80a, 80?a) forming an angle ? equal to 45° with a rear wall (40) of the casing (20), and the connecting tabs (70, 70?) have connecting segments (70b, 70?b) forming an angle ? equal to 135° with the mounting segments (70a, 70?a). The casing (20) of the electrical apparatus (10) also has lateral openings (60, 60?) and rear openings (61, 61?) for the passage of connecting tabs (70, 70?) wherein the lateral (60, 60?) and rear (61, 61?) openings are closed by a cover (21).