Abstract: Switching device comprising: a switching unit comprising, for each electric pole, a first disconnection contact, a second disconnection contact and one or more solid state switches; a supporting frame comprising, for each electric pole, a third disconnection contact and a fourth disconnection contact, which are coupled/separated respectively with/from the first and second disconnection contacts, when the switching unit is in an insertion/withdrawn position with respect to the supporting frame; actuating means for moving the switching unit between the insertion position and said the withdrawn position, and viceversa; a control unit comprising control means that are configured to coordinate the operation of the actuating means and the solid state switches, when an insertion/withdrawn operation of the switching unit has to be performed, so that the actuating means move the switching unit only when the solid state switches are in an off-state.

Abstract: Exemplary embodiments are directed to a switching device for an electric circuit including at least one contact movable between a closed position in which it is coupled to a corresponding fixed contact and an open position in which it is spaced away from said corresponding fixed contact. The switching device including at least one locking device configured for being actuated between a rest configuration in which said at least one movable contact is free to move and an operative configuration in which it locks said at least one movable contact in the open position. The locking device is configured for outputting one or more electrical signals which are indicative of at least one of the rest configuration, the operative configuration, and an under actuation condition wherein the locking device itself is moving between said rest and operative configurations.

Abstract: The present invention relates to a moving element for a low voltage switching device and to a switching device comprising this moving element. The moving element according to the invention comprises for each pole a housing unit suitable to receive an elastic element which interacts with an electrical contact. This latter comprises a first contact portion susceptible to contact a further electrical contact and a second portion connectable to a conductive element of the switching device. The electrical contact comprises a pin shaped portion positioned rotating in a seat defined on the housing unit so as to configure a mutual rotation axis of the electrical contact with respect to the housing unit.

Abstract: A cabinet for an electrical switchboard includes a supporting base and a frame mounted on the supporting base. The supporting base includes a base element having a lower wall configured to rest on a bearing surface, and a first lateral wall and a second lateral wall which protrude transversally from the lower wall and face each other. The base element includes a first upper wall protruding from an upper end of the first lateral wall towards the second lateral wall, a second upper wall protruding from an upper end of the second lateral wall towards the first lateral wall, so as to extend over at least a portion of the first upper wall. The base element also includes a coupling mechanism which couples the first and second upper walls to each other for supporting a corresponding portion of the frame.

Abstract: A communication network for a low-voltage switchboard comprising three types of communication bus. The first communication bus is designed to provide a first communication channel with at least one electronic protection device. A second communication bus is designed to provide a second communication channel with said electronic protection device. At least one third communication bus (13) is designed to provide a third communication channel between said at least one protection and control unit and one or more additional electronic modules (6A, 6B, 6C, 6E, 6F). The second communication bus is associated with a second, higher user access level than the first user access level associated with said first communication bus.

Abstract: A circuit breaker is disclosed which includes a plurality of fixed contacts and a plurality of corresponding movable contacts. An actuating shaft is operatively connected to and actuates the plurality of movable contacts to couple with/separate from the corresponding fixed contacts. A supporting device for the actuating shaft can be movably connected to a wall of the circuit breaker, and the actuating shaft can be operatively coupled to the supporting device to rotate around a rotation axis relative to the wall of the circuit breaker and the supporting device itself. The circuit breaker can include an adjustment device for adjusting at least the position of the actuating shaft relative to the wall.

Abstract: The invention relates to a method for managing the load profile of a low or medium voltage electric network that is supplied by at least an electric power source. The electric network comprises one or more electric loads and one or more controllable switching devices for disconnecting/connecting said electric loads from/with said electric power source. The method comprises the step of measuring a time window from a reference instant, the step of determining at least a check instant comprised in said time window and the step of executing a load profile control procedure at said check instant. In a further aspect, the invention relates to a control system for executing the above described method.

Abstract: The present invention relates to a control mechanism for the displacement of at least one moving contact of a low-voltage circuit-breaking device. The control mechanism comprises elastic means operatively connectable to the moving contact, at least a first element of which is operatively connected to a second element by means of pin-shaped connection means. The first and second elements each comprise a pair of facing lateral portions that are connected by a transverse portion. The pin-shaped connection means comprise a pair of pin-shaped ends, each of which emerges from one side of a lateral portion of the first element. Said pin-shaped means also comprise a pair of seats, each of which is defined on a lateral portion of the second element. Each pin-shaped end is inserted in a corresponding seat so as to configure an axis of mutual rotation between the first and the second elements.

Abstract: A user interface device for a switching device for low voltage electrical circuits comprising one or more electrical poles and an auxiliary device, provided with a first control unit. The user interface device, according to the invention, comprises a second control unit capable of storing data and of exchanging data and/or signals with said first control unit. The user interface device, according to the invention is mechanically associable, in a removable manner, with the switching device. The user interface device, according to the invention is electrically connectable, in a removable manner, to the aforesaid auxiliary device.

Abstract: An assembly for the frame of a switchboard is disclosed, which can include a hollow member which extends lengthwise along a reference axis and which has at least one slot. The assembly can include at least one connecting element for connecting the assembly to a corresponding corner joint element of the frame, and the connecting element can include an insulating body and a fixing metal plate which is associated to a carrying part of the insulating body. The carrying part can be at least partially inserted transversally with respect to the reference axis into the hollow member through the slot, so as to arrange at least a portion of the associated fixing metal plate into the hollow member transversally with respect to the reference axis.

Abstract: A hybrid current switching device has a casing which includes a main current switch having first fixed and movable contacts connected in series with first and second terminals, a power switch device connected in parallel with the main current switch and switchable between an on-state and an off-state, a secondary current switch having second fixed and movable contacts and being connected in series with the power switch device, and a movable-contacts holding shaft on which the first and second movable contacts are mounted. The contacts-holding shaft is positioned inside the casing rotating around a rotation axis to move the movable contacts between a closed position where they are coupled with the corresponding fixed contacts and an open position where they are electrically separated therefrom. The first and second movable contacts are mounted on the rotating shaft with an angular offset relative to each other when in the open position.

Abstract: A bus bar for electric power distribution switchboard is disclosed, which can include a conducting body, which longitudinally extends along a principal axis and, which, seen in a transversal cross-section, has a first side and a second side transversally connected by a third side and a fourth side. The body has, on the first side, at least a first slot and a second separated slot, and wherein the first slot has a first bottom portion from which a first lateral wall and a second lateral wall protrude transversally facing to each other, and the second slot has a second bottom portion from which a third lateral wall and a fourth lateral wall protrude transversally facing to each other. Each of the first bottom portion and the second bottom portion includes two substantially straight tracts, which form an angle of less than 180° between them.

Abstract: The invention relates to a computerized system and method for generating a life expectancy analysis report related to a low or medium voltage switching device.

Abstract: Exemplary embodiments are directed to a direct current switching apparatus including at least a first mechanical switching device which is suitable to be positioned along an operating path of an associated DC circuit and includes a fixed contact and a corresponding movable contact which can be actuated between a closed position and an open position along the operating path, wherein an electric arc can ignite between the contacts under separation. The switching apparatus includes an electronic circuit having a semiconductor device which is suitable to be positioned along a secondary path and connected in parallel with the first mechanical switching device. The electronic circuit can be configured to commute the flow of current from the operating path to the secondary path and extinguish an electric arc ignited when the movable contact separates from the fixed contact when the first mechanical switching device fails to extinguish the same.

Abstract: An electric motor apparatus having an improved cooling system comprising a first compartment housing an electric motor mounted on a rotating shaft, a second compartment housing an electric circuit adapted to connect said electric motor to a power supply source, and a cooling system adapted to dissipate the heat generated by said electric motor apparatus. The cooling system comprises a fan mounted on said rotating shaft in a position adjacent to said second compartment and on the opposite side with respect to said first compartment and at least one finned heat exchanger adapted to dissipate the heat generated by said electric circuit inside said second compartment.

Abstract: A system and method are provided for protecting a power grid against electric faults. A first circuit breaker is associated with a first electronic unit and positioned at a first hierarchy level. One or more additional circuit breakers, each including a corresponding second electronic unit, are positioned at one or more additional levels hierarchically lower than the first level and cascaded to each other. The first circuit breaker includes at least one semiconductor electronic breaking device. The first electronic unit is configured to, upon the appearance of an electric fault in a grid area, drive the breaking device to limit the current flowing through it for a predetermined period of time, and send to the circuit breakers on lower hierarchy levels an intervention command to allow intervention, among the circuit breakers that detected the fault, of the closest circuit breaker positioned immediately upstream from the area where the fault occurred.

Abstract: The present invention refers to a low voltage circuit breaker with a control device for re-closing said low voltage circuit breaker. The control device is provided with an actuating element, comprising a shape memory material and operatively associated with manoeuvring means for the circuit breaker. When this shape memory material performs a state transition, the actuating element causes the movement of said manoeuvring means from a first operative position, associated with an open configuration of the circuit breaker, to a second operative position, associated with a closed configuration of the circuit breaker.