Abstract: A single coil actuator for low and medium voltage applications which comprises a single coil electromagnet and a power and control unit operatively connected to said single coil electromagnet. The power and control unit comprises: a first control unit and a second control unit; a power input operatively connected to an input filter and rectifier; a power supply operatively connected to said input filter and rectifier and to said first and second control unit; a power circuit operatively connected to said single coil electromagnet. In the single coil actuator according to the invention, said first control unit is a microcontroller including analogue and digital inputs and outputs, and said second control unit is a PWM controller which controls the current flowing in the single coil electromagnet through said power circuit.

Abstract: A Trip Circuit Supervision (TCS) relay for Low and Medium Voltage applications operatively connectable to a trip circuit of a Low or Medium Voltage apparatus, said TCS relay comprising first means for detecting the current circulating in said trip circuit, second means for detecting the continuous component of the current circulating in said trip circuit, third means for detecting the presence of pulses in the current circulating in said trip circuit, first enabling means for enabling said third means for detecting the presence of pulses in the current circulating in said trip circuit, signal generating means connected in input to said second and third means for detecting, respectively, the continuous component of and the presence of pulses in the current circulating in said trip circuit, and connected in output to control means operatively connectable to alarm generating means.

Abstract: A power and control unit for low and medium voltage applications, operatively couplable to one or more functions of a low or medium voltage apparatus, comprising: an internal self-diagnostic function operatively coupled to a signal-generating function; a binary input operatively coupled to said internal self-diagnostic function; a low-impedance variable load connectable in parallel to said binary input, said binary input comprising a control function operatively connected to said low-impedance variable load and also operatively connected, through a signal-detecting function, to said internal self-diagnostic function and to said one or more functions of said low or medium voltage apparatus.

Abstract: A single-coil actuator for low or medium voltage applications which comprises a first assembly which comprises a first casing having a first half-casing and a second half-casing coupled to each other. The first casing defines an internal space housing an electromagnet having a coil and an armature movable between two positions. The first half-casing has a first opening for the mechanical coupling of the armature with an external element, while one of the first or second half-casing has a second opening for the electrical connection of the electromagnet. The electrical connection comprises a first connection element of the socket and plug-type connection which is electrically connected to the coil and positioned in correspondence of the second opening.

Abstract: A single coil actuator for low and medium voltage applications which comprises a single coil electromagnet and a power and control unit operatively connected to said single coil electromagnet. The power and control unit comprises: a first control unit and a second control unit; a power input operatively connected to an input filter and rectifier; a power supply operatively connected to said input filter and rectifier and to said first and second control unit; a power circuit operatively connected to said single coil electromagnet. In the single coil actuator according to the invention, said first control unit is a microcontroller including analogue and digital inputs and outputs, and said second control unit is a PWM controller which controls the current flowing in the single coil electromagnet through said power circuit.

Abstract: A power and control unit for low or medium voltage applications operatively coupable to a low or medium voltage apparatus and to a protection relay having a trip circuit supervision. The power and control unit for low or medium voltage applications according to the invention comprises: a binary input which is operatively coupable with said protection relay; a control unit operatively coupled to said binary input and operatively coupable to said low or medium voltage apparatus; a failure and continuity detection unit operatively coupled to said binary input and that can be enabled and disabled; an enabling unit operatively coupled to said failure and continuity detection unit and to said control unit and operatively coupable to said low or medium voltage apparatus.

Abstract: An interface module for communication with at least a first electronic or electromechanical device of a medium voltage interruption unit which comprises at least a power supply port through which said first device receives electric power. The interface module further comprises first interface means that are electrically connected to said power supply port, said first interface means exchanging information with said first device through said power supply port.