Scientific, measuring, signaling and checking (supervision) apparatus and instruments, apparatus, instruments and equipment for conducting, distributing, converting, storing, regulating or controlling electric current, namely, electronic apparatus for controlling and analyzing an electricity distribution network; electronic apparatus for measuring parameters on an electricity network for distributing electricity; electronic apparatus for counting and managing the electrical energy of an electricity distribution network; voltage regulators, voltage stabilizers, voltage testers, high voltage power supplies, static voltage regulators, high voltage power sources, power line conditioners, electric voltage transformers, high voltage transformers, voltage monitoring units, switches, disconnection switches, fuse switches, disconnectors, circuit breakers, fuses, fuse holders, current breakers, interrupters and telerupters, contactors, connectors, relays, commutator, charger rectifiers, electronic or electric power rectifiers and regulators, current, voltage and frequency transformers and converters, static converters, static inverters, electric and electronic inverters, sensors, electric meters, analog meters, digital meters, time meter, casings for electrical equipment, cables and connectors for electric cables, batteries, battery chargers, battery converters, accumulators, heat regulation, load transfer modules, inverters [electricity], power regulators, active filters, phase-phase capacitors, analyzers, programmable control and protection controllers for circuits, goods and persons; apparatus and instruments for measuring quantities and electrical parameters, electrical terminals; boards and consoles for electronic display, for electric control, connection and distribution, electric integrated circuit boards, electric switch boards, electric switch, control and disconnecting panels, electric connection, protective and disconnecting enclosures; electric board, printed card (for printed circuits) and electronic circuit board supports; static uninterruptible electrical power circuits, remote control circuits; testers and monitors, electric insulating monitors, detectors; protective devices and circuits for uninterruptible power supply, power transmission devices; electrical control devices; distribution and connection systems for electric circuits

Servicing, repair and checking of installations in the electrical field, electrotechnical installations, electric and electronic installations for the monitoring, checking and remote control of industrial operations, electronic installations in particular industrial, urban and household distribution equipment in the electrical field

Studies, research, testing and design in the field of electrical power distribution and electrical protection; technical consultancy in connection with energy measures; engineering services in the field of energy technology and the supply of electricity; product conformity studies in connection with standards, inspection services, the monitoring (control) of electricity distribution installations, electric converters and inverters