9 Electrical and electronic devices, including their parts for local and remote measuring, monitoring, protection, control and automation of electrical power generation, transmission, distribution and consumption, namely, under- and overcurrent protection relays, under- and overvoltage protection relays, underimpedance protection relays, underreactance protection relays, under and overfrequency protection relays, differential protection relays, overload protection relays, underpower protection relays, circuit-breaker control units, interlocking logics for circuit-breaker and disconnector control and their position indication, alarm annunciators, voltage regulators, current voltage and power measuring transducers, current, voltage, power and energy sensors and meters, distribution feeder fault indicators; data processors and computers; computer software for use in protection, data acquisition, supervision, control, data transfer, data conversion and automation of bay oriented and centralized computers in the field of electrical substations and distribution feeders, electrical power generation, transmission, distribution and consumption; installations and systems for local and remote control and automation of electrical power distribution, namely, meters, remote sensors, transmitters and signals combined with computer software operating systems for use in providing a means for monitoring, managing and controlling electric power generation, transmission, distribution, and/or consumption and collecting, storing and providing data in the fields of electrical power generation, distribution, transmission and/or consumption