Modular system for formation of electrical control panels with possibility of replacement in service. (Machine-translation by Google Translate, not legally binding)
ES424078A1
System for monitoring the command elements of the circumstances and correct fulfillment of the functions of the same. (Machine-translation by Google Translate, not legally binding)
ES415997A1
Fault detection and signaling system
ES414625A1
System of synchronous and simultaneous multiple, frequency, applicable or signaling electronic signals system. (Machine-translation by Google Translate, not legally binding)
ES414664A1
Overcurrent protection system with variable inverse-time characteristic
ES414663A1
Intensity measurement relay for protection of engines by phase cut. (Machine-translation by Google Translate, not legally binding)
ES414665A1
Earth leak detection system in continuous current circuits. (Machine-translation by Google Translate, not legally binding)
ES414624A1
Control device detecting signal deviations from threshold values
ES414597A1
System for the elimination of the asymmetrical component applicable to electronic relays of measurement. (Machine-translation by Google Translate, not legally binding)
ES414596A1
System of measurement of the insulation of continuous current lines. (Machine-translation by Google Translate, not legally binding)
