In an electrificationInstallation of an overhead contact line for electric tracti... systemSet of interacting entities, conceptually aggregable in a ra..., a device that allows, through the maneuver of the controlTypical expression in cybernetics and systems theory, which ... organs of which it islsolation Mode provided, toOperator Terminal open or establish the electrical continuity between the various sections in which the overhead electrificationInstallation of an overhead contact line for electric tracti... lines are divided; in the closed position it allows the passage of current from one sectionTerm of management organization toOperator Terminal the other of the line; in the open positionTerm of signalling it prevents the passage of current. It islsolation Mode operated after the circuit-breakers related toOperator Terminal the sectionTerm of management organization circuits are activated
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