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Two AutroSafe fire detection systems using AutroKeepers to access one set of detection loops, provides a total system with a primary and a secondary loop control (AutroSafe Dual Safety).

If, by any reason, the primary loop control fails, the secondary loop control will take over, and fire detection is thus maintained. Redundancy is achieved without introducing two set of detection loops and thus avoiding twice the amount of cabling and detectors.