The Busch smoke alarm relay module activates a relay (floating changeover contact) as soon as it receives an alarm signal from a programmed smoke or heat detector.\nThe Busch smoke alarm relay module can be used to activate light\nor audio signal transmitters or connected KNS systems.\n\nSuitable for connection to external systems, e.g. KNX via corresponding binary inputs.\nSuitable for connection to external systems such as Busch-free@home via appropriate binary inputs or extension inputs of the wireless sensor / actuator combinations (e.g. 62211/1.1-WL).\nRelais contact: changeover contact 230 V~ max. 5A\nConnection terminals: up to 2 x 2 x 1,5 mm²\nIncl. RF module.