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Relay module for smoke alarm device Dual/VdS- Relay module for smoke alarm device Dual/VdS. Option to connect external alarm transmitters, e.g. horn or warning light. The alarm relay switches in the event of a local or networked alarm. In the event of a fault in the smoke alarm device, e.g. low battery, the fault relay switches. Alarm output contact:Changeover contact, potential-free Fault output contact:Changeover contact, potential-free Switching voltage:max. 30 V Switching current:max: 1 A
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