Stromausfall-Benachrichtigung

Power failure alert means that Zentraleinheit can send a message if the mains power goes down.

This is useful for monitoring freezers and similar equipment which is dependent on a constant power supply.

The alert is sent with the help of a small inbuilt battery in Zentraleinheit which normally lasts for a couple of hours after a power failure. When the power is restored the battery is automatically recharged.

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