Product category
cos phi
Data Sheets

Monitoring of the operating state of the exhaust fan. The fan has a high starting current; this may not influence the monitoring and may not lead to a shutdown.

Solution description

The correct functioning of the exhaust fan is monitoring with the “under” function (underload monitoring). When the exhaust duct is clogged, the power factor worsens. The device reads this metric. In addition, a high starting current must be bridged for a short time, and may not lead to a shutdown.

Benefit/added value

– Configurable start-up suppression
– Reliable shutdown prevents filter blockage
– Start-up suppression and monitoring possible with one device

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