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LU1

Product information "LU1"

Fan – Speed monitoring, Power supply 24V

  • Monitoring a fan speed
  • for ground-switching outputs
  • 1 to 4 fans
  • Status display in the front of the device
  • Collective alarm output
  • Supply 24VDC
  • for mounting rail mounting TS35
  • clear terminal marking
  • small dimensions

The fan monitoring devices LU1 are used for speed monitoring of fans with ground-switching tachometer signal output. Up to 4 fans can be monitored in parallel. The minimum speed can be set separately for each fan or jointly for all 4 fans via a 20-turn spindle potentiometer, depending on the device version. If the set minimum speed of a fan is not reached, this is indicated via a common fault signal output (relay de-energised / quiescent current principle) and a red LED in the front of the housing indicates the fault for the corresponding channel (depending on the device variant). A green LED indicates that the device is ready for operation. The devices require an auxiliary power of 24Vdc and can be snapped onto TS35 mounting rail.


Datasheet