Legrand 180° PIR Light Controller

  • RS-stocknr. 827-2720
  • Fabrikantnummer 0 784 52
  • Fabrikant Legrand
Datasheets
Wetgeving en conformiteit
Conform
Land van herkomst: CN
Productomschrijving

Legrand 180° Switch Sensors

The Legrand 78452 is a lighting management stand-alone PIR daylight sensor including vacancy mode with neutral.

It provides automatic lighting management in areas that benefit from natural light: (e.g. individual and open-plan offices and meeting rooms).

Wall mounting
Automatic lighting management for places benefiting from natural light (private offices/open space offices, meeting rooms)
Occupancy mode: automatic on/off switching upon detection
Vacancy mode: manual switching on with pushbutton, automatic switching off
Factory pre-set time delay: 15 minutes
Light level threshold 500 lux for false ceiling sensors; 300 lux for flush-mounting sensors
Precise adjustment through mobile configurators

Daylight Lighting Controllers

These controllers automatically turn lights 'ON' and 'OFF' in response to changes in ambient light levels, primarily the transition from day to night and vice-versa. The more advanced types (see note below) have inbuilt logic to minimise false triggering, whereas the remainder have inbuilt time delays or higher 'OFF' thresholds, to prevent on/off cycling. As a general rule, these controllers should be sited such that they are not illuminated, by the light they are controlling. Nominal supply voltage is 230Vac.,Note regarding energy-saving negative-hysteresis controllers,Where figures for the 'OFF' threshold are lower than for the 'ON' threshold, the sensor is designed such that four thresholds are actually monitored. These are: dusk, the middle of the night, dawn and the middle of the day. Monitoring at times other than dusk and dawn enables the sensor to determine what it should be looking for next, minimising false triggering and improving overall controller operation.

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