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Twilight switches

The applications are for street lighting, display lighting, illuminated signs...


This device controls lighting circuits in relation to ambient light, based on user settings.

A photo-electric cell measures the light level and in conjunction with the relay provides On/Off control of a circuit.

  • EE100 is delivered with a separate surface photo electric cell EE003
  • EE101 is delivered with a separate flush photo electric cell EE002


4 position override switch allowing:
  • auto/normal operating mode
  • on: permanently switched on
  • off: permanently switched off
  • test: setting mode for easy adjustment
  • output: 1 changeover AC1
  • contact: 16A AC1 230V

Technical characteristics

  • Voltage rating: 230V ~+10-15 % 50Hz
  • Output: 1 changeover 16A - 250V ~AC1
  • Sensitivity: 2 ranges
    - 5 to 100 lux
    - 50 to 2000 lux
  • Maximum distance: 50m between photocell and controller