Reliability in
Part Number 100757-KIT

Calibrated ambient sensor (photocell) for twilight-night intensity change in accordance with ICAO and FAA for all OBSTA lights or for the change of color and light-intensity

  • plug-in modular construction with plated contact surfaces
  • possibility to rotate the censor on its base
  • automatic control of the red or dual obstruction lighting according to ambient light in compliance with FAA and ICAO twilight/night triggering level (2 output signals available for night and twilight)
  • timer to prevent the functioning of the cell at inopportune times (lightning)
  • this photocell is provided with a bracket to fix it on a wall and 40cm of molded cable

Junction box P/N113946 and bracket P/N113927 for cable extension included in the kit

The ambient light sensor should be mounted upright, away from artificial light (eg., floodlights), and in a location that will enable its sensor window to have an unobstructed view of the polar sky (eg., pointed north in the northern hemisphere).

Main voltage
12VDC to 48VDC -10%/+15%
Average wattage
Max. admissible current
2A contact closed for the night mode and 0,3A for the twilight mode
Cable diameter
IP degree
IP65 in vertical position
On stripped wires
Operating temperature
Tu -35°C/+60°C
vertical bracket
Standards compliance
ICAO annex 14 chapter 6, FAA (AC 150/5345-43J), UK MOD, Transport Canada