WT315E-2F864XOL200 Medium-Low Intensity Aviation Obstruction Lighting System for wind turbines

Solution Series No.: WT315E-2F864XOL200

Wind Turbines

Structure Type



Obstruction Lighting Arrangement

  • Two units of medium intensity red obstruction lights are at the top of the turbine nacelle, red flashing 2000cd±25%
  • At least three units of OL200 low intensity single obstruction light are at midway between the top of the nacelle and ground level
  • All medium intensity and low intensity lights in the wind turbine come with built-in GPS module, for flashing synchronously at 30FPM (±3fpm)
  • All turbines at the height of 210-315m should install L-864 medium intensity lights and L-810F low intensity lights, regardless of their location within a wind turbine farm.

Standard Reference

  • ICAO Annex 14 Volume I 2018, Chapter 6
  • FAA 70/7460-1L, Red Obstruction Lighting for wind turbines, A23-A27

Key Points


Operation Time


Illumination Color

2 levels

OB Levels

Medium Intensity + Low Intensity

Intensity Type

Electric powered

Power Type


Built-in photocell, External photocell, Control box

Control Type



Through built-in dry contacts in OB lights, Through dry contacts in control box

Alarm Via

Battery backup box for DC OB system, UPS backup box for AC OB system

Backup Power

Solution Products

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