TL210E-MI-3TXF865 White Medium Intensity Aviation Obstruction Lighting System for transmission line towers

Solution Series No.: TL210E-MI-3TXF865

Electricity transmission towers

Structure Type



Obstruction Lighting Arrangement

  • 2-4 F865 white medium intensity obstruction lights are on each level of top, 1/3 and 2/3 levels, white flashing 20-60fpm, 20,000cd±25% at day, 2,000cd±25% at night

Standard Reference

  • ICAO Annex 14 Volume I 2018, Appendix 5-1: Medium Intensity flashing-white obstacle lighting system, Type A
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Key Points


Operation Time


Illumination Color

3 levels

OB Levels

Medium Intensity

Intensity Type

Electric powered

Power Type


Built-in 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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