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LM403A Medium intensity obstruction light Type A&B with working mode of 20000cd intensity white flashing in the daytime and 2000cd white flashing at night, and also with red 2000cd steady burning/flashing at night optional.

Combined with the advanced LED light source, optical and system control technology to meet the most demanding applications;

Suitable for towers, chimney, high building, bridge, large construction machinery, large port machinery, wind turbine generation and any other potentially hazardous obstructions to air traffic.

Medium Intensity Obstruction Light

25 April 2021
Lampa de  balizaj cu LED, GPS si senzor crepuscular



Voltage input  AC110V AC220V DC48V

Fault alarm  Dry contact (NO or NC optional)

Average Power Consumption  Daytime: 45W (40FPM)

Lightning surge  IEC61000-4-5 L- L 3kV IEC61000-4-5 L- G 6kV

Electrostatic Discharge  IEC61000-4-2 Contact discharge 8kV

Certificates and standards


CAAC   MH6012-2015

ICAO  ICAO(Annex 14)14 Volume I, Sixth Edition

FAA  Advisory Circular 150/5345-43H


Light source  LED

Work mode  Flashing

Light color  white/white+red

Flashing rate  Daytime/twilight: 20/30/40 FPM; Night:20/30/40/60FPM,steady burning(red); (default 40 FPM)

Flashing duration  Daytime/twilight :95ms; White color at night:150ms; Red color at night:670ms

Intensity  Daytime/twilight:20000±25%cd; Night:2000±25%cd

Horizontal degree  360°

Vertical degree  ≥3°

On/Off level  50-500lux




Storage temperature  Ta-40°C ~ +70°C

Operation temperature  Ta-40°C ~ +55°C

Humidity  0% ~ 90% RH (Not condensed)

IP Rate  IP66

Weight  18.2kg

LM403A product instruction PDF

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