Description
Nanhua LM403A Medium-Intensity LED Obstruction Light
The LM403A combines high-output white and optional red LED operation for day, twilight and night obstruction marking. Integrated monitoring contacts and selectable flash patterns support engineered aviation-lighting systems.
Key Features
- ICAO Type A and Type B configurations
- White or white-and-red LED output
- Automatic photocell-controlled intensity changeover
- Normally open and normally closed dry-contact fault alarm
- LED service life of at least 100,000 hours
Important Specifications
- Day and twilight intensity: 20,000 cd nominal
- Night intensity: 2,000 cd nominal
- Horizontal beam coverage: 360 degrees
- Vertical beam spread: at least 3 degrees
- Day flash rates: 20, 30 or 40 flashes per minute
- Night modes: 20, 30, 40 or 60 flashes per minute, or steady red
- Supply options: 110V AC, 220V AC or 48V DC
- Ingress protection: IP66
- Operating temperature: -40°C to +55°C
- Approximate weight: 18.2kg
Choose the colour, intensity mode, voltage and control arrangement to match the approved obstruction-lighting design.
