Marine Lantern SL-300 Series SL-300-1

Sealite Marine Lantern  SL-300 Series – SL-300-1 


The Sealite Marine Lantern SL-300-2.5D-1 is a 15 to 17.5NM long range marine lantern with 2.5 degree vertical distribution, and is suitable for a range of applications including ports & harbours, wind farms and general marine navigation.

The single tier SL-300-2.5D-1 offers multiple intensity adjustments to over 43,000cd luminous intensity “ providing high levels of efficiency, minimal wind loading, and delivering significant advantages over traditional lens stack assemblies.

The custom designed interconnected upper and lower heat sinks are designed to maintain an appropriate LED temperature across a wide range of duty cycles, enabling the lanterns to run efficiently whilst maintaining a compact size.

  • Over 46,000cd luminous intensity white
  • Compact single tier lantern up to 17.5NM visible range
  • Multiple user-adjustable intensity settings
  • 310 standard flash codes plus custom character
  • PC or IR Programmer for setup, diagnostic & testing
  • Internal or external photocell options
  • User configurable day/night lux levels
  • Advanced remote monitoring features
  • Wide operating voltage range 20-58VDC
  • Internal data-logging for long term retention of key operational parameters & alarm conditions
  • Hardwire synchronisation supporting RS485 & RS422
  • General purpose inputs (two) & outputs (two)
Light Source High efficiency LEDs
Visible Range (NM) @ 0.74: 15-17.5
Nominal Voltage (V) 24-48
Vertical Divergence ˃2.5
Typical power (W) Variable up to 64
Optional AIS Type 1 or 3
Download the product brochure for full details