13 – 21 NM

The MBL500LD is a long-range marine flashing lantern, with a great optical efficiency and low consumption. Its luminous source consists of high-intensity LED diodes, obtaining a maximum range of 21 nautical miles.


Intended to be placed in on-shore aids-to-navigation locations, requiring minimal maintenance.

Equipped with a high precision lens made of UV resistant acrylic and protected by an impact resistant tempered glass lens cover. Manufactured with high-quality and resistant materials, the MBL500LD provides a long service life under harsh marine conditions.

Designed according to IALA Recommendations.

Technical specifications

State-of-the-art LED technology
High-efficiency luminous system

Up to 21 nm (T=0.74), 33 nm (T=0.85)

Vertical divergence

Up to 2º (50%Io)

Shock-resistant acrylic lens cover
Average operation lifetime

Over 15 years

Photocell adjustable in lux
IP 67 watertightness degree

Immersion resistant

Linear adjustment of luminous intensity
Double RS-232 serial port for setting adjustments

By PC and remote monitoring system

Programming, configuration and operating status

Via PC, IR programmer or Bluetooth

Short-circuit, reverse-polarity, over-temperature and transient over-voltage protections

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