Rotating LED Lantern VRB-25 High Performance

Marine lanterns are available in a variety of colors to suit navigation or marker applications. Common colors include red, green, white, yellow, and blue.

A key differentiating specification for marine lanterns is the distance from which the lantern can be seen. United States Coast Guard (USCG) approved Class A lanterns can be seen up to 5 nautical miles away. Class B lanterns can be seen up to 3 nautical miles away.

Many marine lanterns operate as a continuous marker or can be set to over 200 rhythmic flashing settings to conform to the Association of Lighthouse Authorities (IALA)  flash guidelines. Marine lanterns meet the Aids to Navigation (AToN) and Private Aids to Navigation (PAToN) recommendations established by the International Association of Lighthouse Authorities (IALA).

The VRB-25 LED is a high intensity rotating beacon suitable for ranges up to 25 nautical miles. Being an LED beacon, it is extremely energy efficient and can be monitored digitally.
It is an ideal replacement for beacons with Fresnel lenses in historic lighthouses, or locations requiring intensities greater than what can be achieved with typical stationary beacons.

• Weatherproof enclosure suitable for external mounting.
• Maintenance free LED.
• Constant-current LED drivers.
• Direct-drive brushless motor.
• 0.6 to 15.9RPM rotation speed with 240 increments.
• Day and night intensity is adjustable from 0 to 100%.
• Automatic day/night detection.
• Optional security code.
• Programmable low-voltage cut-out.
• Selectable master/back-up operation mode.
• Digital inputs/output.
• RS232 port.
• Available with AIS.

Monitoring

• VegaWeb Cellular Transmitter Extended IO (VWEB-GPRS).
• VegaWeb Cellular Transmitter -Standard IO (VWEB-M).
• VegaWeb Satellite Transmitter (VWEB-SAT).
• Vega AIS transponder (VAIS-1E/3E).

Functionaltity and Features VRB-25

The VRB-25 LED has unique advantages over other stationary beacons: There is no lamp replacement or maintenance required, as the LED beacon will operate for over 70,000 hours. Traditional lighting such as halogen bulbs, metal-halide lamps or fluorescent tubes have lifespans under 4,000 hours.

Rotating beacons provide greater intensities with lower power consumption than stationary beacons. As the light is focussed into narrow beams instead of going in all directions at once, it is brighter. Each white LED produces over 520,000cd. When rotating at 1 RPM, the effective intensity is 209,000cd. Depending on rotation speed, the 4 tier beacon is visible up to 25NM (or 40NM at 0.85T).

The VRB-25 LED maintains the traditional beam of light sweeping through the sky, with the unique build-up and fade-out of brightness which is associ-ated with lighthouses. This effect was lost with stationary LED beacons.

The VRB-25 LED is ideal for solar-powered applica-tions. Solar panels and batteries can be 80% smaller than was previously required. The VRB-25’s brush-less motor only consumes 1.2W of power and each LED tier uses 22.7W (6 panel).

Flash characters are produced by setting the rotation speed and selecting 6 or 8 optic panels. Group flashes can be achieved by ordering the VRB-25 with blanking panels instead of LEDs. LED panels can also be disabled if required.
Standards

Electromagnetic Interference (EMI): EN55015:2006; 2007:Amd1; 2009:Amd2 radiated emissions

EN61000-4-2:2001 Electrostatic Discharge Immunity, Level 4

EN61000-4-3:2002 Radiated Immunity, Class 1

EN61000-4.5:1995Class 3 Surge Immunity, 0.5kV lead-to-lead FCC 47 CFR Section15 Class A

Optical performance