All values mentioned in this document are typical values.Document can be subject to modifications without prior notice.www.twrlighting.com

TWR10810 W. Little York Rd.Suite #130Houston, TX. 77041

P: 713-973-6905F: 713-973-9352

Red flashing obstruction light for reliable day and night time marking of structures that represent a hazard to aviation. Incorporates the benefits of advanced LED and control to meet the challenges of the most demanding applications.

L550-864-G RedMedium Intensity Red Synchronized LED Obstruction Light

• Beacon dimensions (LxWxH): 510x510x240mm / 20.6”x20.6”x9.4” nominal• Beacon weight: 12kg/26Lbs. nominal• Design degree of protection: IP65• Operating temperature range: -55ºC to +55ºC/-67ºF to +130ºF

System Key Features Physical Characteristics

• Operating voltage: 120/230 VAC nominal; 50/60 Hz• Power Consumption: (See table)• Connection Details: Supplied with a combined power and alarm connection cable• LED protection and diagnostic monitoring for optimum reliability• Overvoltage Protection: Class D

Electrical Characteristics

Standards/Certification

• Design for lighting wind turbines• Standalone design with integrated photocell, power supply and monitoring• Internal flash synchronization to operate in unison between each obstruction light• Five year warranty• 15 Year field-proven power supply technology• Long life power supply to match LED life, does not use electrolytic capacitors• Simple cable connection for easy installation• Stabilized intensity across full operational tempera ture range• Lightweight and easy to install• No maintenance require over service life• Constant power draw - eliminates high peak power demands especially important when running from solar system/UPS• Effective intensity 2,000 cd red• Horizontal beam coverage = 360º• Vertical beam profile: 3º minimum• Automatic shutdown feature if 25% LEDs are not operating• Use as a stand alone light or as part of a system• “Smart Switch” aircraft detection input• Optional Infra-red output at 850nm

Obstruction light complies with:• United States: FAA AC 70/7460-1L• Mexico: DGAC• International: ICAO Annex 14• Various national approvals

TWR10810 W. Little York Rd.Suite #130Houston, TX. 77041

P: 713-973-6905F: 713-973-9352 All values mentioned in this document are typical values.

Document can be subject to modifications without prior notice.www.twrlighting.com

L550-864-G RedMedium Intensity Red Synchronized LED Obstruction Light

L550-864-865-GLEFT VIEW

BOTTOM VIEW

=240=

Ø507

Ø15 (4X)

Ø507

FRONT VIEW

4- 11/16" Mounting Holes Spaced90° On 13.25" (33.65 cm) Bolt Circle

Product Additional informationType flashes per minute power consumption

(W) @ 20° Ccomment

Day Night Day Night

L550-864-G-A OFF 30 <2 <20

L550-864 OFF 20 <2 <20 FAA Type L-864

L550-864-G OFF 20 <2 <20 FAA Type L-864 with GPSsynchronizer

FAA Type L-864 with GPSsynchronizer Avian