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

• Beacon dimensions (LxWxH): 510x510x240mm / 20.6”x20.6”x9.4” nominal• Controller dimensions (LxWxH): 381x355x152mm / 15”x14“x6” nominal• Beacon weight: 13.6kg/30Lbs. nominal• Controller weight: 6kg/15Lbs. 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• Connection Details: Supplied with a combined power and alarm connection cable• Built in overvoltage protection, designed to meet: Class III according to IEC61643-1, Class D• HV/HC certified (Pending)

Electrical Characteristics

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

Standards/Certification

• Five year warranty• Simple cable connection for easy installation• Stabilized intensity across full operational tempera ture range• Lightweight and easy to install• Modular construction controller• 15 Year field proven power supply technology• Constant power draw - eliminates high peak power demands especially important when running from solar system/UPS• Long life power supply to match LED life, does not use electrolytic capacitors• Effective intensity 20,000 cd white, 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 standalone light or as part of a system• “Smart Switch” aircraft detection input• Visibility condition variable intensity input• Remote photocell control input/override• Optional Infra-red output at 850nm• Beacon monitoring dry contact• Sidelight monitoring dry contact• Photocell monitoring dry contact• AC power monitoring dry contact• Form “C” failure contacts for monitoring

White and 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.

L550-864/865 Red/WhiteLED Lighting System

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

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 Twilight Night Day Twilight Night

L550-864-865 40 40 20 <40 <40 <20 L864/L865

L550-864-865A 40 40 30 <40 <40 <20 Avian

L550-865 40 40 40 <40 <40 <10 L865