The 5,000 lumen BIRNS XT120™, BIRNS Model 5651, is a powerful, rugged, low profile (Ø76mm) 120 or 240 VAC or VDC underwater directional light, providing brilliant illumination for vehicle and camera work. It’s lightweight and hydrodynamic, to significantly reduce drag, and relamps in under 30 seconds without being removed from the vehicle.

•5,000 lumens
•Voltage flexibility: 120 or 240 VAC or VDC
•Small size (Ø76mm / Ø3.0" OD)
•2461m depth rating
•Fast, easy wire-free maintenance
•30-second tool-free relamping
•3000k brilliant white light
•Tungsten-halogen, commercially-available lamps
•No warm-up time; no ballast needed
•Options include 8 lenses and 3 mounts
•Commercial-grade Class A GFCI (ELCB) compatibility 

PHYSICAL
Length - 13.5 cm (5.3 in.)
Width - 11.7 cm (4.6 in.) with yoke 7.6 cm (3.0 in.) without yoke
Height - 11.4 cm (4.5 in.) with yoke 7.6 cm (3.0 in.) without yoke
Weight in Air - 0.5 kg (1.1 lbs.) with yoke 0.45 kg (1.0 lbs.) without yoke
Weight in Water - 0.14 kg (5 oz) with yoke 0.11 kg (4 oz) without yoke


LIGHTING/PHOTOMETRIC
Lamp Type - Incandescent Tungsten-Halogen
Time To Full Brightness - <1 second after application of power
Operating Position - Universal (i.e. any position)
Rated Average Lifetime - 2,000 hours (250w lamp)
Dimming Range - 0-100%
Light Output - 5,000 initial lumens (250w lamp)
Correlated Color Temp - 3000K, depending on installed lamp Beam Angle (to 50% output): 52° (clear lens) or 74° (frosted lens)


ENVIRONMENTAL
Protection Level - IP 68
Depth Rating - thin lens: 1800m (5,900 FSW) + 100% safety margin thick lens: 2461m (11,200 FSW) + 100% safety margin
Expected Radiation Tolerance - 105 Gy (107 R)


ELECTRICAL
Input Voltage - 110 ±10 or 220 ±20 VAC/VDC, depending on installed lamp
Supply Frequency - 60 or 50 Hz
Cable Size - 16 AWG type SO, 3 conductor (standard)
Cable Current Rating - 12 amperes maximum
Cable Voltage Rating - 600 volts maximum
Nominal Lamp Wattage - 250 Watts (default); 100 and 150 Watts (available)


MATERIALS
All Housing Parts - 6061 Aluminum, hard black anodized
Yoke Frame And Base - Stainless steel type 304, electropolished
All Hardware - Stainless steel type 18-8
Lens - Tempered borosilicate glass
Seals - BUNA N (standard), other materials available
Connector - Glass-reinforced epoxy (GRE)
Connector Pins - Brass 360 per ASTM B16, gold-plated per MIL-G-45204