• Replaces 250W MH high bays
  • Reduces energy consumption by 67%
  • 100,000-hour LED lifespan
  • 5-Year, No-Compromise Warranty
View Technical Specs
Performance
Watts 78W
Color Temp 5100K (Cool)
Lumens 11,311 lm
Efficacy 125.3 lm/W
Color Accuracy 72 CRI
L70 Lifespan 100,000 Hours
Type Constant Current
120V 0.82A
208V 0.52A
240V 0.45A
277V 0.4A
Input Watts 90.3W
Dimensions
Link to Dimension Drawing

Weight: 26.9 lbs

Technical Specifications
Other
BAYLED78 with Bi-Level Operation
Allows 33%-66%-100% output modes
Patents
The design of the BAYLED™ is protected by patents pending in US, Canada, China, Taiwan and Mexico
Accessories
Available accessories include protective polyshield and wire guards, replacement lens and doorframe, and an occupancy sensor. Click here to see all accessories.
Warranty
RAB warrants that our LED products will be free from defects in materials and workmanship for a period of five (5) years from the date of delivery to the end user, including coverage of light output, color stability, driver performance and fixture finish. RAB's warranty is subject to all terms and conditions found at rablighting.com/warranty.
Buy American Act Compliance
RAB values USA manufacturing! Upon request, RAB may be able to manufacture this product to be compliant with the Buy American Act (BAA). Please contact customer service to request a quote for the product to be made BAA compliant.
Compliance
UL Listed
Suitable for damp locations with cord and hook. Suitable for wet locations with 3/4" pendant stem. Covered ceiling mount only.
IESNA LM-79 & LM-80 Testing
RAB LED luminaires and LED components have been tested by an independent laboratory in accordance with IESNA LM-79 and LM-80.
LED Characteristics
LEDs
Three multi-chip, 26W high-output, long-life LEDs
Color Consistency
7-step MacAdam Ellipse binning to achieve consistent fixture-to-fixture color
Color Stability
LED color temperature is warrantied to shift no more than 200K in color temperature over a 5-year period
Color Uniformity
RAB's range of Correlated Color Temperature follows the guidelines of the American National Standard for Specifications for the Chromaticity of Solid State Lighting (SSL) Products, ANSI C78.377.2011.
Performance
Lifespan
100,000-Hour LED lifespan based on IES LM-80 results and TM-21 calculations
Wattage Equivalency
Equivalent to 4 lamp T8 fixtures
Construction
Ambient Temperature
Suitable for use in up to 55°C (131°F)
Thermal Management
Superior thermal management with external air-flow fins
Housing
Precision die-cast aluminum housing and door frame with 3-foot 600V power cord
Lens
Tempered glass
Reflector
Specular vacuum metallized polycarbonate
Gaskets
High-temperature silicone
Finish
Formulated for high durability and long-lasting color
Green Technology
Mercury and UV free. RoHS-compliant components.
Installation
Mounting
Heavy-duty 3/4" NPS hook and 3 foot safety chain
Recommended Mounting Height
25 ft
Electrical
THD
11.83% at 120V, 9.66% at 277V
Power Factor
99.1% at 120V, 93.5% at 277V
Drivers (3)
Constant Current, 720mA, Class 2 with 6kV surge protection, 100-277VAC, 50/60 Hz

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