Performance
Watts 49/39/26W
Color Temp 3500/4000/5000K
Lumens 3,532-6,496 lm
Efficacy 118.5-144.6 lm/W
Color Accuracy 85-86 CRI
L70 Lifespan 100,000 Hours
Type Constant Current
120V 0.43A/0.33A/0.23A
208V 0.24A/0.20A/0.20A
240V 0.21A/0.17A/0.11A
277V 0.18A/0.14A/0.11A
Input Watts 25.67-50.88W
Dimensions
Link to Dimension Drawing

Weight: 23.0 lbs

Technical Specifications

Installed with Lightcloud

Lightcloud is a commercial wireless lighting control system fully developed and supported by RAB. It's powerful and flexible, yet easy to use and install.

Learn More
Field Adjustability
Field Adjustable
Field Adjustable Light Output:
2' x 4': 49W/39W/26W (factory default 39W)
Color temperature selectable by 3500K, 4000K and 5000K (factory default 4000K)
Compliance
UL Listed
Suitable for dry and damp locations.
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.
DLC Listed
This product is on the Design Lights Consortium (DLC) Qualified Products List and is eligible for rebates from DLC Member Utilities. Designed to meet DLC 5.1 requirements.
DLC Product Code: S-WUIQNR
Electrical
Driver
49W: Class 2, Constant Current, 120-277V, 50/60 Hz, 120V: 0.43A, 208V: 0.24A, 240V: 0.21A, 277V: 0.18A
39W: Class 2, Constant Current, 120-277V, 50/60 Hz, 120V: 0.33A, 208V: 0.20A, 240V: 0.17A, 277V: 0.14A
26W: Class 2, Constant Current, 120-277V, 50/60 Hz, 120V: 0.23A, 208V: 0.20A, 240V: 0.11A, 277V: 0.11A
Dimming Driver
Driver includes dimming control wiring for 0-10V dimming systems. Requires separate 0-10V DC dimming circuit. Dims down to 10%.
THD
7.48% at 120V, 10.4% at 277V
Power Factor
99.3% at 120V, 96% at 277V
Surge Protection
CM: 2 kV
DM: 1 kV
Construction
Cold Weather Starting
The minimum starting temperature is -22°F (-30°C)
Ambient Temperature
Suitable for use in up to 104°F (40°C)
IC Rated
Suitable for direct contact with insulation
Housing
Die-formed, 26-gauge, cold-rolled steel
Reflector
Aluminum with high reflectance white finish, optimized for uniform distribution.
Lens
Frosted polycarbonate lens
Finish
Formulated for high durability and long-lasting color
Green Technology
Mercury and UV free. RoHS-compliant components.
Installation
Mounting
Recessed ceiling
Performance
Lifespan
100,000-Hour LED lifespan based on IES LM-80 results and TM-21 calculations
Wattage Equivalency
49W: Replaces up to (3) F32T8 or (3) F28T5
39W: Replaces up to (3) F32T8 or (2) F28T5
26W: Replaces up to (2) F32T8 or (2) F28T5
LED Characteristics
LEDs
Long-life, high-efficacy, surface-mount LEDs
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 C78.377-2017.
Lightcloud
Wireless Network Lighting Control
Control any fixture in your Lightcloud integrated/embedded networked lighting luminaire-level control system. LLLC - capable of switching, 0-10Vdimming, power/energy monitoring. Can also be used to extend the range of the Lightcloud mesh network communication protocols.

DLC system - Interior: N1XMLOEATBA; Exterior: NHCZ2BIA17L
Learn more at www.lightcloud.com
Gateway Required
Yes
Communication Protocol
Cellular/Zigbee Mesh
Range
100 ft through obstructions; up to 1,000 feet clear line of sight
Spacing Criteria
Lightcloud devices should be placed within the specified range to communicate within the mesh network.
Sensor Settings
Occupied Actions
On or On at a Dim Level
Other
5-Year, No-Compromise 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.

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