Smart Shift Logo Lightcloud Logo
  • Includes built-in support for Lightcloud wireless controls with SmartShift circadian lighting
  • Perfect for shallow plenums
  • Even and diffuse ambient illumination, ideal for spaces where glare-free lighting is required
  • 0-10V dimmable driver, standard
View Technical Specs
Watts 50W
Color Temp 2700-6000K
Lumens 5517-5929
Efficacy 119.8-125.1 lm/W
Color Accuracy 82-86 CRI
L70 Lifespan 75,000 hours
Type Constant Current
120V 0.42A
208V 0.25A
240V 0.21A
277V 0.18A
Input Watts 46-47.6W
Link to Dimension Drawing

Weight: 10.6 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

Lightcloud Controller Installed

Lightcloud provide wireless switching, dimming, scheduling, and power monitoring all from a cloud-based Web or phone App. Learn more about Lightcloud.



SmartShift is the most advanced - yet easiest to use - circadian lighting system, which syncs white color tuning with the local sunrise and sunset. SmartShift is configurable down to the individual fixture for precision control and customization.


UL Listed

Suitable for damp locations

CCEA Compliant

Luminaire Requirements used in Environmental Air Space per the electrical code specification of the City of Chicago

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.


Dimming Driver

Driver includes dimming control wiring for 0-10V dimming systems. Dims as low as 10%.


All values are typical (tolerance +/- 10%)

LED Characteristics


60,000-hour LED lifespan based on IES LM-80 results and TM-21 calculations


Long-life, high-efficacy, surface-mount LEDs


IC Rated

Suitable for insulated ceilings

Maximum Ambient Temperature

Suitable for use in -30°C (-22°F) to 50°C(122°F)


Frosted Polystyrene


Recessed ceiling


Lightweight aluminum housing, steel pan and junction box


Standard integral T-bar clips secure the fixture to T-bars and prevent T-system separation


Formulated for high durability and long-lasting color

Green Technology

Mercury and UV free. RoHS-compliant components.



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


Equivalent to (4)F32T8 or (4)F28T5

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.

Recently Viewed Products

 This is a link to the product WPLED104W WPLED104W
Wallpack 104W Cool Led 4 X 26W White
 This is a link to the product HID-63-EX39-830-BYP-PT HID-63-EX39-830-BYP-PT
Hid Post Top 63W 250Eq
 This is a link to the product FFLED18W/STL3 FFLED18W/STL3
Lstealth Ffled18 18W 5000K Cool Led With Stealth 360 Sensor White
 This is a link to the product MDLED2X12D10-30N-B-W/LC MDLED2X12D10-30N-B-W/LC
Multi 2X12W Led 4000K 30Deg Black Gear Tray White Head 0-10V Dim
 This is a link to the product BOA8S-40D10-40N-B BOA8S-40D10-40N-B
Linear Slot Surface 8Ft 40W Led Dim 42Deg Refl 4000K Black
Link to Live Chat

Contact us

A RAB support representative will respond soon.

Send a message
Link to Lighting Design

Lighting Design

Our lighting designers can help you create a custom layout.

Request Lighting Layout
Link to DLC qualified products

DesignLights Consortium®

Find DLC qualified products.

Learn More
Link to Where to Buy

Where to Buy

Find a distributor or RAB Sales Representative.

Go to Locator