BLT Series

Best-in-Value Low-Profile Recessed LED Luminaire

With a clean design, shallow fixture-depth for easy installation, plug-n-play control options and reliability backed by Lithonia Lighting--all at an attractive price--the BLT Series is your best-in-value ambient lighting solution for commercial projects.

—The BLT Best-in-Value Low Profile LED luminaire features a popular center basket design that offers a clean, versatile style and volumetric distribution. High efficacy LED light engines deliver energy savings and low maintenance compared to traditional sources. An extensive selection of configurations and options make the BLT the perfect choice for many lighting applications including schools, offices and other commercial spaces, retail, hospitals and healthcare facilities. The low profile BLT design (2-3/8") also makes it an excellent choice for renovation projects.


BLT enclosure components are die-formed for dimensional consistency and painted with a polyester powder paint for improved performance and protection. The reflector is finished with a high reflective matte white powder paint for improved aesthetics and increased light diffusion. End plates contain easy-to-position integral T-bar clips for securely attatching the luminaire to the T-grid. Diffuser are extruded from impact modified acrylic for increased durability. Four diffuser choices available -curved and square designs with linear prisms or a smooth frosted finish.


Volumetric illumination is achieved by creating an optimal mix of light to walls, partitions and vertical and horizontal work surfaces – rendering the interior space, objects and occupants in a more balanced, complimentary luminous environment. High performance extruded acrylic diffusers conceal LEDs and efficiently deliver light in a volumetric distribution.


Long-life LEDs, coupled with high-efficiency drivers, provide superior quantity and quality of illumination for extended service life. LED lumen maintenance rated L80 at 60,000 hours. eldoLED driver options deliver choice of dimming range, and choices for control, while assuring flicker-free, low current inrush, 89% efficiency and low EMI. Optional integrated nLight controls make each luminaire addressable -- allowing it to digitally communicate with other nLight controls such as dimmers, switches, and occupany sensors using standard Cat-5 cabling. Optional Lumen Management provides onboard intelligence that actively manages the LED source so constant lumen output is maintained over the system life.


The BLT’s low profile design of only 2 3/8” provides increased installation flexibility especially in restrictive plenum applications. The BLT fits into standard 15/16" and narrow 9/16" T-grid ceiling systems. Suitable for damp location.

Product overview and specifications
Brand Name Lithonia Lighting
Color Rendering Index 80, 90
Control Networkable Control, Occupancy Sensor
Correlated Color Temperature 3000 K, 3500 K, 4000 K, 5000 K
Finish Gloss
Lens Material Acrylic
Lumen Maintenance L80
Lumen Output 4000 LM
Occupancy Sensor Mode of Operation Auto On (Default) or Vacancy
Product Type Troffer
Series 2BLT2, 2BLT4, BLT2, BLT4
Spec Sheets
A summary of the performance and other technical characteristics of the product.
File Type Document Title View
20BLT_pdf View
2BLT-2X2_pdf View
2blt-2x4_pdf View
2BLT-500-600x1200_pdf View
2BLT-600x600_pdf View
BLT-1X2_pdf View
BLT-1X4_pdf View
BLT-300x1200_pdf View
Technical Files
Installation documents, building information models, etc.
File Type Document Title View
BLT-Installation-Instructions_pdf View
Download brochures, sell sheets, photometry files and other sales tools.
File Type Document Title View
BLT-Agent-Presentation_ppt View
BLT-Distributor-Sell-Sheet_pdf View
BLT-Replacement-Chart_pdf View
BLT-Series-Configurable-Brochure_pdf View
File Type Document Title View
BLT-Distributor-Sell-Sheet_pdf View
File Type Document Title View
BLT-Distributor-Sell-Sheet_pdf View
Product Configurator
Select a Series to create a catalog number