Suitable for use in contamination-controlled environments ISO7 (Class 10,000) and ISO8 (Class 100,000) applications. Certain airborne contaminants can diminish integrity of acrylic. Refer to Acrylic Environmental Compatibility tables for suitable uses.


Code-gauge steel housing is completely sealed with silicone caulk. Aluminum mitered-corner door frame features sealed cam latches and neoprene gasketing between door and housing.

Metal parts are finished after fabrication with electrostatically deposited, thermally set polyester paint.


Meets requirements for hosedowns up to 100 psi (see Options).

Suitable for use in 1", 1-1/2" and 2" wide T-bars, or with overlapping flange and swing-out hangers for use in dry or plaster ceilings.

Product overview and specifications
Brand Name Lithonia Lighting
Color White
Environment Indoor
Finish Gloss
Light Source Fluorescent
Listings CSA, cUL, UL Damp Location, UL Wet Location
Mounting Type Recessed
Product Type Troffer
Series 2SRT, SRT
Voltage Rating MVOLT, 120, 277, 347
Spec Sheets
A summary of the performance and other technical characteristics of the product.
File Type Document Title View
SRT-2x2-1x2_F_pdf View
SRT-2x4-1x4_F_pdf View
Technical Files
Installation documents, building information models, etc.
File Type Document Title View
SRT-Cleanroom-Installation-instructions_pdf View
File Type Document Title View
Acrylic-Polycarbonate-Compatibility_pdf View
Download brochures, sell sheets, photometry files and other sales tools.