NASL-2821 Series

NASL-2821 2X2
NASL-2821 1X4


NASL-2821 is new architectural troffer series from Day-O-Lite.  Available 2×2, 1×4 and 2×4 sizes feature an open reflector, indirectly illuminated by LED’s to create a smooth, glare-free look.  The fixture depth of 5″ creates pockets of “space” that are particularly effective in low ceiling applications.  NASL-2821 installs in a variety of grid as well as plaster ceilings.  Programmable drivers offer custom lumen packages.


OPTICS   Indirectly illuminated matte white reflector assembly for smooth, even illumination.

LED  LED modules in 80/90 CRI @ 3 SDCM, minimum L70= 50,000 hours. Zhaga complaint, field replaceable.

DRIVER  Standard Class 2 AOC 0-10V to 1%, 120/277V input, PF > 90%, THD < 20 @ 120V. Additional dimming protocols available. All drivers prewired from factory. -20°C to +50°C operating range. FCC Title 47 Part 15 Class A electromagnetic compliance. <24dB Class A sound rating, field replaceable.

CERTIFICATION   Luminaires are cETLus listed conforming to UL STD. 1598 and certified to CSA STD C22.2 NO. 250.0. Suitable for dry & damp locations. Union Made in the United States of America. I.B.E.W. RoHS compliant.


  •  Specification
    .IES Files
  • NASL-2821 2X2ViewSpecification SheetsInstallation GuidesIE Files
  • NASL 2821 1X4ViewSpecification SheetsInstallation GuidesIE Files
  • NASL 2821 2X4ViewSpecification SheetsInstallation GuidesIE Files
  • LED Brochure
  • Tunable White

Made in USA

Day-O-Lite products have been designed and manufactured in our Warwick, Rhode Island facility for over 75 years. We are a founding member of the 'Made in USA' brand and our products are compliant with the Buy American Provision and the American Recovery and Reinvestment Act.

Custom Capabilities

Day-O-Lite offers a wide range of custom capabilities ranging from simple variants of standard products to complete custom design and fabrication. Our goal is to provide value-added customization services through advanced design, engineering and manufacturing technologies.

Customer Service

Day-O-Lite's focused mission is to deliver sustainable high-quality commercial lighting products, and outstanding, personalized customer service to our clients. Our team does so through a commitment to excellence, continuous improvement and technology at all levels of our organization.