ADL-RO4 Series


ADL-RO4 is designed for suspended and wall mount applications and may be mounted individually, in perfectly aligned continuous rows, or in any combination of patterns.  ADL-RO4 series comes in direct, indirect, and direct/indirect distributions. The series’ simple 4″ diameter size and clean architectural lines make it an ideal luminaire for energy efficient applications where long duration operation is required.


OPTICS   LED optimized white ribbed acrylic (WRA) snap-in lenses.

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
  • ADL-RO4-DViewSpecification SheetsInstallation GuidesIE Files
  • ADL-RO4-DIViewSpecification SheetsInstallation GuidesIE Files
  • ADL-RO4-IViewSpecification SheetsInstallation GuidesIE Files
  • ADL-RO4-D-WMViewSpecification SheetsInstallation GuidesIE Files
  • ADL-RO4-DI-WMViewSpecification SheetsInstallation GuidesIE Files
  • ADL-I-RO4-WMViewSpecification SheetsInstallation GuidesIE Files
  • LED Brochure

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.