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AI3 Architectural Indirect

4' – 33% Open Perforation Full
4' – Solid Underside
4' – 33% Open Perforation in 2 Strips, End View
4' – 33% Open Perforation Full, End View
4' – Solid Underside, End View
AI3: Up to 85% optical efficiency with a wide variety of shielding options including slots, louvers, and perforation, Williams AI3 provides uniform indirect illumination with plenty of options to enhance the visual appeal of the fixture.
Build American, Buy American compliant

Features

  • Die-formed, decorate end caps
  • Non-perforated housing or 33% open perforation beneath LEDs offers choice of appearance
  • Complementary to Williams’ AIW Series, the decorative and versatile AI3 provides functional indirect illumination
  • Translucent matte white acrylic over perforations provides uniform, luminous effect
  • 90° corners available
  • High-performance up to 125 lm/W
  • Driver and wireway assembly remove for easy maintenance
  • Self-aligning joining method ensures straight rows
  • 4' and 8' lengths available
  • Six standard finish options and a wide selection of custom colors complement the architectural elements of any space
  • Quickly lay out projects and simplify ordering with our Linear Product Builder
  • All parts painted after fabrication to facilitate installation, increase efficiency, and inhibit corrosion
  • Build America, Buy America and Buy American Act compliant
  • Wireless in-fixture control solutions available
  • Made Right Here® in the USA

Tools

Quantity Estimator

Estimate fixture quantities and light levels.

Product Builder

Configure fixtures and streamline the ordering process.

Use your zip code to find your local agent.

Specifications

Housing

20-gauge die-formed, welded C.R.S.

Reflective Surfaces

92% minimum average reflective white polyester powder coat on interior steel components.

Shielding

Die-formed C.R.S. white polyester powder coated diffuser. Frosted acrylic.

Finish

Textured matte white polyester TGIC powder coat bonded to phosphate-free, multi-stage pretreated metal. All parts painted after fabrication to facilitate installation, increase efficiency, and inhibit corrosion.

Electrical

High-quality mid-power LED boards. 50/60 Hz constant current driver.

Mounting

Suspended. 1/16″ diameter adjustable steel leveling aircraft cable and mounting hardware necessary for grid ceiling applications provided.

Listings

 • cCSAus certified as luminaire suitable for dry or damp locations.
• Build America, Buy America (BABA) and Buy American Act (BAA) compliant.
Request certification at hew.com/buy-american.

Warranty

 5-year limited warranty, see details

Downloads

Spec Sheets
IES Files
Revit Files
Instructions
Literature
Tech Info

Finishes

Black

Bronze

Nickel

Alum

Silver

White

200+ RAL Colors

Compatible Controls

Avi-on Wireless
Lutron Enabled

Inspiration