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RT5 Volumetric Recessed Lighting

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Intended Use

The RT5™ Series is designed for applications where comfort, aesthetics and energy savings are important. With volumetric lighting, this product is ideal for offices, schools, hospitals, retail and numerous other commercial applications.


Two-lamp RT5™ luminaire provides 33% energy savings when compared to a common three-lamp T8 system.

Low profile 3-1/8” depth makes the RT5™ fixture ideal for applications where plenum height is a factor.

Two-piece refractor system uses the combination of diffusing optical film and precisely extruded prisms to efficiently diffuse light.

Reflector includes micro-facets that echo the frequency of the prisms in the refractor, providing a quiet appearance in the ceiling.

Available in a number of ballast configurations including set light output or step level dimming.

Versions available: Recessed and surface mount versions of 2'x4', 2'x 2', 1'x4' plus heat removal (CAS) recessed, and 6" Narrow RT5.

Sloped endplates provide a balanced fixture-to-ceiling ratio while enhancing the perception of fixture height. Ballast/lamp ballast efficacy of F28T5 is 100+ LPW.

Side-mounted ballast tray accessed by removing adjacent ceiling tile.


Step-dimming options (available on some units) allow the system to be switched to 50% power for compliance with common energy codes while illuminating both lamps.


UL Listed (standard). CSA Certified (see Options).

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