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ES8RT

High Performance Relighting for Lensed Troffers

By Lithonia Lighting

  • Overview
  • Specifications

The ES8RT relight assembly is the ideal solution for renovating obsolete deep-lensed troffer systems when a one-for-one upgrade is desired. ES8RT louvered lighting systems provide exceptional efficiency and energy savings while providing even, glare-free lighting, higher vertical footcandles and reduced ceiling contrast for greater visual comfort. The ES8RT relight assembly is ideal for retail, educational, commercial and other general lighting applications.

The ES8RT delivers more balanced light levels vertically and horizontally while eliminating the "cave effect" produced by traditional parabolic fixtures and the glare associated with lensed troffers.

ES8RT provides substantial energy savings of up to 45% compared to a three-lamp T8 electronic ballast system and up to 56% savings compared to a three lamp ES magnetic system.

Relighting details (web site).


Construction

The ES8RT assembly consists of six primary components plus hardware. Universal end brackets containing the pre-wired ballast and sockets are constructed of 20-gauge powder-painted steel and are secured to the host fixture with provided TEK screws. A splice box is provided to enclose electrical connections, and a ballast disconnect plug system is provided as standard.

Splice box replaces the typical wireway by providing a cover for the connections of incoming supply wire and is attached to the host fixture with two TEK screws.

The reflector system uses a highly reflective white finish for optimum efficiency and attaches securely to the end brackets with quarter-turn fasteners.

Robust design, precision tooling and automated assembly combine to produce the industry's strongest louver. Trim kit to cover side reveals (if necessary) is provided as standard.

Optics

Mechanical optical shielding is provided with angled length blades and linear faceted cross baffles. A highly efficient reflector system directs the light downward. Lamp cut-outs maximize the shielding while minimizing overall assembly depth to provide consistent performance in any host fixture application. Vertical light levels are improved, providing a balanced amount of light across all surfaces while minimizing contrast and glare at the ceiling plane.

Electrical

Standard ballast is high-efficiency, CEE (Consortium for Energy Efficiency) qualified, instant start, <10% THD, universal voltage and sound rated A. Suggested lamps are high-lumen, long-life super T8 lamps which contribute to optimizing system performance. Optional program start and step-dim bi-level ballasts are available as well as several ballast factor options to maximize energy savings and to allow the amount of light to be balanced to the application.

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Size 2x2
Shape Rectangular
Light Source Fluorescent
Product Type Retrofit Kit
Regulatory Listing UL
Fixture Wattage 41
Voltage Rating 347
Color White
Mounting Type Recessed
Series 2ES8RT
  • Suggested Replacement Products

PRODUCT INFORMATION

  • Spec Sheets

  • Photometry & Revit (BIM)

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  • Spectral Data Sheets

  • Guideline Specifications

  • BIM Models (Revit)

  • Technical Documents (e.g. Instruction Sheets, MSDS, CAD)

    Document Type Document Title Description Updated View
    Accessories EL Options Emergency battery options explained for RT5R and ES8R View
    Installation Instructions ES8R instructions ES8R Installation Instructions into Parabolic View
    Technical Bulletins Control Options Bilevel control and dimming function with RT5R and ES8R View
    Installation Instructions RT5R instructions (Discontinued) RT5R Installation Instructions View
    Installation Instructions RT8RT_RT5RT_Installation_Instructions (Discontinued) RT8RT RT5RT Installation Instructions View
    Installation Instructions 2RTLEDR_Installation_Instructions (Archived) 2RTLDR Installation Instructions into Lithonia Troffer View
  • Utility Rebate Search

  • Replacement Parts

  • Confidential Documents

  • Marketing Material (e.g. Brochures, Sell Sheets, FAQs, )

    Document Type Document Title Description Updated View
    Brochures rt brochure RT and Relight Solutions Brochure View
    FAQ Relight FAQs Relight FAQs View
  • Need Product Assistance? (e.g. How to Buy, Technical Support, Warranty)

    How to Buy

    Acuity Brands lighting and controls products are primarily sold through a network of agents and distributors across North America,
    as well as at more than 100 showroom or international locations and several online retailers.

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    Technical Support

    Acuity Brands is dedicated to providing outstanding technical support. Please click on the appropriate link below, or feel free to
    call us at 1.800.705.SERV (7378).

    •  FAQs

    •  Troubleshooting Information (Lighting Fixtures)

    •  Contact Us (Lighting Fixtures)

    •  Contact Us (Controls Services & Support)


    Warranty

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