Lithonia Lighting
Design Select (15 days or less)
Lithonia Lighting

STACK

Next-generation of Lay-ins
    DLC PremiumCA Title 20Low UGR
  • Specifications
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Size 1x4, 2x2, 2x4
Shape Rectangular, Square
Light Source LED - Static
Lumens 2000 LM, 3000 LM, 4000 LM, 5000 LM, 6000 LM, 7200 LM
CCT / LED Color 3000 K, 3500 K, 4000 K, 5000 K
CRI 80, 90
Product Type Troffer
Environmental Listing Damp Location
Regulatory Listing CSA
Control Platform nLight AIR G2, nLight Wired, Sensor Switch Standalone, Wireless SensorSwitch AIR
Dimming Protocol 0-10V, Digital
Fixture Wattage 17, 17.6, 20, 20.1, 20.5, 20.6, 21.1, 23.1, 23.6, 24.7, 25.3, 27.7, 28.2, 28.3, 28.7, 28.8, 31.7, 32.2, 33.7, 34.5, 36.7, 37.2, 37.5, 37.9, 38, 40.9, 41.4, 43.7, 44, 46.7, 47, 47.2, 47.4, 47.5, 50, 51, 52, 55, 56, 59, 60, 61, 62, 64, 65, 68, 69
Voltage Rating 120, 120-277, 277, 347
Color White
Mounting Type Recessed
Series STAK

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  • Suggested Replacement Products

PRODUCT INFORMATION

  • Spec Sheets

    Document Type Document Title Description Updated View
    Spec Sheet STACK.pdf Stack – Highly configurable Troffer with expanded options 5/15/2025 View
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  • Spectral Data Sheets

    >> CLICK HERE to Download Spectral Data FAQs

    Document Type Document Title Description Updated View
    Spectral Data Sheet SpectralDataaSheet_LL_STAK_35K_80CRI.pdf SpectralDataSheet_LL_STAK_35K_80CRI 9/6/2022 View
    Spectral Data Sheet SpectralDataSheet_LL_STAK_35K_90CRI.pdf SpectralDataSheet_LL_STAK_35K_90CRI 5/21/2025 View

  • Revit (BIM Model)

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

    Document Type Document Title Description Updated View
    Installation Instructions Installation Instructions.pdf Installation Instructions 3/7/2024 View
    Installation Instructions Instruction Sheet STAK and STAKP (Configurable) Rev C.pdf Installation Instructions for STAK and STAKP (Configurable) 12/19/2023 View
    Material Safety Data Sheet ILD10-07 MVOLT LQD 10-55 MSDS.pdf MSDS: ILD 10W-7W MVOLT LQD 10-55 7/28/2025 View

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  • Replacement Parts

    Document Type Document Title Description Updated View
    Replacement Part Spec Sheet STAK Replacement Parts 06.08.2025.pdf STAK Replacement Part Kits 6/8/2025 View

  • Confidential Documents

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

    Document Type Document Title Description Updated View
    Brochures STACK Family Brochure.pdf STACK Family Brochure Overview 7/12/2021 View
    FAQ STACK_FAQs.pdf FAQs about the STACK Family 10/20/2021 View
    Product Presentation STACK Product Presentation_customer presentation.pdf STACK Family Product Presentation - customer version 3/17/2022 View
    Sell Sheet STACK Comparison Chart.pdf Comparison chart of all STACK fixtures 1/19/2022 View
    Sell Sheet STACK Sell Sheet_0222.pdf Sell Sheet for STACK 3/4/2022 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.

    •  Find a Showroom or Agent

    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

    •  Contact Us (Lighting Fixtures)

    •  Contact Us (Controls Services & Support)

    Warranty

    Please click on the appropriate link below to learn more about Acuity Brands terms & conditions and product warranty options.

    •  Review Terms & Conditions or Product Warranties

    •  Register a Recently Purchased Product

    •  File a Warranty Claim


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