Lithonia Lighting
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Lithonia Lighting

LDN4 Round Series

LDN4 Round – 4” Open and Wallwash
    Switchable LumensSwitchable CCTsBuy America(n) Option AvailableBuy America(n) Option AvailableLow UGR
  • Overview
  • Specifications
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Size 4 IN
Shape Round
Light Source LED - Static
Dynamic Feature Switchable White
Lumens 500 LM, 750 LM, 1000 LM, 1500 LM, 2000 LM, 2500 LM, 3000 LM, 4000 LM, Switchable
CCT / LED Color 2700 K, 3000 K, 3500 K, 4000 K, 5000 K, Variable
CRI 80, 90
Product Type Downlight
Environmental Listing Wet Location
Regulatory Listing cUL
Control Platform nLight AIR G2, nLight Wired, Wireless SensorSwitch AIR
Dimming Protocol 0-10V, DALI, Electronic Low Voltage, Triac
Fixture Wattage 10, 10.6, 11, 11.2, 11.3, 11.6, 12.8, 13.4, 13.5, 13.6, 14.2, 14.3, 14.5, 14.8, 14.9, 15.5, 15.8, 16.4, 17.5, 18, 18.8, 19, 20.2, 20.3, 20.5, 21, 21.8, 22.1, 24.1, 25, 25.1, 25.5, 25.6, 26.1, 27, 27.1, 28.6, 28.7, 29.1, 29.5, 31, 31.7, 32, 32.1, 33.1, 33.2, 34.7, 35.1, 35.4, 37.5, 37.6, 38.8, 39, 39.1, 40, 40.5, 40.6, 41.5, 43, 44, 46, 46.5, 47.5, 49, 5.74, 50, 51, 52, 53, 54, 55, 6.8, 8, 8.2, 8.3, 8.53, 8.6, 8.74, 9, 9.75, 9.8
Voltage Rating 120, 120-277, 277, 347
Trim Style Cone, Open, Single Wallwash
Color Black, Clear, White
Mounting Type Recessed
Series LDN4

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  • Suggested Replacement Products

PRODUCT INFORMATION

  • Spec Sheets

    Document Type Document Title Description Updated View
    Spec Sheet LDN4 SWW.pdf 4” Round Open and Wallwash Switchable LED Downlight 4/17/2025 View
    Spec Sheet LDN4.pdf 4" OPEN New Construction Downlight 4/17/2025 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 Spectral Data Sheet LithoniaDownlighting_LDN4_40K_80CRI.pdf LDN4 40K 80CRI 8/10/2022 View
    Spectral Data Sheet Spectral Data Sheet_LithoniaDownlighting_LDN4_35K_90CRI.pdf LDN4 35K 90CRI 8/10/2022 View
    Spectral Data Sheet Spectral Data Sheet_LithoniaDownlighting_LDN4_40K_90CRI.pdf LDN4 40K 90CRI 8/10/2022 View
    Spectral Data Sheet SpectralDataSheet_LithoniaLighting_LDN4_30K_80CRI.pdf LDN4 35K 80CRI 6/1/2022 View

  • Guideline Specifications

  • Revit Component Files (Non-Illuminated)

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

    Document Type Document Title Description Updated View
    Dimming Compatibility LBR-LDN-LDN Switchable Dimming Compatibility Dimming Compatibility Cheat Sheet 8/20/2020 View
    Installation Instructions 912-00205-001_LDN4-6 SWW Installation Instructions.pdf LDN4, LDN4SQ, LDN6 and LDN6SQ Round and Square Switchable New Construction LED Downlight 11/3/2020 View
    Installation Instructions 912-00219-001_LDN SWW CP Installation Instructions.pdf LDN4, LDN6 and LDN8 Round Switchable LED Downlight Supplemental for Chicago Plenum "CP" 12/10/2020 View
    Installation Instructions LDN 4 and 6 Installation Instructions.pdf LDN4, LDN4SQ, LDN6 and LDN6SQ Round and Square New Construction LED Downlight 1/5/2022 View
    Installation Instructions Sloped Ceiling Adapter CJ520663.pdf LDN4, LDN6 and LDN8 Round Sloped Ceiling Adapter "SCA" 10/20/2021 View

  • Utility Rebate Search

  • Replacement Parts

    Document Type Document Title Description Updated View
    Replacement Part Spec Sheet LDN4(SQ) Driver Repair Kit.pdf LDN4(SQ) Driver Repair Kit 9/6/2024 View
    Replacement Part Spec Sheet LDN4(SQ) Module Repair Kit.pdf LDN4(SQ) Module Repair Kit 9/6/2024 View
    Replacement Part Spec Sheet LDN4(SQ) Replacement Trim.pdf LDN4(SQ) Replacement Trim 9/6/2024 View

  • Confidential Documents

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

    Document Type Document Title Description Updated View
    Brochures Commercial Downlighting Product Brochure LBR and LDN Commercial Downlighting Product Portfolio Brochure 1/30/2025 View
    Brochures Commercial Downlighting School Application Guide LBR and LDN in Williams High School Application Guide 10/10/2023 View
    Brochures LDN Family Brochure LDN Downlights, Switchable, Retrofits, & Cylinders 1/30/2025 View
    Sell Sheet Commercial Downlight Comparison Chart LBR and LDN Product Families Comparison Chart 1/30/2025 View
    Sell Sheet LDN Ceiling Height Flyer.pdf LDN Ceiling Height Flyer 8/3/2017 View
    Sell Sheet LDN Switchable Sell Sheet LDN SWW1 (Sell Sheet) 1/30/2025 View

  • Archived Documents

  • 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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Product Family

Lithonia Lighting

LDN Commercial Downlighting Family...

Lithonia Lighting® LDN Commercial Downlighting Family has a diverse offering for new construction downlights, retrofits, & cylin...

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LDN4 Round – 4” Open and Wallwash

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LDN4 Square – 4” Open and Wallwash

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