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RD4MS
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Round 4 Direct

RD4MS | Direct | Aluminum | 4” | LED

By Peerless

    Buy America(n) Option Available
  • Overview
  • Specifications

Round 4 Direct is specifiable with high and low lumen packages that make the luminaire well-suited for a variety of applications.

Round 4 Direct can be specified as nLight®-enabled to provide network controls connectivity, energy-saving digital lumen management or both. It is also available with an integrated sensor for daylight dimming and occupancy detection control. And Round 4 Direct can be configured with an “L” connector to provide seamless corner illumination.

Round 4 features eldoLED® drivers that dim to 1% with no flicker as part of a modular light engine that delivers 50,000 hours (12-15 years) of illumination to L80.


  • 4ft and 8ft Sections
  • White or Aluminum Finish
  • 0-10v Dimming Driver to 1%
  • L80 at 50,000 hours
  • 1550 or 3000 Lumens
  • 3000K, 3500K or 4000K CCT
  • Lighting Facts Partner
  • 5-Year Warranty
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Shape Round
Light Source LED - Static
Lumens 400 LM, 800 LM
CCT / LED Color 3000 K, 3500 K, 4000 K
CRI 80
Product Type Linear
Compliance Listing BAA, Chicago Plenum
Environmental Listing Damp Location
Regulatory Listing CSA
Dimming Protocol 0-10V, DALI
Mounting Type Suspended
Voltage Rating 120, 277
Series RD4MS

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  • Suggested Replacement Products

PRODUCT INFORMATION

  • Spec Sheets

    Document Type Document Title Description Updated View
    SPEC SHEET RD4MS LED RD4MS LED 11/21/2022 View

    Create Submittal Spec Sheet

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  • Spectral Data Sheets

  • Guideline Specifications

  • Revit Component Files (Non-Illuminated)

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

    Document Type Document Title Description Updated View
    Installation Instructions F1 Installation Instructions.pdf F1 T-bar Ceiling Pendant Mounting Kits 6/15/2020 View
    Installation Instructions F1A Installation Instructions.pdf F1A T-bar Ceiling Pendant Mounting Kits 6/15/2020 View
    Installation Instructions F2 Installation Instructions.pdf F2 Hard Ceiling Pendant Mounting Kits 6/15/2020 View
    Installation Instructions RD4MS_RD4MW_Installation_Instructions RD4MS, RD4MW Round 4 Direct, Wall Wash View
    Technical Bulletins NL_1008400_nLight Wired Architectural Ambient Tech Guide_0122_002.pdf nLight Wired Technical Guide 2/3/2022 View

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  • Confidential Documents

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    Brochures Product Brochure Product Brochure View

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    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

    •  Troubleshooting Information (Lighting Fixtures)

    •  Contact Us (Lighting Fixtures)

    •  Contact Us (Controls Services & Support)

    Warranty

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