Round 4 Wall Stairway ID

RD4W4 STW | Indirect-Direct | Aluminum | 4” | LED

Round 4 Wall Stairway I/D is specifically designed for stairway applications. Pre-installed in the luminaire in an embedded nLight® occupancy detection sensor that is pre-programmed to remain at either 10% or 50% illumination when the stairway is unoccupied and brighten to 100% illumination once occupancy is detected.

Round 4 Wall Stairway I/D can be specified with digital lumen management to deliver constant lumen output, extend LED longevity and save roughly 10% in energy use over Round's lifetime.

Round 4 features eldoLED® drivers with flicker free dimming to 1%. Light engine delivers 50,000 hours of illumination to L80.

  • 4ft and 8ft Sections
  • White or Aluminum Finish
  • 0-10v Dimming Driver to 1%
  • L80 at 50,000 hours
  • 2600, 3800 or 5000 Lumens
  • 3000K, 3500K or 4000K CCT
  • Lighting Facts Partner
  • 5-Year Warranty

Product overview and specifications
A+ Capable Yes
Application Type Education, Healthcare, Offices and Banks
Architectural Style Contemporary, Traditional
Brand Name Peerless
Color Black, Silver, White
Color Rendering Index 80
Correlated Color Temperature 3000 K, 3500 K, 4000 K
Environment Indoor
Finish Gloss
Lens Material Acrylic
Light Distribution Indirect (6-20% down)
Light Source LED
Listings CSA, CSA Damp Location
Lumen Maintenance L80
Lumen Output 300 LM, 400 LM, 600 LM, 800 LM
Product Type Linear
Quick Ship Yes
Series RD4W4
Shape Round
Spec Sheets
A summary of the performance and other technical characteristics of the product.
File Type Document Title View
RD4W4_STW_pdf View
RD4W4-QS-STW_pdf View
Technical Files
Installation documents, building information models, etc.
File Type Document Title View
RD4W1-RD4W4-PIN005106_pdf View
Download brochures, sell sheets, photometry files and other sales tools.
File Type Document Title View
Round_BRO_pdf View