Slot 4 LED PSW

Pendant, Surface, and Wall | Direct, Indirect, and Direct-Indirect Distributions | 3.5" Nominal Width

Beauty and Performance

The SLOT LED family combines modern aesthetic elegance with unequalled performance and energy efficiency, design flexibility, seamless controls integration, and the service and support of an industry leader. Three widths, recessed, pendant, surface, and wall. In short, everything you need to light your imagination.

Performance - best-in-class efficacy, delivered lumens and CRI.

Beautiful Dimming - Available constant current LED drivers from eldoLED deliver smooth, flicker free dimming to 0.1%.

nLight® Intelligent Controls - Intuitive and complete solution that eliminates compatibility issues and reduces deployment costs.

Mark 360° Total System Integration - Acuity Brands manufactures both the luminaire and the controls. This ensures unparalleled color consistency, beautiful dimming, maximum energy efficiency complete with integrated controls- all supported and warranted by Acuity Brands.

A+ Certified Systems – Pre-qualified configurations of Slot Family luminaires can be part of an A+ Certified lighting system - your assurance of compatible and consistent performance.

On The Mark – Our most popular products can be tailored to project needs and shipped in 10 days.


  • Efficacy up to 110 lumens per watt
  • Three light distribution choices: Direct, Indirect, and Direct-Indirect
  • Smooth, flicker-free dimming to 0.1%, optional
  • Downlight modules in pendant and surface styles, optional
  • nLight® enabled controls
  • Individual units, 2 – 8 ft. long
  • Color temperatures of 3000K, 3500K, 4000K
  • 80 CRI
  • Nominal 3.5" wide housing fabricated from heavy-gauge extruded aluminum
  • Wall wash and wall graze optics, optional


  • A+ Capable : Yes
  • Application Type : Education, Government, Hospitality, Offices and Banks, Religious, Retail
  • Architectural Style : Transitional
  • Brand Name : Mark Architectural Lighting
  • Color : Black, Silver, White
  • Environment : Indoor
  • Finish : Brushed, Matte
  • Light Source : LED
  • Listings : CSA
  • Mounting Type : Pendant, Surface, Suspended
  • Occupancy Sensor Mode of Operation : Auto On (Default) or Vacancy
  • Product Type : Linear
  • Series : S4LD, S4LI, S4LID, S4LS, S4LWD, S4LWI, S4LWID
  • Shape : Rectangular