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  • Lumens:

    Nominal lumens 4000 - 5700

    Luminaire efficacy up to 92 lm/W

  • Housing/Reflector:

    • Precision die-formed 22 gauge C.R.S.
    • Shallow housing depth for plenum space
    • Slim 2-3/8th depth
    • Room-side Access

  • Finish:

    Matte white paint and frosted lens provide pleasing architectural aesthetics with non-glare reflective surfaces.

    All parts painted after fabrication to facilitate installation, increase efficiency and inhibit corrosion.

  • Electric:

    • 3200K – 4200K CCT
    • CRI 80
    • Nominal wattage 33 - 90
    • Max wattage up to 108

  • Mounting:

    Mounted in NEMA Type G enclosure with surface mount accessory.


  • Warranty:

    Limited 5-Year Warranty.

  • Options:

    Comes with multiple diffuser options for color adjustment and maximum circadian effectiveness.

  • Enhanced Visual:

    • Uniform ambient illumination
    • Ribbed lens for enhanced visual comfort


  • Product optimized using human subject testing in 24/7 simulation of 12 hour day and night shifts in our a medical research facility.
  • Provides bright white light 24/7 with the precise wavelength spectrum day and night to optimize health and performance.
  • Intelligent control boards pre-programmed for the life of the fixture providing the correct blue light regulation for the location (latitude and longitude), season and leap years for optimized circadian effectiveness.
  • Reduces the harmful blue-rich light at night emitted by conventional LEDs that has been shown to increase risk of obesity, diabetes, cancer and depression.
  • Light spectrum optimized to increase energy, productivity, mood, reduce fatigue and errors.
  • Lumens output maintained over each 24 hours and meeting specific industry work space illumination standards.
  • Continuous bright white light with an imperceptible Day to Night Mode transition.
  • Offers a more effective solution that maximizes health, productivity, and safety, as opposed to traditional color tuning solutions that rely on yellowing and dimming the light.

Download Spec Sheet

Download 5-Year Limited Warranty

Download Terms and Conditions of Sale

Download CSPT LED Installation Instructions

Download PTS LED Installation Instructions

  • CIRCADIAN ZircLight Workforce Training Program

    Our program for shiftworkers and others who have to work 24/7 schedules or extended hours is world-renowned for providing critical information on managing light day and night to improve health and well-being in the form of practical, ready-to-use advice and real world examples. This on-site training program will provide you and your employees with information on:

    • The impact of blue light on sleep and health
    • Managing light at home and work to get better sleep
    • Tips to reduce fatigue and increase alertness
    • Improving health and wellness
    • Nutrition
    • How to enhance your Family/Social life
    • And more...
Circadian Light Logo
  • 2 Main Street, Suite 340
    Stoneham, MA, 02180, USA
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  • 1-781-439-6333
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