Development site -



  • Lumens:

    • Nominal lumen Output: 2200-5800
    • Luminaire efficacy: 100-108

  • Housing/Reflector:

    • Precision die-formed 22-gauge C.R.S.

  • Finish:

    • Highly reflective non-glare matte white polyester powder coat bonded to phosphate-free, multi-stage pretreated metal. All parts painted after fabrication to facilitate installation, increase efficiency, and inhibit corrosion.

  • Electric:

    CCT & CRI

    • 3200K -4000K 
    • CRI 82

  • Mounting:

    NEMA Type “G” standard, NEMA Type “F” available.

  • Warranty:

    Limited 5-Year Warranty.

  • Options:

    • EM/10W 10-watt emergency LED battery
    • EQCLIPS Earthquake clips
    • SS Gasketed clear flat acrylic lens
    • NEMA F NEMA Type “F” flange kit
    • CP Chicago Plenum (CCEA)


  • Circadian Zirc™ LEDs deliver evidence-based energy efficient circadian lighting solutions. Our spectrally
    engineered NightSafe™ LEDs are the only UL Verified LEDs that emit less than 2% blue content at night
    and our DaySync™ LEDs deliver over 20% blue rich content during the day to synchronize and strengthen
    circadian rhythms.
  • Less than 1/5th of the blue content during evening and night of color tuning lights, even when they are tuned
    to 2700K.
  • Intelligent DynamicBlu™ Spectrum Control System utilizes a pre-programmed astronomical clock for the
    life of the fixture to optimize the light spectrum over 24-hour cycle, automatically
    adjusts for longitude and latitude.
  • Complementary Workforce Light Education Training to optimize the health, safety, and performance of
    your workforce.


  • Backlit curved lens provides uniform illumination for visual comfort.
  • Distinct straight floating center detail creates a highly aesthetic presence.
  • Sleek, extruded center complements CZMX4 continuous light series.
  • Maximize energy savings with efficacies as high as 113 lm/w.
  • Hinged door frame with optical assembly swings down to allow easy access from room side of fixture.
  • Optional gasketed acrylic lens helps protect against contaminants.

Download Spec Sheet

1x4 | 2x2 |2x4

Complimentary Training

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
  • This email address is being protected from spambots. You need JavaScript enabled to view it.
  • 1-781-439-6333
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