Hemera Square

Product Overview

The Hemera Square range of LED downlighters incorporates LED technology and are designed to meet the highest of specifications.

The incorporation of various lumen outputs and interchangeable accessories make the downlighter ideal for most commercial and industrial applications.

The satin etched reflector produces a pleasing appearance and the use of optimised thermal management technology results in an expected lifespan of more than 50,000 hours (L80/B10).

The range incorporates four lumen outputs, two colour temperatures, tunable white and smart wireless control options, including Casambi and MyMesh.

Key Features

  • IP20 suitable for internal environments
  • Efficacy of up to 116lm/W
  • Nominal life-time of >50,000 h (L80/B10)
  • Colour stability with 3 step MacAdam
  • High colour rendering index CRI > 80
  • Emergency BLF = 291 lm


  • For DALI dimmable suffix /DIM
  • For Tunable White suffix /TW
  • For Casambi enabled suffix¬†/CAS
  • For wireless dimmable system suffix /WD
  • For 3 hr self-contained emergency suffix /EMR
  • For self-test emergency suffix /ST
  • For DALI addressable emergency suffix /EMP
  • For wireless addressable emergency suffix /WAE

i.e. HEM/S/1200/4/DIM/ST/SG2 =
Hemera 1889 lumens, 17W, 4000k, DALI dimmable c/w
self-test emergency and IP54 centre frost glass



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Datasheet PDF
Installation Guide Available Upon Request
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Dimensions JPEG
Eulumdat File LDT