Hemera Square

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.

Hemera Square

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 Monitor self-test emergency suffix /MON
  • For DALI addressable emergency suffix /EMP
  • For wireless addressable emergency suffix /WAE

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



Document Title Format Download Single Add to zip
Datasheet PDF
Installation Guide Available Upon Request
High Resolution Image JPEG
Dimensions JPEG
Eulumdat File LDT
Part code Output (lm) Power (W) Efficacy (lm/W) Colour temp (K) Height (mm)
HEM/S/1200/3 1009 11 92 3000 132
HEM/S/1200/4 1090 10 112 4000 132
HEM/S/2075/3 1743 19 92 3000 132
HEM/S/2075/4 1889 18 105 4000 132
HEM/S/3025/3 2675 26 103 3000 132
HEM/S/3025/4 2902 26 112 4000 132

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