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  • Base: 96634896 — CETUS3 L LCS HF RWH

Data Sheet

A low height, recessed LED downlight. Suitable for ceiling cut-outs Ø190-230 mm for easy refurbishments or fast initial installations. Remote, pluggable, Fixed output LED driver. Loop in - loop out possible. Body: die-cast aluminium for thermal management. Diffuser: polycarbonate, smooth reflector in white finish with wide beam. Reflector and trim: high quality, highly reflective polycarbonate. Class II electrical (this product is not earthed), IP44_IP20, Impact strength: IK03. Spring clips suitable for ceiling thicknesses from 1 to 35 mm.

Equipped with LCS technology, with two lumen outputs and three colour temperatures, selectable from below by a rotary switch.

Dimensions: Ø248 x 100 mm
Luminaire input power: 25.4 W
Luminaire luminous flux: 3473 lm
Luminaire efficacy: 137 lm/W
Weight: 0.7 kg

Mode selection
  • Lamp position:LCS High 840
  • Light Source:LED
  • Luminaire luminous flux*:3473 lm
  • Luminaire efficacy*:137 lm/W
  • Lamp efficacy:136 lm/W
  • Colour Rendering Index min.:80
  • Ballast:1 x 87500987 DRV TR LC 24W 650mA 37V F #fxC SRL ADV2Z
  • Correlated colour temperature:4000 Kelvin
  • Chromaticity tolerance (initial MacAdam):3
  • Rated median useful life*:L80 50000h at 25°C
  • Luminaire input power*:25.4 W Power factor = 0.94
  • Dimming:FIX
  • Maintenance category:C - Closed Top Reflector
  • LED
  • CE
  • NoIsol
  • GLedReP
  • 850°
  • Hfree
  • IK03
  • IP44_IP20
  • LLedReP
  • SC2
  • Ta = 0 to +25
  • UKCA


Photometric configuration


Use CalcExpress to quickly carry out quick online calculations of required indoor luminaire numbers for rectangular rooms. Enter the calculation parameters for your solution such as room dimensions, mounting height, height of the useful plane and required level of illuminance, and the site will instantly suggest a solution according to the light output ratio method.

Step 1: Technical data
Step 2: Room Data
Step 3: Result