Cetus3 / CETUS3 S 800-840 HF E3D RWH

A low height, recessed LED downlight. Suitable for ceiling cut-outs Ø95-125 mm for easy refurbishments or fast initial installations. Remote, pluggable, Fixed output LED driver with 3 hour, Self/DALI Addressable test, emergency lighting circuit. Body: die-cast aluminium for thermal management. Diffuser: polycarbonate, smooth reflector in finish with wide beam. Reflector and trim: high quality, highly reflective polycarbonate. Class II electrical (this product is not earthed), IP43_IP20. Spring clips suitable for ceiling thicknesses from 1 to 25 mm. Complete with 4000K LED

For installation in concrete ceilings please contact sales


Dimensions: Ø137 x 80 mm
Luminaire input power: 6.6 W
Luminaire luminous flux: 794 lm
Luminaire efficacy: 120 lm/W
Weight: 0.83 kg

Mode selection

Mode selectionSTD - standardEM - emergency operation

• Lamp position:STD - standard
• Light Source:LED
• Luminaire luminous flux*:794 lm
• Total emergency luminous flux:490 lm
• Luminaire efficacy*:120 lm/W
• Colour Rendering Index min.:80
• Ballast 1:1 x 28005149 LC 25/200-650/38 NF SR EXC3 Z
• Ballast 2:1 x 89800795 EM TR EM convLED PRO PT 203 NiMH 50V
• Correlated colour temperature*:4000 Kelvin
• Chromaticity tolerance (initial MacAdam):3
• Rated median useful life*:L80 50000 h at 25 °C
• Luminaire input power*:6.6 W Power factor = 0.5
• Charging power:2.4 W
• Dimming:FIX
• Maintenance category CIE 97:C - Closed Top Reflector