Cetus3 / CETUS3 L 2000-840 HF E3 RWH

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 with 3 hour, manual test, emergency lighting circuit. 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), IP43_IP20. Spring clips suitable for ceiling thicknesses from 1 to 35 mm. Complete with 4000K LED

For installation in concrete ceilings please contact sales


Dimensions: Ø248 x 100 mm
Luminaire input power: 17.9 W
Luminaire luminous flux: 2208 lm
Luminaire efficacy: 123 lm/W
Weight: 0.93 kg

Mode selection

Mode selectionSTD - standardEM - emergency operation

• Lamp position:STD - standard
• Light Source:LED
• Luminaire luminous flux*:2208 lm
• Total emergency luminous flux:450 lm
• Luminaire efficacy*:123 lm/W
• Colour Rendering Index min.:80
• Ballast:1 x 89800687 EM powerLED BASIC FX SC LiFePO4 32 W
• Correlated colour temperature*:4000 Kelvin
• Chromaticity tolerance (initial MacAdam):3
• Rated median useful life*:L80 50000 h at 25 °C
• Luminaire input power*:17.9 W Power factor = 0.89
• Standby Power*:1.1 W
• Charging power:1 W
• Dimming:FIX
• Maintenance category CIE 97:C - Closed Top Reflector