LEDVANCE Downlight Slim Round 155 12 W 4000 K wit

Recessed ceiling lights often look bulky, cast uneven light, or fail after a short time. The LEDVANCE Downlight Slim Round 155 solves these issues with a sleek, ultra-slim profile and uniform, glare-free illumination. Its 12 W LED module delivers 960 lumens of cool white light (4000 K), ideal for workspaces, kitchens, corridors, and retail areas where clarity and focus matter.

Who is it for

Electricians, facility managers, and homeowners who need a reliable, energy-efficient downlight for new installations or retrofits. It fits standard 140 mm cut-outs and suits both residential and commercial settings.

Main features

• Ultra-slim design: only 30 mm installation depth, perfect for shallow ceilings.
• High luminous flux: 960 lm from just 12 W, replacing traditional 75 W incandescent downlights.
• Cool white light (4000 K) with CRI >80 for natural colour rendering.
• Wide 100° beam angle for even light distribution.
• Long lifespan: 30,000 hours (L70/B50), reducing maintenance costs.
• Robust aluminium and polycarbonate housing, IP20 rated for indoor use.
• Protection class II – no earth connection required.
• Non-dimmable, simple on/off operation.

Specifications

• Power consumption: 12 W
• Luminous flux: 960 lm
• Colour temperature: 4000 K (cool white)
• Colour rendering index: >80
• Beam angle: 100°
• Lifetime: 30,000 h (L70/B50 at 25 °C)
• Input voltage: 220–240 V AC, 50/60 Hz
• Operating temperature: -20 °C to +40 °C
• Switching cycles: 15,000
• Energy efficiency class: F (new scale)
• Housing material: aluminium / polycarbonate

Tips

For optimal light distribution, ensure the cut-out is exactly 140 mm and the ceiling void is at least 30 mm deep. Clean the diffuser regularly with a soft, dry cloth to maintain brightness.