Flat decorative round LED surface-mounted luminaire. Housing: plastic (polycarbonate). Diffuser: plastic (polycarbonate), opal. Base and diffuser are sealed together. MultiColour:  Colour temperature adjustable via switching element for 3000 K (factory setting), 4000 K and 5700 K. Quick mounting adapter steel sheet, white powder-coated, with bayonet fastening. Driver integrated.     

Series: HB 501
Reference Number: 221176.002.2
Colour: white
Diameter: 400 mm
Height: 63 mm
Weight: 1.96 kg
Lamp: LED
Socket: without socket
Colour temperature: 3000K, 4000K, 5700K
Colour rendering index (CRI): 80
Colour tolerance: 6 SDCM
Rated life: 40000 h (L70/B50)
System power: 25 W
Rated luminous flux: 2400 lm
Glare evaluation UGR (4H 8H): 22.4
Colour temperature: 4000 K
Luminous efficiency: 96 lm/W
System power 2: 25 W
Rated luminous flux 2: 2400 lm
Glare evaluation UGR (4H 8H) 2: 22.4
Colour temperature 2: 3000 K
Luminous efficiency 2: 96 lm/W
System power 3: 25 W
Rated luminous flux 3: 2400 lm
Glare evaluation UGR (4H 8H) 3: 22.4
Colour temperature 3: 5700 K
Luminous efficiency 3: 96 lm/W
Light outlet: mainly direct
Light sharing: symmetrical
Control gear: EB
Voltage: 220 - 240 V / 50 Hz
Protection class: I
Luminaires on B10A fuse: 48
Luminaires on B16A fuse: 77
Luminaires on C10A fuse: 48
Luminaires on C16A fuse: 77
Inrush current / Inrush current duration: 4.18 A / 88 µs
Type of protection: IP 40
Ambient temperature: -20 °C ... + 45 °C
Impact resistance: IK06
Filament test: 850°C - 30 seconds
Other Marks: WEEE mark
Energy efficiency class: A+