Product Overview

The Stalk R (Recessed Lens) is a Ø180mmm large area downlight. The downlight only requires 50mm of ceiling void making it ideal for installations where space is tight. The Stalk R can achieve a lumen package of upto 1840lm with a longevity of at least 50,000 hours.

The heatsink is made from die-cast aluminium which houses the LED module. The bezel of the downlight is machined from aluminium ensuring a constant high quality finish with no surface blemishes. The product is then retained in the ceiling by two sprung arms to allow for quick and easy installation.

The Stalk R is available in 1290 & 1840 lumen outputs.

More than 50,000 hours life span

Colour consistency with <3 SDCM

Assured build quality with
die-cast based construction

5 Year Warranty


Type Options Code
Lumen Output 1290lm
Colour Temperature 3000K
Beam Angle 90° Beam /90


Type Options Code
Dimming DALI Dimming -DA
Emergency 3 Hour Facility
3 Hour Self Test
3 Hour Central Test

Performance & Reliability

Supplied with high performance CREE LED engine and premium Tridonic driver to ensure an outstanding performance with longevity

90° Beam Angle


Lumen Output Wattage ll/cW
1291 lm 15.3 W 84.4 ll/cW
1844 lm 22.0 W 83.8 ll/cW
Rated Supply Voltage 220 – 240 V
AC Voltage Range 198 – 264 V
Mains Frequency 50/60 Hz
Output LF current ripple @ 120Hz (Flicker) <5%
Overvoltage Protection 320 V
In-rush Current 14 A
THD <10%
Dimming Range 15 – 100%
Operating Temperature -25… +60 °C
Colour Rendering Ra>82
IP Rating IP54
Cutout Ø160mm
Dimensions Ø180 x 41mm
Weight 1.9kg
Warranty 5 Years
Certification CE, ROHS


Standard Lumen Output BLF Emergency Lumen Output
1291 lm 17% 219 lm
1844 lm 13% 240 lm
Emergency Duration 3 Hours
Recharge Period 24 Hours
Battery Type LiFePO4 (Lithium Iron Phosphate)
Battery Pack 3 x 3.2V 1.5Ah
Parasitic Load 1.2W
Operating Tempertaure 0 – 60°C
Power Efficiency 95%
Certification CE, ROHS