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Kolo brings style and efficiency to any application. With a host of optional attachments to add visual interest, Kolo is the optimum lighting solution.


  • Nominal light output options:
  • 300mm ø
    • 800 lumen, 6W
    • 1100 lumen, 9W
  • 400mm ø
    • 1700 lumen, 14W
    • 2300 lumen, 19W
    • 2700 lumen, 21W
    • 3500 lumen, 28W
  • Emergency Output (BLF):
    • 300mm - 360 Lumens
    • 400mm - 500 Lumens
  • White or blue LED feature halo ring options. (trim ring supplied)
  • Polycarbonate opal diffuser, Tp(a) rated
  • Available with 3000K and 4000K LED


  • Surface mounted
  • 300mm or 400mm diameter in cast aluminium with injection moulded base
  • Finished in silver or white
  • RAL Colour: Silver no RAL. White RAL9003.
  • IP44
  • Choice of integrated emergency options:
    • 3 hour emergency
    • EasyTest
    • COMEPS
  • Also available with 'EW' Routefinder Wireless for addressable emergency testing without the need for a 2 core communication cable
  • Emergency variants supplied with a NiCd battery
  • Optional Command 5 microwave detector mounted behind the diffuser available that can be set to one of two configurations;
    • Microwave presence detection with ON/OFF operation
    • Microwave presence detection with High/Low/Off set-back functionality. Can be set to switch from 100% down to setback position of 50%, 30%, 20%, 10% or OFF
  • Optional trim ring available for an alternative aesthetic finish (supplied separately)
  • Product also available in suspended and IP65, see Kolo suspended and Kolo IP65
  • Can be used with MSU Kit for Mental Health - Medium Secure Unit & Anti-Ligature applications

IP44 300mm Silver (4000K)

IP44 300mm Silver Fixed Output 3hr Emergency LL/CW L70 B50
806 lumen (6.3W) K4H364KS K4H364KSEM 128 >100k >100k >100k
1136 lumen (8.8W) K4H3124KS K4H3124KSEM 129 >100k >100k >100k

IP44 400mm Silver (4000K)

IP44 400mm Silver Fixed Output 3hr Emergency LL/CW L70 B50
1755 lumens (13.7W) K4H4154KS K4H4154KSEM 128 >100k >100k 100K
2359 lumens (18.5W) K4H4204KS K4H4204KSEM 128 >100k >100k 95k
2790 lumens (21.3W) K4H4274KS K4H4274KSEM 131 >100k >100k 87k
3549 lumens (27.7W) K4H4354KS K4H4354KSEM 128 >100k >100k 75k


Trim Ring 300mm Silver KLTR300S
Trim Ring 400mm Silver KLTR400S


COMEPS Add suffix /EP i.e K4H4154KS/EP
COMMAND 5 WITH SET BACK** Replace H with Q5 i.e K4Q54154KS
DALI DIMMING Replace H with Y i.e K4Y4154KS
LED HALO RING BLUE* Add HB after K4 i.e K4HBH4154KS
LED HALO RING WHITE* Add HA after K4 i.e K4HAH4154KS
WHITE FINISH Replace S with W i.e K4H4154KW
3000K LED Replace '4K' with '3K' i.e K4H4153KS

* Only available with 400mm product. Trim rings supplied as standard with halo variants
** Command 5 not available in 300mm emergency or DALI or recessed products

Dimensions Diagram 1
300mm recessed 95 2 2.5 320 310
400mm recessed 95 3.4 3.8 420 410
300mm surface 95 2 2.5 300
400mm surface 95 3.4 3.8 400

Photometic Performance

Photometic Performance Diagram - 300mm ø 6.3W 806 Lumens
300mm ø 6.3W 806 Lumens
LOR = 100.0%
SHR MAX = 1.64
Photometic Performance Diagram - 400mm ø 13.7W 1755 Lumens
400mm ø 13.7W 1755 Lumens
LOR = 100.0%
SHR MAX = 1.64

Performance Guide

Performance Guide Diagram 1
  • Lamps: 19W LED
  • Illuminance: 200 lux
  • Spacing: 3.0m x 3.0m

  • Maintenance: 0.8
  • Reflectance: 70/50/20
  • Ceiling Height: 2.7m
  • Working plane: 0.8m
Performance Guide Diagram 8
  • Lamps: 28W LED
  • Illuminance: 246 lux
  • Spacing: 3.0m x 3.0m

  • Maintenance: 0.8
  • Reflectance: 70/50/20
  • Ceiling Height: 2.7m
  • Working plane: 0.8m

LED Performance

Colour Temp RA (CRI) Colour consistency
4000K >80 MacAdam 3 SDCM

Surface mounted circular IP44 LED bulkhead luminaire in 300 or 400mm diameter. Polycarbonate opal diffuser. Optional integrated microwave presence detector with ON/OFF - as Whitecroft Lighting KOLO SURFACE

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