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


  • Light output options:
  • 300mm ø
    • 800 lumen, 8W
    • 1100 lumen, 11W
  • 400mm ø
    • 1700 lumen, 15W
    • 2300 lumen, 21W
    • 2700 lumen, 28W
  • Emergency Output (BLF):
    • 300mm - 280 Lumens
    • 400mm - 380 Lumens
  • White or blue LED feature halo ring options. (trim ring supplied)
  • Polycarbonate opal diffuser
  • ‘Cool’ white 4000K colour temperature


  • Surface mounted as standard
  • Recessing kit to be ordered separately
  • 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
  • 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

IP44 300mm Silver

IP44 300mm Silver Fixed Output 3hr Emergency LL/CW L70 B50
800 lumen (8W) K4H364KS K4H364KSEM 99 >100k >100k >100k
1100 lumen (11W) K4H3124KS K4H3124KSEM 97 >100k >100k 92k

IP44 400mm Silver

IP44 400mm Silver Fixed Output 3hr Emergency LL/CW L70 B50
1700 lumen (15W) K4H4154KS K4H4154KSEM 97 >100k >100k 95k
2300 lumen (21W) K4H4204KS K4H4204KSEM 101 >100k >100k 87k
2700 lumen (28W) K4H4274KS K4H4274KSEM 97 >100k >100k 75k


Recessing Kit 300mm Silver KLREC300S
Recessing Kit 400mm Silver KLREC400S
Trim Ring 300mm Silver KLTR300S
Trim Ring 400mm Silver KLTR400S


COMEPS Add suffix /EP i.e K4H4154KS/EP
COMMAND 5 ** 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

* 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 8W 800 Lumen
300mm ø 8W 800 Lumen
LOR = 100.0%
SHR MAX = 1.64
Photometic Performance Diagram - 400mm ø 15W 1700 Lumen
400mm ø 15W 1700 Lumen
LOR = 100.0%
SHR MAX = 1.64

Performance Guide

Performance Guide Diagram 1
  • Lamps: 21W 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 or recessed 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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At Whitecroft, we have developed the Whitecroft Lighting Academy, a structured learning programme that will allow us to develop our future leaders, and ensure all of our staff have access to the best professional development opportunities available in our industry.

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At Whitecroft, our BIM engineers are not only adept at using Autodesk Revit; they are also fully trained lighting designers. We believe this is essential. When you use our teams on your project, you can rest assured the whole lighting solution is being designed, assessed and managed by people who know the technology inside out and have a full understanding of your requirements.

- We can populate your BIM model with a full lighting design.

- All our BIM families are created in-house, so if bespoke models are required, we can deliver them.

- We use Relux to create design validation data that confirms your project’s compliance and supports your BIM model.

- Once the model is complete, we work with you to interrogate every element including quantity schedules, costs, energy validation, COBie data and delivery schedules.

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Whitecroft have become successful in the lighting market, with focus on various sector specialisms. We now have extended our skills by offering a fully managed service which supplies much more than just the luminaires.

Project Management skills have been developed to save time on a project by planning it out and considering all relevant factors which may affect its outcome.

From design to specification, through to product selection, commissioning and after-sales support, we can help our customers meet the cost challenges of the commercial environment.

Our Project Management services encourage a smooth transition throughout your lighting procurement, manufacture, delivery and installation, by providing advice on the best techniques to employ.


Whitecroft Lighting continuously strives to offer customers the best service in the industry. This covers all aspects of our service from lighting design and quotations, to ensuring on-time deliveries and providing dedicated project management.

Whitecroft Lighting operates in a sustainable way by creating lighting solutions best adapted to customer requirements, with the least possible impact on the environment including consumption of natural resources. Whitecroft Lighting contributes to and takes responsibility for the furtherment of sustainability, which it also requires of all suppliers in it’s chain.

Through our environmental management system we are continually reducing our use of natural resources, whilst optimising recycled materials, avoiding waste generation and increasing recycling. As a responsible manufacturer we carry our company values and policies into our supply chain so that our customers can have confidence in the fact that all our lighting solutions are manufactured using only environmentally safe materials and processes.