Suitable for a wide range of applications, Tegan Slim Surface is a robust, edge lit luminaire with a choice of optics that consumes very little energy to deliver uniform and controlled light.  Maximum illuminance including in LG7 and EN12464-1 compliant schemes can be consistently and affordably achieved.


  • Choice of an Opal diffuser for general, circulation and feature areas or a Quadraprism* optic for glare control in LG7 compliant schemes
  • ‘Cool’ white 4000K colour temperature


Tegan Slim Quadraprism*

  • 3300 lumens (27W) 121 ll/cw
  • 4100 lumens (36W) 115 ll/cw

Tegan Slim Opal 

  • 2200 lumens (16W) 139 ll/cw
  • 3500 lumens (27W) 131 ll/cw
  • 5100 lumens (40W) 127 ll/cw

Tegan Slim Opal TP(a)

  • 2100 lumens (16W) 132 ll/cw
  • 3400 lumens (27W) 124 ll/cw
  • 4800 lumens (40W) 120 ll/cw

*Quadraprism optic less than 3000 cd/m2 at 65° and above

  • Emergency Output (BLF):
    • Quadraprism - 300  Lumens
    • Opal - 320 Lumens
    • TP(a) - 300 Lumens


  • Steel body finished white
  • Slim body profile
  • IP44 protection from front, IP20 from behind
  • RAL Colour: White RAL9003
  • Steel surface mounting frame (surface mount installation frame must be ordered with each luminaire)†
  • Frame allows for side cable entry
  • Easy to assemble on site
  • Choice of emergency options; standard 3hr self contained or COMEPS
  • Tegan Slim recessed and suspended also available
  • Optional integral Organic Response® wireless sensor that communicates with its neighbouring luminaires, automatically controlling light across the area ††

† Not suitable for use with integral Organic Response® luminaires.  Frames for integral Organic Response® luminaires available on request, please contact the Whitecroft Lighting Technical Desk for more information.

†† Every luminaire within an area that’s to be controlled must have an integral Organic Response® detector. Wall switch and dongle are also available (supplied separately).


Quadraprism Fixed Output 3hr Emergency LL/CW L70 B50
3300 lumens (27W)* TMELH24KXT TMELH24KXTEM 121 >100k 97k 44k
4100 lumens (36W)* TMELH34KXT TMELH34KXTEM 115 >100k 91k 45k


Opal Fixed Output 3hr Emergency LL/CW L70 B50
2200 lumens (16W)* TAELH14KXT TAELH14KXTEM 139 >100k 97k 44k
3500 lumens (27W)* TAELH24KXT TAELH24KXTEM 131 >100k 97k 44k
5100 lumens (40W)* TAELH34KXT TAELH34KXTEM 127 >100k 68K 33K

Opal TP(a)

Opal TP(a) Fixed Output 3hr Emergency LL/CW L70 B50
2100 lumens (16W)* TAELPH14KXT TAELPH14KXTEM 132 >100k 97k 44k
3400 lumens (27W)* TAELPH24KXT TAELPH24KXTEM 124 >100k 97k 44k
4800 lumens (40W)* TAELPH34KXT TAELPH34KXTEM 120 >100k 68K 33k


DALI DIMMING Replace H with Y i.e. TMELY24KXT
COMEPS Add suffix /EP i.e.TMELH24KXTEP

** Frames not suitable for use with integral Organic Response® luminaires. Frames for integral Organic Response® luminaires available on request, please contact the Whitecroft Lighting Technical Desk for more information.


Surface mount installation frame * TESSURFR
Organic Response® Wall Plate (Standard) ORGWP
Organic Response® Wall Plate (Classroom) ORGWPC
Organic Response® Dongle ORGDNGLE

* Please note, a surface mount installation frame (TESSURFR) must be ordered with each luminaire.

Dimensions Diagram 1
601 601 40 71 6.5 7.7

Photometic Performance

Photometic Performance Diagram - Opal 40W LED 5100 lumens
Opal 40W LED 5100 lumens
LOR = 100%
SHR MAX = 1.61
Photometic Performance Diagram - Quadraprism 36W LED 4100 lumens
Quadraprism 36W LED 4100 lumens
LOR = 100%
SHR MAX = 1.61

Performance Guide

Performance Guide Diagram 1
  • Lamps: 40W LED
  • Illuminance: 518 lux
  • Spacing: 3.0m x 3.0m

  • Maintenance: 0.8
  • Reflectance: 70/50/20
  • Ceiling Height: 2.8m
  • Working plane: 0.8m
Performance Guide Diagram 8
  • Lamps: 36W LED
  • Illuminance: 425 lux
  • Spacing: 3.0m x 3.0m

  • Maintenance: 0.8
  • Reflectance: 70/50/20
  • Ceiling Height: 2.8m
  • Working plane: 0.8m

LED Performance

Colour Temp RA (CRI) Life expectancy Colour consistency
4000K >80 L80(50,000hrs) MacAdam 3 SDCM

Surface mounted LED 600mm x 600mm panel luminaire with slim line steel body and an Opal diffuser for general, circulation and feature areas or a Quadraprism optic for LG7 compliant schemes. Suitable for surface mounting – as Whitecroft Lighting TEGAN SLIM SURFACE

Product Downloads

Select all
  • PDF Tegan Slim Surface Datasheet
  • ZIP Relux
  • ZIP Dialux
  • ZIP Revit
  • PDF Tegan Slim Installation Leaflet
  • PDF Surface Frame Installation Instruction

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.