Lister

Lister

Lister

Lister

Overview

Combining robust construction with optical performance, Lister is easy to clean, maintains room integrity to a high IP rating and incorporates the use of edge-lit optics with Nhex-prism diffusing technology for all round visual comfort. 

Optics

  • 600mm x 600mm* 
    • 3300 lumens (28W)
    • 4100 lumens (35W)
  • 300mm x 1200mm* 
    • 3300 lumens (26W)
    • 4100 lumens (32W)
  • 600mm x 1200mm* 
    • 6000 lumens (49W, 51W for opal)
    • 9000 lumens (76W, 77W for opal)
  • TP(a) optics to limit spread of flame in the event of fire
  • Choice of optics:
    • Nhex-prism optical control for glare compliant schemes to EN12464-1
    • Opal polycarbonate diffuser for non VDT, general and circulation areas
  • Available with 3000K and 4000K LED

* Notional dimensions

Body

  • Extruded aluminium front frame with concealed fixings
  • LDPE non degradable single piece gasket to protect room from void contamination
  • IP65 to the front, IP20 to the rear
  • Compatible with modular exposed T25, spring T and prepared aperture ceilings
  • Recessing panels are recommended on spring T ceilings to retain room integrity
  • Optional Lumafix brackets available as an accessory for cut aperture and alternative ceiling types

 

full width image

600 x 600

Nhex-prism (4000K) Fixed Output 3hr Emergency LL/CW L70 B50
L80
L90
3300 lumens (28W) L3LKH14K L3LKH14KEM 117 >100k 70k 32k
4100 lumens (35W) L3LKH24K L3LKH24KEM 116 >100k 70k 32k

300 x 1200

Nhex-prism (4000K) Fixed Output 3hr Emergency LL/CW L70 B50
L80
L90
3300 lumens (26W) L3LKH34K L3LKH34KEM 127 >100k 70k 32k
4100 lumens (32W) L3LKH44K L3LKH44KEM 127 >100k 70k 32k

600 x 1200

Nhex-prism (4000K) Fixed Output 3hr Emergency LL/CW L70 B50
L80
L90
6000 lumens (49W) L3LKH54K L3LKH54KEM 122 >100k 70k 32k
9000 lumens (76W) L3LKH64K L3LKH64KEM 118 >100k 70k 32k

Options

DALI Replace H with Y i.e L3LKY14K
COMEPS Add suffix EP i.e L3LKH14KEP
Opal Diffuser Replace L3LK with L3LF i.e L3LFH14K

For 3000K colour temperature, please contact Whitecroft.

Accessories

Lister Recessing Panel for Spring T 600mm x 600mm DRP600X600
Lister Recessing Panel for Spring T 300mm x 1200mm DRP300X1200
Lister Recessing Panel for Spring T 600mm x 1200mm DRP600X1200
Lumafix Bracket Kit LUMAFIXBKTKIT
Dimensions Diagram 1
Size L W H KG KG(EM) Cut Aperture
600 x 600 598 598 109 9 9.5 563 x 563 +/-3
Dimensions Diagram 2
Size L W H KG KG(EM) Cut Aperture
600 x 1200 1198 598 108 12 13.5 563 x 1163 +/-3
Dimensions Diagram 3
Size L W H KG KG(EM) Cut Aperture
300 x 1200 1197.7 297.7 108.3 6 6.5 263 x 1163 +/-3

Photometic Performance

Photometic Performance Diagram - Lister 600mm x 600mm
Lister 600mm x 600mm
LOR = 100%
SHR MAX = 1.52
Photometic Performance Diagram - Lister 600mm x 1200mm
Lister 600mm x 1200mm
LOR = 100%
SHR MAX = 1.56

Performance Guide

Performance Guide Diagram 1
  • Lumens: 4145 lumens
  • Layout: 3.0x2.4m
  • Average: 516 lux

  • Uniformity: 0.89
  • Ceiling Height: 2.70m
  • Working Plane: 0.75m
  • Maintenance Factor: 0.8
  • Reflectance: 70/50/20

LED Performance

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

Recessed LED clean room luminaire to a BSI tested and certified construction as IP65 to the front, IP20 to the rear.  Extruded aluminium frame with concealed front fixings and a choice of TP(a) rated optics - wipe clean Nhex-prism diffuser for all round glare control or an opal diffuser for general use areas - as Whitecroft Lighting LISTER. 

 

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