Lister

IP65/20 recessed luminaire with sealed frame construction

120+ LL/CW Flying Lead IP20/IP65 Made in Britain
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)
  • Emergency Outputs (BLF)
    • Nhex-prism 600x600mm* - 452 lumens
    • Nhex-prism 300x1200mm* - 624 lumens
    • Nhex-prism 600x1200mm* - 579 lumens
    • Opal 600x600mm* - 459 lumens
    • Opal 300x1200mm* - 624 lumens
    • Opal 600x1200mm* - 574 lumens
  • 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
  • Emergency variants supplied with Lithium Iron Phosphate (LiFePO4) battery technology; featuring extended design life reducing replacement frequency to lower total cost of ownership, and advancing sustainability through support for end of life recycling

 

Family Datasheet
Product Downloads
full width image
  • 600 x 600

    Nhex-prism (4000K) Fixed Output 3hr Emergency LL/CW L70 B50
    L80
    L90
    3300 lumens (28W) L3LKH14K L3LKH14KLEM 117 >100k 70k 52k
    4100 lumens (35W) L3LKH24K L3LKH24KLEM 116 >100k 70k 52k

    300 x 1200

    Nhex-prism (4000K) Fixed Output 3hr Emergency LL/CW L70 B50
    L80
    L90
    3300 lumens (26W) L3LKH34K L3LKH34KLEM 127 >100k 70k 52k
    4100 lumens (32W) L3LKH44K L3LKH44KLEM 127 >100k 70k 52k

    600 x 1200

    Nhex-prism (4000K) Fixed Output 3hr Emergency LL/CW L70 B50
    L80
    L90
    6000 lumens (49W) L3LKH54K L3LKH54KLEM 122 >100k 70k 52k
    9000 lumens (76W) L3LKH64K L3LKH64KLEM 118 >100k 70k 52k

    Options

    DALI Replace H with Y i.e L3LKY14K
    COMEPS Add suffix LEP i.e L3LKH14KLEP
    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 600 598 598 112 9 9.5 563 x 563 +/-3
    Dimensions Diagram 2
    Size L W H KG KG(EM) Cut Aperture
    600 x 1200 1198 598 112 12 13.5 563 x 1163 +/-3
    Dimensions Diagram 3
    Size L W H KG KG(EM) Cut Aperture
    300 x 1200 1197.7 297.7 112 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 sealed to 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.