Uplighting Element

Uplighting Element

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Uplighting Element


Optic options:

  • Advanced Hexaprism for optimum glare control and diffusion of light
    • 3400 lumens (32W)
    • 4800 lumens (47W)
  • Quadraprism optic provides all round glare control
    • 3400 lumens (31W)
    • 4200 lumens (37W)
    • 6300 lumens (51W)
  • Emergency Output (BLF):
    • All variants - 459 Lumens
  • Available with 3000K and 4000K LED
  • Downlight/uplight ratio is 75/25 except the 6300 version which is 50/50


  • Slim depth sheet steel construction with no visible joints on the front face of the luminaire
  • Simple geometric form
  • Twin adjustable wire suspension kit with 1.5m maximum drop (supplied separately). One suspension kit per luminaire and one for every infill 1200mm and above or if ending a continuous run on an infill
  • Standalone or continuous configuration
  • For continuous mounting infills must be used (supplied separately)
  • Standalone luminaire does not require end caps
  • Continuous luminaire requires end cap kit (supplied separately)
  • Infills available in 300 / 600 / 900 / 1200 / 1500mm
  • Two integral emergency options available; 3hr emergency or COMEPS (can be wired as Easytest if required)
  • IP20
  • RAL Colour: Silver RAL9006 or White RAL9003

Hexaprism, standalone in white

Hexaprism, standalone in white (4000K) Fixed Output 3hr Emergency LL/CW L70 B50
3400 lumens (32W) BSSTH14KW BSSTH14KWEM 108 >100k >100k 75k
4800 lumens (47W) BSSTH24KW BSSTH24KWEM 105 >100k >100k 58k

Hexaprism, continuous in white

Hexaprism, continuous in white (4000K) Fixed Output 3hr Emergency LL/CW L70 B50
3400 lumens (32W) BSCH14KW BSCH14KWEM 108 >100k >100k 75k
4800 lumens (47W) BSCH24KW BSCH24KWEM 105 >100k >100k 58k

Quadraprism, standalone in white

Quadraprism, standalone in white (4000K) Fixed Output 3hr Emergency LL/CW L70 B50
3400 lumens (31W) BQSTH14KW BQSTH14KWEM 111 >100k >100k 75k
4200 lumens (37W) BQSTH24KW BQSTH24KWEM 111 >100k >100k 63k
6300 lumens (51W)* BQSTH34KW BQSTH34KWEM 125 >100k >100k 63k

Quadraprism, continuous in white

Quadraprism, continuous in white (4000K) Fixed Output 3hr Emergency LL/CW L70 B50
3400 lumens (31W) BQCH14KW BQCH14KWEM 111 >100k >100k 75k
4200 lumens (37W) BQCH24KW BQCH24KWEM 111 >100k >100k 63k
6300 lumens (51W) BQCH34KW BQCH34KWEM 125 >100k >100k 63k


Suspension kit BSSUSKIT
End cap kit, white (contiunuous luminaires only) BSCENDCW
300mm infill, white BSC300INFW
600mm infill, white BSC600INFW
900mm infill, white BSC900INFW
1200mm infill, white BSC1200INFW
1500mm infill, white BSC1500INFW


DALI Replace H with Y i.e BSSTY14KW
Silver Replace W with S i.e BSSTH14KS
COMEPS Add suffix EP i.e BSSTH14KWEP

* COMEPS can be wired for Easytest functionality if required

For 3000K colour temperature, please contact Whitecroft

Dimensions Diagram 1
Luminaire 1630 235 61 9 10
300mm infill 300 235 61 1.5
600mm infill 600 235 61 3
900mm infill 900 235 61 4.5
1200mm infill 1200 235 61 6
1500mm infill 1500 235 61 7.5

Photometic Performance

Photometic Performance Diagram - 32W LED 4000k 3400 Lumens
32W LED 4000k 3400 Lumens
LOR = 100.0%
SHR MAX = 1.50
Photometic Performance Diagram - 47W LED 4000k 4800 Lumens
47W LED 4000k 4800 Lumens
LOR = 100.0%
SHR MAX = 1.70

Performance Guide

Performance Guide Diagram 1
  • Lamps: 4000K LED
  • Illuminance: 314 lux
  • Spacing: 3.1m x 3.0m

  • Maintenance: 0.8
  • Reflectance: 70/50/20
  • Ceiling Height: 3.2m
  • Working plane: 0.8m

LED Performance

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

Suspended LED luminaire with direct: indirect lighting ratio of 75:25. Advanced Hexaprism optic providing glare control and maximum diffusion. For continuous or standalone configuration - as Whitecroft Lighting BROADSWORD

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