Diffusalux / DIFF 3 5000-840 HFIX E3 L1500 LOS


Data Sheet

A surface mounted, LED luminaire. DALI dimmable LED driver with 3 hour, manual test, emergency lighting circuit. Class I electrical, IP40. Body: painted steel. End caps: polycarbonate with a curved, extruded opal polycarbonate diffuser. Ø21.5mm cable entry hole in the centre of the back spine. Standard BESA fixings at 600mm centres. Piano key terminal block. Complete with 4000K LED. Lumen output can be selected by internal link/switch. HF versions can select the following: 3050lm (LO) / 4750lm (ME) / 6300lm (HI). HFIX versions can select the following: 3250lm (LO) / 5500lm (ME). Default setting is Medium mode. For exact photometric and power information – please visit website and select drop down with LO / ME / HI modes.

Dimensions: 1490 x 200 x 81 mm
Weight: 2.9 kg

Mode selection
  • Lamp position:ME - Medium mode
  • Light Source:LED
  • Luminaire luminous flux*:5487 lm
  • Total emergency luminous flux:251 lm
  • Luminaire efficacy*:111 lm/W
  • Colour Rendering Index min.:80
  • Ballast:1 x 28000656 LCA 50W 350-1050mA one4all lp PRE
  • Correlated colour temperature*:4000 Kelvin
  • Chromaticity tolerance (initial MacAdam):4
  • Rated median useful life*:L70 50000 h at 25 °C
  • Luminaire input power*:49.5 W Power factor = 0.93
  • Standby Power*:0.2 W
  • Charging power:3.7 W
  • Dimming:DaliDim
  • Maintenance category CIE 97:D - Enclosed IP2X
  • LED
  • CE
  • GLedReP
  • 650°
  • IK06
  • IP40
  • LLedReP
  • Electrical class I
  • Ta=25


Photometric configuration


Use CalcExpress to quickly carry out quick online calculations of required indoor luminaire numbers for rectangular rooms. Enter the calculation parameters for your solution such as room dimensions, mounting height, height of the useful plane and required level of illuminance, and the site will instantly suggest a solution according to the light output ratio method.

Step 1: Technical data
Step 2: Room Data
Step 3: Result