Contour / CONTO DI 3900 HFIX E3 MPT WH ML6 L840

96551463 / COWDI39840E3MPML6

Data Sheet

A versatile, suspended LED luminaire in a sleek, modern design with direct/indirect distribution. Electronic, DALI dimmable control gear with 3 hour, manual test, LED emergency lighting circuit. Body: extruded aluminium, painted matt white with white trim. Endcaps: moulded polycarbonate painted white. Optic: micro prism structure acrylic diffuser. Class I electrical, IP20. Electrical connection via pre-fitted LSOH white mains cable. May be mounted individually or in infinite configurations using connection accessories. Complete with 4000K LED

Dimensions: 1246 x 236 x 54 mm
Total power: 40.4 W
Weight: 5.8 kg

Mode selection
  • Lamp position:STD - standard
  • Light Source:LED
  • Luminaire luminous flux*:3900 lm
  • Total emergency luminous flux:105 lm
  • Luminaire efficacy*:97 lm/W
  • Lamp efficacy:97 lm/W
  • Colour Rendering Index min.:80
  • Correlated colour temperature*:4000 Kelvin
  • Chromaticity tolerance (initial MacAdam)*:3
  • Rated median useful life*:55000h L80 at 25°C
  • Ballast:1x HFI* Tridonic LCAI
  • Luminaire input power*:40.4 W
  • Standby Power*:0.2 W
  • Charging power:2 W
  • Dimming:DALI2 dimmable to 1%
  • Maintenance category:D - Enclosed IP2X
  • LED
  • CE
  • 650°
  • IK03
  • IP20
  • SC1
  • Ta = 0 to +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