Optus IV Surface / OPTUS IV D 2x49W HFSI GRY DSB L840

96209563 / OPD249DSSBG

Data Sheet

A surface mounted and suspended luminaire with a modern slim design, suitable for both office and school applications. For 2x49W T16 lamp(s). Electronic, DALI / DSI digital dimmable control gear. Integral mini-sensa head for full presence, daylight and remote control. Body: extruded aluminium with powder coated aluminium, matt grey finish. End Caps: die-cast zinc, and satinbrite louvre in anodised aluminium. Class I electrical, IP20. Electrical connection via factory fitted 3 x 2 x 2.5 mm² piano key terminal block and cable clamp. Key hole fixing centres 1300mm. Complete with 840 lamp(s).

Dimensions: 1509 x 165 x 61 mm
Total power: 105.5 W
Weight: 3 kg

Mode selection
  • Lamp position:STD - standard
  • Light Source:2 x T16 / 49W
  • Luminaire luminous flux*:4704 lm
  • Lamp luminous flux:2 x 4300 lm
  • Luminaire efficacy*:45 lm/W
  • Lamp efficacy:82 lm/W
  • Colour Rendering Index min.:80
  • Ballast:1x HFI* Tridonic PCA T5 ECO lp
  • Luminaire input power*:105.5 W Lambda = 0.98
  • Standby Power*:0.2 W
  • Dimming:DALIDSI dimmable to 1%
  • Maintenance category:C - Closed Top Reflector
  • T16
  • CE
  • ENEC
  • IP20
  • SC1


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