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Beta 3

  • Beta 3
  • Beta 3

A flexible, efficient and long-lasting solution for office and education

  • Beta 3 features square and rectangular variants suiting the traditional modular ceiling dimensions (600, 625, 300x1200)
  • It can be used for different ceiling types (lay-in, plasterboard) as well as being surface mounted or suspended
  • The luminance reduced optic (LRO) is the perfect choice when lighting professional office or educational buildings (complies with EN12464-1)

Materials and Finish

Frame: white sheet steel, close to RAL9016
Optical system: opalized PMMA with deglaring foil

Installation and Mounting

Suitable for recessed lay-in as standard and accessories to allow installations in plasterboard ceilings, surface-mounted and suspended.


To specify state:
A light weight recessed luminaire with LED light source. 3000K and 4000K colour temperature, CRI>80 and a lifetime of 50,000 hours @ L80 Ta 25°C, including high efficiency up to 125lm/W, UGR<19, IP44 from below and IK03.
As Thorn Beta 3.

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Beta 3 square

Beta 3 square, emergency

Beta 3 square, dimmable

Beta 3 square, dimmable, emergency

Beta 3 rectangular

Beta 3 rectangular, emergency

Beta 3 rectangular, dimmable

Beta 3 rectangular, dimmable, emergency

Beta 3 accessories