Tunnel™ Ceiling

TUNNEL revives the classic functional form into a charming new style with an incurved enhancement. With this design flair comes great functionality. TUNNEL exceeds the typical levels of output and efficacy, and delivers on specification capabilities. Alternatives are provided for nearly every component, allowing designers to configure a luminaire designed precisely to the needs of the space. TUNNEL is available in five stand-alone lengths ranging from 4ft to 12ft. TUNNEL’s luxurious finishes and smooth lines create a stylish luminaire that doesn’t compromise on performance.


Tech Specs




Powder coated.


HPF electronic drivers for 120-277V, 347 (EU-240V). The driver is integral to the fixture housing.


Opal acrylic.


Can be integrated into your data network via Power over Ethernet (PoE) connectivity.


For circadian lighting, consult factory.


Luminaires mount directly over J box (by others).

Tunable White

Tunable white available, consult factory.

Reported L70 @25°C (77°F)

> 60,000 hrs @ 1400 lumens/ft (4600 lumens/m)

Estimated L70 @25°C (77°F)

> 165,000 hrs @ 1400 lumens/ft (4600 lumens/m)

Wood Slat Ceiling

For wood slat ceiling integration, consult factory.

Delivered lumens

Delivered lumens & LPW based on 4000K CRI 80+

Integral Emergency system

Emergency option provides a 1.5 hour (3 hours for EU) emergency lighting facility. The self contained system includes the inverter module, NiCad batteries, LED charge indicator and test switch (NA only). Not available with a 347V supply.


Damp Rated.

Designed by

Serge Cornelissen.


US Design Patent Pending.


  • ETL
  • CE
  • Grounding
  • Damp Location (Indoor Use)
  • Mounting Suited On Flammable Surfaces
  • IP 20

Mounting & Optics

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Product Family

Beta-Calco envisions a world where beauty is a baseline standard for the built environment. We drive towards more dynamic and impressive solutions with robust product development.