• Design Service
    Free design service A dedicated, fully qualified, in-house design team is at your service completely free of charge. Providing comprehensive lighting designs bringing designs to life for road, urban, tunnel, high-mast, sports and area lighting schemes. We also have a specialised PFI design and support service.
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  • Cost Calculator
    Cost Calculator The pressures on reducing energy, maintenance costs and operating costs will continue to increase so that climate change objectives can be met. Understanding the total cost of an installation over its whole life is becoming increasingly important as budgets become tighter and long term planning is required. The Total Cost of Ownership Tool from WRTL allows you to compare the complete cost of alternate lighting solutions alongside Stela so that you are able to make informed decisions on long term sustainability.
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“Our track record in delivering great operational performance has built long-term relationships with Indal WRTL. We work together to meet the needs of a low-carbon economy.” Trevor Mummery

Thema

The bodies of the Thema range T1 and T2 comprise a rim and a cover made of high pressure die cast aluminium. The Thema 1 version includes a gravity die cast aluminium base and two (2B) or four arms (4B) linking the body to the base. Diffuser and bowls



A modular luminaire for lighting urban centres, urban roads, pedestrian areas, squares and residential areas.

The bodies of the Thema range T1 and T2 comprise a rim and a cover made of high pressure die cast aluminium. The Thema 1 version includes a gravity die cast aluminium base and two (2B) or four arms (4B) linking the body to the base.

Diffuser and bowls

In Thema 1 version, the diffuser is in high resistance (MI) injected methacrylate or injected polycarbonate (PC) and UV protected.

The Thema 2 version has a thermoformed methacrylate (MT) or heat treated flat glass bowl (V). The bowls are fixed to the rim by 8 tightening brackets that press on a watertight gasket.

Optical systems
Thema can be equipped with 3 different optical systems fixed to the cover: a circular, brilliant, anodised optic in pressed aluminium OC, a 3eR road optic and a 3eU urban optic in hydro-formed, brilliant, anodised aluminium.
The Thema T1 model contains a reflecting cone in the lower section.

Luminaire IP 66
Class I
Class II
Maximum wattage 150 W
Three optics
High pressure die cast aluminium body
Impact resistant methacrylate injected bowl (MI) (T1)
Polycarbonate injected bowl (PC)
Methacrylate bowl (MT) (T2)
Glass bowl (V) (T2)

  • Thema
  • Thema