High-bay LED luminaires

Zumtobel’s Graft range of LED high-bay lighting products is claimed to have half the energy consumption of traditional high-bay products. Features include smart controls such as movement sensors and dimming capability to maximise the benefit of daylight-linked controls.

Developed by Arup, Graft is an energy-efficient lighting solution for buildings such as sports halls, factories and warehouses.

Tailored light geometry reduces light overlaps and shadows to provide uniform light.

A major innovation is to use the heat stack effect to ensure heat is dissipated from the LEDs. Horizontal surfaces are avoided to prevent dusting settling on light fittings, helping to keep them cool and extend operational life.

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