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Heat pipe technology illustration

Technology

Heat pipe technology makes the LED stay brighter, for longer.

Six vacuum-sealed copper tubes transfer heat away from the LED. The single drop of water in each evaporates with the heat from the bulb, before the 37 aluminium cooling fins help it condense. This continuous cooling cycle means a single LED lasts up to 180,000 hours.¹

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Cu-Beam Down light exploded view
Cu-Beam Down light exploded view

A custom lens focuses 5350 lumens at 4000K. From one LED.

The custom-engineered lens maximises the single high-power LED, for powerful illumination, whatever the task. The on-board chip optimises the bulb, to deliver a fixture light output of 5350lm at 4000K.

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Du-Beam Down light on black

High efficacy with 94lm/W.

Effective cooling by Heat pipe technology, combined with the efficiency of the custom-engineered lens, enables each fixture to run at 94lm/W at 4000K.

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Up to

Hours.¹ Heat pipe technology optimises LED longevity.


Fixture lumens at 4000K. Focused, bright light from one LED and a custom lens.


lm/W at 4000K. Effective cooling means high efficacy from each fixture.


Grams. Lightweight, compact and ideal for suspended ceilings.

Cu-Beam Duo light

Cu-Beam Duo logo

The only fully flexible up and down-light.

Heat pipe technology Cools the LED to sustain brightness
Weight 3.2kg
Output Combined lumen output of 9400lm (at 4000K)

The only fully flexible up and down-light.

Heat pipe technology Cools the LED to sustain brightness
Weight 3.2kg
Output Combined lumen output of 9400lm (at 4000K)

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Cu-Beam Up light

Cu-Beam Up logo

An ultra-wide distribution of powerful up-light.

Heat pipe technology Cools the LED to sustain brightness for up to 180,000 hours¹
Weight 2.9kg
Output One LED provides 7800 lumens (at 4000K)

An ultra-wide distribution of powerful up-light.

Heat pipe technology Cools the LED to sustain brightness for up to 180,000 hours¹
Weight 2.9kg
Output One LED provides 7800 lumens (at 4000K)

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Dyson lighting over a range of Dyson products

Dyson technology for business.

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¹Calculated lifetime based on LED L70.

⁺High-power LEDs use a fraction of the energy of some conventional non-LED suspended lights.