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Technical environment

Technical environment

Global standard 220V-240V/50Hz-60Hz
Standard for USA/Canada 120V/60Hz, 277V/60Hz
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Our contents are shown to you in English. Product data is displayed for a technical region using USA/Canada 120V/60Hz, 277V/50Hz-60Hz.

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Lamp life

The functional life of a lamp. The functional life of incandescent lamps is based on the failure of 50% of the lamps. The functional life of discharge lamps and LEDs is calculated at the point when the installation´s luminous flux drops to 50% due to failed lamps and reduced luminous flux.

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Handbook of Lighting Design

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