BS PD IEC PAS 63328:2020

This Book 12 defines LED Arrays with a rectangular shape and a circular light emitting surface. For each LED Array, this Book 12 also defines the mechanical interface between the LED Array and the corresponding Holder. The mechanical interface between the Holder and the Luminaire (e.g. outline, OCA and mounting holes) is defined in [Book-10].

The LED Arrays defined in this specification are intended to be mounted on a heat sink by means of a Holder and to be connected to a separate Electronic Control Gear. The light output is essentially Lambertian to enable the Luminaire Optics to shape the application's desired light distribution from a defined input. The LED Arrays and Holders defined in this Book 12 are intended to be installed and replaced by Luminaire manufacturers only.

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