Zhaga Interface Specification Book 8
Zhaga Interface Specification Book 8 defines the interfaces of a type-A LED light engine (socketable with integrated control gear). The LED light engine (LLE) has a round drum shape with maximum dimensions of 95 mm diameter and 45 mm height. It has a circular light-emitting surface (LES) with a diameter in the range of 59 mm to 71 mm.
Book 8 is similar to Book 2, except that the LLEs described in Book 8 have larger dimensions.
Public download available (Edition 1.1, June 2013): Zhaga Interface Specification Book 8
A Chinese-language version of Book 8 is also available.
The Zhaga Consortium will review and update this specification from time to time. To ensure you are aware of any updates to the Zhaga specifications, please subscribe to the Zhaga newsletter.
A number of Zhaga-member companies already offer products that are certified according to Book 8 - these can be found in the Certified Products database.
The LED light engine (LLE) has a PHJ85d-type base with a diameter of 85 mm. It can be locked into a holder inside a luminaire by means of a twisting motion. Mechanical fit keying is present to ensure that the luminaire provides the correct mains voltage.
The light output is essentially lambertian, which enables the luminaire optics to shape the light distribution to the needs of the application.
The light engine is intended primarily (but not exclusively) for use in LED luminaires for downlighting applications.
This Book must be read together with Zhaga Interface Specification Book 1.
The main properties of Book 8 are explained in the images below. You can click on each image to enlarge the text, or you can download the Overview of Zhaga Book 8 as a PDF file.
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