PD IEC TR 63633:2025 PDF

1 Scope This document provides information on safety related aspects relevant for the design and application of LED lamps that can be used as a replacement for lamps of different technology (for example, incandescent, fluorescent or HID). NOTE     Where IEC CDV 63554 :— 1 contains specific LED lamp annexes, the aspects given in this document have already been considered. This document is not applicable to LED lamps for automotive applications.