| 摘要 |
The illumination unit has a 2-part housing, the housing upper part (2) fitted with a lamp holder (3) with a clear glass light output surface and the housing lower part (8) provided with an assembly unit (9) for fixing in the electrical installation device. A circuit board (13) fitted with at least one light-emitting diode (14,15) is fitted into the lamp holder via an opening in the housing upper part, with guide grooves provided by the lamp holder holding the circuit board in place. |
