*-Per Lighting Europe guidance paper “Evaluating performance of LED based luminaires - January 2018”: statistically there is no relevant difference in lumen maintenance between B50 and for example B10. Therefore the median useful life (B50) value also represents the B10 value.
Class C, luminaire without serviceable parts, not serviceable
Product family code
[ Grandville LED]
Over Time Performance (IEC Compliant)
Control gear failure rate at median useful life 100000 h