51SM147AB4B, 51SMXX7AXXB, 51SMXXDAXXB
(“1st X” stands for colour;
“2nd X” stands for the Distribution for inserts;
“3rd X” stands for CCT;
“4th X” stands for Lumen-Output)
EN IEC 60598-2-1:2021;
EN IEC 60598-1:2021