X1-ZKMA, X*-ZKMA, K*-ZKMA, K*-ZKM, C*-ZKMA C*-MKA, C*-K,
R*-ZKMA, C001D-ZMA, C00*D-ZMA, T*-ZKMA ( * indicates 1-9 )
EN 55014-1:2017+A11:2020 EN 55014-2:2015