This document applies to d.c. resistive volt ratio boxes with fixed ratios and having a rated input voltage up to 1.5 kV and having a class index or better.
DIN EN 60524:1994 history
1999DIN EN 60524/A2:1999-01 Direct-current resistive volt ratio boxes; Amendment A2 (IEC 60524:1975/A2:1997); German version EN 60524:1993/A2:1997
1994DIN EN 60524:1994-08 Direct-current resistive volt ratio boxes (IEC 60524:1975 + A1:1981); German version EN 60524:1993
1994DIN EN 60524:1994 Direct-current resistive volt ratio boxes (IEC 60524:1975 + A1:1981); German version EN 60524:1993