NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN 50123-7-1 ; VDE 0115-300-7-1:2003-10 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| EN 50123-7-3 | 2003-02 | Railway applications - Fixed installations; D.C. switchgear - Part 7-3: Measurement, control and protection devices for specific use in d.c. traction systems; Isolating voltage transducers and other voltage measuring devices More |
