DS EN 50123-7-2:2003 Railway Applications - Fixed Installations - D.C. Switchgear - Part 7-2: Measurement, Control And Protection Devices For Specific Use In D.C. Traction Systems - Isolating Current Transducers And Other Current Measuring Devices Provides requirements for isolating current transducers and other current measuring devices used in d.c. railway applications, fixed installations.