IEC 62505-3-3:2009 gives particular requirements for voltage transformers used in a.c. single-phase railway applications, fixed installations. Applies to inductive voltage transformers used at traction voltages and frequencies according to IEC 60850.
IEC 62505-3-3 Ed. 1.0 b:2009
$23.00
Railway applications – Fixed installations – Particular requirements for a.c. switchgear – Part 3-3: Measurement, control and protection devices for specific use in a.c. traction systems – Single-phase inductive voltage transformers