IEC 61558-2-17:1997

This part 2 of IEC 61558 applies to associated power transformers
for switch mode power supplies, single-phase or polyphase,
air-cooled:
separating transformers;
isolating transformers;
safety isolating transformers,
10 kVA for single-phase transformers;
16 kVA for polyphase transformers.
This standard is applicable to dry type transformers. The windings
may be encapsulated or non-encapsulated.


It has the status of a group safety publication in accordance with
IEC Guide 104


This part 2 supplements or modifies the corresponding clauses in
IEC 61558-1