This part 2 of IEC 61558 applies to stationary or portable,
single-phase or polyphase, air-cooled isolating transformers,
associated or otherwise.
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
This Standard replaces Chapter I of IEC 742.
IEC 61558-2-4:1997 ED1
99.60 Withdrawal effective
Feb 11, 2009
IEC 61558-2-4:2009 ED2