Covers new inductive voltage transformers used with electrical measuring instruments and protective devices at frequencies from 15 Hz to 100 Hz. Deals with transformers having separate windings, as well as auto-transformers, where suitable, but not transformers used in laboratories.

Supersedes NBN HD 554 (12/2003)

NBN HD 554:1995

NBN EN 60044-2:2001

SN EN 60044-2:1999 - Identical

BS EN 60044-2:1999 - Identical

DIN EN 60044-2 (2003-12) - Identical

NF EN 60044-2:2000 - Identical

I.S. EN 60044-2:1999 - Identical

UNE EN 60044-2:1999 - Identical

SS EN 60044-2:2000 - Identical