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CEI EN 61558-1:1998-09

Superseded

Superseded

View Superseded by

Safety of transformers, power supply units and the like Part 1: General requirements and tests

Available format(s)

Hardcopy , PDF

Language(s)

English - Italian

Published date

09-01-1998

Superseded date

07-23-2025

Superseded by

CEI EN 61558-1 : 2006

It covers all aspects related to the safety (whether electrical, thermal or mechanical) of safety transformers and isolation transformers, fixed or mobile, single-phase or polyphase, air-cooled (natural or forced) with a nominal primary voltage not exceeding 1000 V AC, a nominal frequency not exceeding 1 MHz and a nominal power not exceeding 25 kVA for single-phase isolation transformers, 40 kVA for polyphase isolation transformers, 10 kVA for single-phase safety transformers and 16 kVA for multi-phase safety transformers.

Committee
CT 96
DocumentType
Standard
Pages
180
ProductNote
This standard is also Identical to IEC 61558-1:1997-02,IEC 61558/A1:1998 New child AMD 11 2003 is now added
PublisherName
Comitato Elettrotecnico Italiano
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
EN 61558-1:1997/A1:1998 Identical
EN 61558-1:1997 Identical
IEC 61558-1:1997 Identical
IEC 61558-1:1997/AMD1:1998 Identical