SAFETY OF TRANSFORMERS, REACTORS, POWER SUPPLY UNITS AND COMBINATIONS THEREOF - PART 2-12: PARTICULAR REQUIREMENTS AND TESTS FOR CONSTANT VOLTAGE TRANSFORMERS AND POWER SUPPLY UNITS FOR CONSTANT VOLTAGE

Available format(s)

Hardcopy , PDF

Language(s)

English - Italian

Published date

01-01-2012

Publisher

Comitato Elettrotecnico Italiano

1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
5 General notes on tests
6 Ratings
7 Classification
8 Marking and other information
9 Protection against electric shock
10 Change of input voltage setting
11 Output voltage and output current under load
12 No-load output voltage
13 Short-circuit voltage
14 Heating
15 Short-circuit and overload protection
16 Mechanical strength
17 Protection against harmful ingress of dust,
   solid objects and moisture
18 Insulation resistance, dielectric strength
   and leakage current
19 Construction
20 Components
21 Internal wiring
22 Supply connection and other external
   flexible cables or cords
23 Terminals for external conductors
24 Provision for protective earthing
25 Screws and connections
26 Creepage distances, clearances and
   distances through insulation
27 Resistance to heat, fire and tracking
28 Resistance to rusting
Annex C (normative) - Creepage distances (cr),
        clearances (cl) and distances through
        insulation (dti) - Material group 2
        (400 <= CTI < 600)
Annex D (normative) - Creepage distances (cr),
        clearances (cl) and distances through
        insulation (dti) - Material group 1
        (CTI >= 600)
Annex L (normative) - Routine tests (production tests)
Annex R (normative) - Explanations of the application
        of 4.1.1.2.1 of IEC 60664-1
Bibliography

Describes the safety of constant voltage transformers for general applications and power supply units for constant voltage for general applications.

Committee	CT 96
DevelopmentNote	Classificazione CEI 96-18. (07/2002) To be read in conjunction with CEI EN 61558-1. (04/2012)
DocumentType	Standard
Pages	44
PublisherName	Comitato Elettrotecnico Italiano
Status	Current

Standards	Relationship
EN 61558-2-12:2011	Identical
IEC 61558-2-12:2011	Identical

IEC 61558-2-16:2009+AMD1:2013 CSV

Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-16: Particularrequirements and tests for switch mode power supply units andtransformers for switch mode power supply units

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CEI EN 61558-2-12 : 2012

Current

Table of Contents

Abstract

General Product Information

International Equivalents

Standards Referencing This Book

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