CEI EN 61558-2-4 : 2010
Current
The latest, up-to-date edition.
SAFETY OF TRANSFORMERS, REACTORS, POWER SUPPLY UNITS AND SIMILAR PRODUCTS FOR SUPPLY VOLTAGES UP TO 1100 V - PART 2-4: PARTICULAR REQUIREMENTS AND TESTS FOR ISOLATING TRANSFORMERS AND POWER SUPPLY UNITS INCORPORATING ISOLATING TRANSFORMERS
Hardcopy , PDF
English - Italian
01-01-2010
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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 cable or cords
23 Terminals for external conductors
24 Provisions 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 - Creepage distances (cr), clearances (cl)
and distances through insulation (dti)
Material group II (400 <= CTI < 600)
Annex D - Creepage distances (cr), clearances (cl)
and distances through insulation (dti)
Material group I (CTI >= 600)
Annex R - Explanations of the application of 4.2
of IEC 60664-1:2007
Bibliography
Annex ZA (normative) - Normative references to
international publications with their
corresponding European publications
Describes the safety of isolating transformers for general applications and power supply units incorporating isolating transformers for general applications.
| Committee |
CT 96
|
| DevelopmentNote |
Classificazione CEI 96-8. (09/2001) Supersedes CEI EN 60742. (03/2004) To be read in conjunction with CEI EN 61558-1. (03/2010)
|
| DocumentType |
Standard
|
| Pages |
34
|
| PublisherName |
Comitato Elettrotecnico Italiano
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| IEC 61558-2-4:2009 | Identical |
| EN 61558-2-4:2009 | Identical |
| CEI 64-8/4 : 2012 | LOW VOLTAGE ELECTRICAL INSTALLATIONS - PART 4: PROTECTION FOR SAFETY |
| EN 61558-1:2005/A1:2009 | SAFETY OF POWER TRANSFORMERS, POWER SUPPLIES, REACTORS AND SIMILAR PRODUCTS - PART 1: GENERAL REQUIREMENTS AND TESTS |
| 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 |
| IEC 61558-1:2017 | Safety of transformers, reactors, power supply units and combinations thereof - Part 1: General requirements and tests |
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