AS/NZS 61558.2.4:2009 (Includes IEC text)
Safety of power transformers, power supply units and similar - Particular requirements - Particular requirements for isolating transformers and power supply units incorporating isolating transformers (Includes IEC 61558-2-4 Ed 2)
Includes IEC 61558.2.4 Ed 2 and provides manufacturers, designers, regulatory authorities, testing laboratories and similar organizations with safety requirements for the design, manufacture and testing of isolating transformers and power supply units incorporating isolating transformers which can form the basis for approval by regulatory authorities. Reproduced from and identical to the second edition of IEC 61558-2-4:2009.
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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
Explanation or title
Identification
60417-5221
60417-5944
Short-circuit-proof isolating transformer(inherently or non-inherently)
60417-5945
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
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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
Explanation or title
Identification
60417-5221
60417-5944
Short-circuit-proof isolating transformer(inherently or non-inherently)
60417-5945
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
Standards New Zealand
Australian/New Zealand Standards
International Involvement
Visit our Web sites
AS/NZS 61558.2.4:2009 (Includes IEC text)
Online Library subscription pricing
The cost of your subscription will depend on which standards you want to access, and how many people in your organisation need to be able to access the Online Library subscription at the same time (concurrent users). During your subscription period, we are also able to make any necessary changes and ensure you are aware of any pricing changes that result. For a quote, contact our Online Library team by emailing onlinelibrary@standards.govt.nz.