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DETAILS OF TECHNICAL STANDARDS

EN 61558-2-15

Safety of Power Transformers, Power Supply Units and Similar
Part 2-15: Particular Requirements for Isolating Transformers for the Supply of Medical Locations

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European Standard

 

Contents
(courtesy CENELEC)

This international standard deals with all aspects of safety such as electrical, thermal and mechanical.

This part 2-15 of IEC 61558 applies to stationary, single-phase or polyphase, air-cooled (natural or forced) isolating transformers for the supply of group II medical locations, designed to be permanently connected to the fixed wiring of IT supply system, having a rated supply voltage not exceeding 1 000 V a.c. and rated frequency not exceeding 500 Hz. The rated output shall not be less than 3 kVA and shall not exceed 10 kVA.

NOTE 1 – Details of IT supply systems are to be found in IEC 60364-3.
NOTE 2 – The wiring rules for group II medical locations are under consideration [1]* .

The no-load output voltage and the rated output voltage shall not exceed 250 V a.c. singlephase or polyphase (phase-to-phase voltage).
Isolating transformers are used where double or reinforced insulation between circuits is required by the installation rules or by the appliance specification.

This standard is applicable to dry-type transformers. The winding may be encapsulated or non-encapsulated.
NOTE 3 – For transformers filled with liquid dielectric or pulverised material such as sand, requirements are under consideration.
NOTE 4 – Attention is drawn to the fact that:
– for transformers intended to be used in tropical countries, special requirements may be necessary;
– in locations where special environmental conditions prevail, particular requirements may be necessary.
This standard also applies to transformers incorporating electronic circuits. This standard does not apply to external circuits and their components intended to be connected to the input and output terminals or socket-outlets of the transformer.
* The figures in square brackets refer to the bibliography.

 



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The main Standards
related to EN 61558-2-15


 

Corresponding European standards
No data available
 
Corresponding International standards
IEC 61558-2-15Safety of power transformers, power supply units and similar
Part 2-15: Particular requirements for isolating transformers for the supply of medical locations
 
Organizations and Institutions
CENELECEuropean Committee for Electrotechnical Standardization
[European Standard]
 
Other related CENELEC Standards
EN 60076-5 Power transformers
Part 5: Ability to withstand short-circuit
EN 60601-1 Medical Electrical Equipment
Part 1: General Requirements for Safety and Essential Performance
EN 61558-1 Safety of power transformers, power supply units and similar.
General requirements and tests
EN 61558-2-1 Safety of power transformers, power supplies, reactors and similar products
Part 2-1: Particular requirements and tests for separating transformers and power supplies incorporating separating transformers for general applications
EN 61558-2-13 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V
Part 2-13: Particular requirements and tests for auto transformers and power supply units incorporating auto transformers
EN 61558-2-15 Safety of Power Transformers, Power Supply Units and Similar
Part 2-15: Particular Requirements for Isolating Transformers for the Supply of Medical Locations
EN 61558-2-2 Safety of Power Transformers, Power Supply Units and Similar
Part 2-2: Particular Requirements for Control Transformers
EN 61558-2-4 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V
Part 2-4: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers
EN 61558-2-5 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-5: Particular requirements and test for transformer for shavers, power supply units for shavers and shaver supply units.
EN 61558-2-6 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V
Part 2-6: Particular requirements and tests for safety isolating transformers and power supply units incorporating safety isolating transformers
 
Thematic collection
Transformers

 


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