Safety regulations


Transformer norms EN 61558-1


The old VDE 0550 and VDE 0551 do not exist anymore. The succession norm EN 60742 (VDE 0551) is outdated as well. The now valid norm for transformers is DIN EN 61558 (VDE 0570). Part 1 of it explains general requiements and tests. Part 2 lists special transformer types like safety transformers (part 2-6) or SMPS transformers (part 2-17) separately as norm, which still has a connection to part 1, the general requirements.

European norms for transformers

DIN EN 61558-2-1
(VDE 0570 Teil 2-1)

1998-07

Safety of transformers, power supplies and similar
Special requirements on line transformers for general use

 

 

 

DIN EN 61558-2-2
(VDE 0570 Teil 2-2)

1998-10

Safety of transformers, power supplies and similar
Special requirements on control transformers

 

 

 

DIN EN 61558-2-3
(VDE 0570 Teil 2-3)

2000-09

Safety of transformers, power supplies and similar
Special requirements on ignition transformers for gas- and oil burners

 

 

 

DIN EN 61558-2-4
(VDE 0570 Teil 2-4)

1998-07

Safety of transformers, power supplies and similar
Special requirements on isolating transformers for general use

 

 

 

DIN EN 61558-2-6
(VDE 0570 Teil 2-6)

1998-07

Safety of transformers, power supplies and similar
Special requirements on safety transformers for general use

 

 

 

DIN EN 61558-2-13
(VDE 0570 Teil 2-13)

2000-08

Safety of transformers, power supplies and similar
Special requirements on autotransformers for general use

 

 

 

DIN EN 61558-2-15
(VDE 0570 Teil 2-15)

2001-11

Safety of transformers, power supplies and similar
Special requirements on isolating transformers that supply medical rooms

 

 

 

DIN EN 61558-2-17
(VDE 0570 Teil 2-17)

1998-07

Safety of transformers, power supplies and similar
Special requirements on transformers for switching power supplies

 

 

 

DIN EN 61558-2-19
(VDE 0570 Teil 2-19)

2001-09

Special requirements on interference reduction transformers

 

 

 

DIN EN 61558-2-20
(VDE 0570 Teil 2-20)

2001-04

Safety of transformers, power supplies and similar
Special requirements on small chokes


Further European norms

DIN EN50020
(VDE 0170/0171)

Electrical equipment for explosion-prone areas

 

 

DIN IEC 380
(VDE 0806)

Safety of electrically supplied office devices

 

 

DIN IEC 65 EN 60065
(VDE 0860)

Safety regulations for line-operated electronic devices and their equipment for domestic use and similar general use

 

 

DIN IEC 601
(VDE 0750)

Safety of electromedical devices

 

 

DIN EN 61010
(VDE 0411)

Safety of electric measurement, control, regulation and lab devices

 

 

DIN EN 60950

Safety of equipment of the information technology

 

 

VDE 0805

including office machines


UL (Underwriter Laboratory, USA) norms
On request we produce conform to these UL norms

UL 506: Speciality Transformers
UL 544: Medical and Dental Equipment
UL 131: Direct Plug-in Transformers
UL 1585: Class 2 and 3 Transformers

We produce transformers with UL approved materials and on demand we send a chart with the materials used. We can also send yellow cards.  The materials have the classes UL 94 HB, UL 94-5 V, UL 94-V 0, UL 94 V-1 or UL 94 V-2.


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