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Report
No.
98502
14.3.3 Constructional
requirements
P
14.3.3.1
Clearances and creepage distances comply with
clause 13
clause 13
See attachment, Table to
EN/IEC 60065 7
EN/IEC 60065 7
th
edition.
P
14.3.3.2
Transformers meet the constructional
requirements
requirements
See attachment, Table to
EN/IEC 60065 7
EN/IEC 60065 7
th
edition.
P
14.3.4.1
Class II transformers have adequate separation
between hazardous live parts and accessible
parts (double or reinforced insulation)
between hazardous live parts and accessible
parts (double or reinforced insulation)
Double or reinforced
insulation between primary
and secondary windings
according to clause 8.8.
See attachment, Table to
EN/IEC 60065 7
insulation between primary
and secondary windings
according to clause 8.8.
See attachment, Table to
EN/IEC 60065 7
th
edition.
P
Coil formers and partition walls > 0,4 mm
The bobbin of transformers
fulfils the requirement of
reinforced insulation;
bobbin thickness > 0,4 mm.
fulfils the requirement of
reinforced insulation;
bobbin thickness > 0,4 mm.
P
14.3.4.2
Class I transformers, with basic insulation and
protective screening only if all 7 conditions of
14.3.4.2 are met
protective screening only if all 7 conditions of
14.3.4.2 are met
Transformers are evaluated
with Class II construction
with Class II construction
N/A
14.3.4.3
Separating transformers with at least basic
insulation
insulation
Windings of Class II
construction used.
construction used.
N/A
14.3.5.1
Class II transformers have adequate insulation
between hazardous live parts and accessible
parts (double or reinforced insulation)
between hazardous live parts and accessible
parts (double or reinforced insulation)
Double or reinforced
insulation between
hazardous live windings
and accessible conductive
parts.
insulation between
hazardous live windings
and accessible conductive
parts.
P
Coil formers and partition walls > 0,4 mm
The bobbins fulfils the
requirement of reinforced
insulation; bobbins thickness
> 0,4 mm.
requirement of reinforced
insulation; bobbins thickness
> 0,4 mm.
P
14.3.5.2
Class I transformers have adequate insulation
between hazardous live parts and accessible
conductive parts or those conductive parts or
protective screens connected to a protective earth
terminal
between hazardous live parts and accessible
conductive parts or those conductive parts or
protective screens connected to a protective earth
terminal
Windings of Class II
construction used.
construction used.
N/A
Winding wires connected to protective earth have
adequate current-carrying capacity
adequate current-carrying capacity
N/A
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