AVR 4550 - Harman Kardon Audio EMC - CB Certificate (repair manual). Page 22

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IEC 60065, 6th edition : 1998

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- Page 20 of 39 - 

 

 

   

 Order 

No. 

200245266

 

 

 

 

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  

 

14.3.4.3 

Separating transformers with at least 
basic insulation   

 

14.3.5.1 

Class II transformers have adequate 
insulation between hazardous live 
parts and accessible parts (double or 
reinforced insulation)   

Double or reinforced insulation between hazardous live 
windings and accessible conductive parts. 

 

Coil formers and partition walls 

≥

 0,4 mm   

The bobbin(s) fulfils the requirement of reinforced 
insulation, see table above for bobbin thickness. 

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   

 

 

Winding wires connected to 
protective earth have adequate 
current-carrying capacity   

 

14.4 

High voltage components 

 

 

 

High-voltage components and 
assemblies: U > 4 kV (peak) 
separately approved   

No high voltage components used 
 

 

Component meets category FV 1 of 
IEC 60 707   

 

14.4.1 

High voltage transformers and 
multipliers tested as part of the 
submission  

 

14.5 Protective 

devices 

 

 

 

Protective devices used within their 
ratings  

Thermal link and fuses 

 

External clearance and creepage 
distances appropriate for the voltage 
across the device when opened   

 

14.5.1.1 

a) Thermal cut-outs separately 
approved  

None 

 

b) Thermal cut-outs tested as part of 
the submission   

 

14.5.1.2 

a) Thermal links separately 
approved  

Manuf.: NEC SHOTT Components Corporation. 
Type: SF169E-1 
Certified by: VDE 
According to IEC60691