HK 3480 (serv.man2) - Harman Kardon Audio EMC - CB Certificate (repair manual). Page 16

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- Page 11 of 32 - 
 
 
www.nemko.com
 
Report No.  65743 
 
 
IEC/EN 60065 
Clause 
Requirement – Test 
Result - Remark 
Verdict 
10 INSULATION 
REQUIREMENTS 
 
10.1 
Insulation resistance (MΩ) at least 2 MΩ min. after 
surge test for basic and 4 MΩ min. for reinforced 
insulation ................................................................. :
> 100 MΩ 
10.2 Humidity 
treatment 48 h or 120 h ........................... :
120 h (40°C). No impairment 
10.3 
Insulation resistance and dielectric strength 
(see appended table) 
 
 
 
11 FAULT 
CONDITIONS 
 
11.1 
No shock hazard under fault condition 
No electric shock hazard under 
fault conditions. 
11.2 
Heating under fault condition 
 
 
No hazard from softening solder 
No solder soften. 
11.2.1 
Measurement of temperature rises 
See appended table and  
attachment, Table to  
EN/IEC 60065 7
th
 edition 
11.2.2 
Temperature rise of accessible parts 
See appended table and  
attachment, Table to 
EN/IEC 60065 7
th
 edition 
11.2.3 
Temperature rise of parts, other than windings, 
providing electrical insulation 
See appended table and  
attachment, Table to  
EN/IEC 60065 7
th
 edition 
 
Temperature rise of printed circuit boards (PCB) 
exceeding the limits of table 3 by max. 100 K for 
max. 5 min 
No area where temperature 
exceeds 100K above limits 
 
a) Temperature rise of printed circuit boards (PCB) 
to 20.1.3, exceeding the limits of table 3 by not 
more than 100 K for an area not greater than 2 cm²
 
 
b) Temperature rise of printed circuit boards (PCB) 
to 20.1.3 up to 300 K for an area not greater than 
2 cm² for a maximum of 5 min 
 
 
Meets all the special conditions if conductors on 
printed circuit boards are interrupted 
No conductors are 
interrupted/peeled/loosened 
during fault conditions 
 
Class I protective earthing maintained 
Class II equipment 
11.2.4 
Temperature rise of parts acting as a support or 
mechanical barrier 
Temperature rises are within  
the limits.
 
11.2.5 
Temperature rise of windings 
See appended table and  
attachment, Table to  
EN/IEC 60065 7
th
 edition 
TRF No:  IEC/EN 60065F 
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