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- Page 45 of 51 - 

 

 

 

Report No.  114383 

 

TRF No.:IECEN60950_1B 

 

 
 
 

2.5 

TABLE: limited power sources 

N/A 

 

 

 

I

sc 

(A) 

VA 

 

Meas. 

Limit 

Meas. 

Limit 

 

 

 

 

 

 

 

 

 

 

supplementary information: 

 

 

2.10.2 

Table: working voltage measurement 

N/A 

 

Location 

RMS voltage (V)

Peak voltage (V) Comments  

 

 

 

 

supplementary information: 

 

 

2.10.3 – 
2.10.4 

TABLE: clearance and creepage distance measurements 

N/A 

 

clearance cl and creepage 
distance dcr at/of: 

Up 

(V) 

U r.m.s. 

 (V) 

required cl

 (mm) 

cl 

 (mm) 

required 

 dcr (mm)

dcr 

(mm) 

 

 

 

 

 

 

 

supplementary information: 

 

 

2.10.5 

TABLE: distance through insulation measurements 

N/A 

 

distance through insulation di at/of: 

Up 
(V) 

test voltage 

 (V) 

required di 

 (mm) 

di 

(mm) 

 

 

 

 

 

supplementary information: 

 

 

 

 

- Page 46 of 51 - 

 

 

 

Report No.  114383 

 

TRF No.:IECEN60950_1B 

 

 

4.3.8 TABLE: 

Batteries 

N/A 

 

Battery category .......................................... :

 

Manufacturer ............................................... :

 

Type / model................................................ :

 

Voltage ........................................................ :

 

Capacity ...................................................... :

 

Tested and Certified by (incl. Ref. No.)....... :

 

 
Circuit protection diagram: 

 

 
 
 
 
 
 
 
 

 

MARKINGS AND INSTRUCTIONS (1.7.12, 1.7.15) 

Location of replaceable battery 

 

 Language(s): 

Close to the battery 

 

In the servicing instructions 

 

In the operating instructions 

 

 

 

- Page 47 of 51 - 

 

 

 

Report No.  114383 

 

TRF No.:IECEN60950_1B 

 

 

4.3.8 TABLE: 

Batteries 

N/A 

 

The tests of 4.3.8 are applicable only when 
appropriate battery data is not available 

 

Is it possible to install the battery in a reverse 
polarity position? 

 

Temperature 

 

 

 

Non-rechargeable batteries 

Rechargeable batteries 

 

Discharging 

Unintentional 
charging 

Charging 

Discharging 

Reversed 
charging 

 

Meas. 
current 

Manuf. 
spec. 

 

Meas. 
current

Manuf. 
spec. 

Meas. 
current 

Manuf. 
spec. 

Meas. 
current

Manuf. 
spec. 

Max 
current 
during 
normal 
conditions 

 

 

 

 

 

 

 

 

 

Max 
current 
during fault 
conditions 

 

 

 

 

 

 

 

 

 

supplementary information: 

 

 

Test results: 

 

Verdict 

- Chemical leaks 

 

N/A 

- Explosion of the battery 

 

N/A 

- Emission of flame or expulsion of molten 
metal 

 

N/A 

- Electric strength test of equipment after 
completion of tests 

 

N/A 

supplementary information: 

 

 

 

- Page 48 of 51 - 

 

 

 

Report No.  114383 

 

TRF No.:IECEN60950_1B 

 

 

4.5 

TABLE: Thermal requirements 

P 

 

Supply voltage (V)  .....................

264V/60Hz(adapter) 

⎯ 

Maximum measured temperature T of 
part/at:: 

T (

°C) 

Allowed 

T

max

 (

°C)

Supplied 1KHz sine wave for speakers in computer speaker system and obtain 1/8 Maximum non-clipped 
output power 

Adapter enclosure 

44.7 

81 

C20 body (rated 105

°C) 

83.4 91 

C10 body (rated 105

°C) 

65.2 91 

Heating sink near U6 

104.2 

-- 

PCB near U6 

98.4 

116 

Enclosure inside near Heating sink 

53.3 

-- 

Enclosure outside near back 

37.5 

81 

Ambient 26.0 

-- 

Having a specified maximum ambient temperature of 40°C, the maximum temperatures are calculated 
based upon a (minimum) test temperature of 26°C. Temp. limits are adjusted according to Cl. 1.4.12.3. 
Temperature limits include less 10K for thermocouple measurement method. 

Temperature T of winding: 

t

1

 (°C)

R

1

 (

Ω)

t

2

 (°C)

R

2

 (

Ω)

T (

°C) 

Allowed 

T

max

 (

°C)

Insulatio

n class

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

supplementary information: 

 

 
 

4.5.2 

TABLE: ball pressure test of thermoplastic parts 

N/A 

 allowed 

impression 

diameter (mm) .....................:

≤ 2 mm 

 

part 

test temperature 

(

°C) 

impression diameter 

(mm) 

 

 

 

supplementary information: