Harman Kardon SoundSticks II EMC - CB Certificate ▷ View online
Page 46 of 91
ST-05368
IEC 60950-1 / EN 60950-1
Clause
Requirement – Test
Result – Remark
Verdict
TRF No.: IECEN60950_1A
5.2
TABLE: electric strength tests, impulse tests and voltage surge tests
P
test voltage applied between:
test voltage (V)
a.c. / d.c.
breakdown
Yes / No
RI: L/N and secondary circuits
4242 Vdc
No
RI: L/N and plastic enclosure covered with metal foil
3000 Vac
No
RI: Transformer: primary and secondary
3000 Vac
No
RI: Transformer: secondary and core
3)
3000 Vac
No
RI: Insulating tape around the outer side of transformer (T1)
3000 Vac
No
FI: Line and Neutral after current fuse (F1) opened
1500 Vac
No
supplementary information
Note:
1) FI: Functional insulation; BI: Basic insulation; SI: Supplementary insulation; RI: Reinforced insulation.
2) Test voltage a.c. / d.c.
3) The core of transformer (T1) is considered as primary winding.
Page 47 of 91
ST-05368
IEC 60950-1 / EN 60950-1
Clause
Requirement – Test
Result – Remark
Verdict
TRF No.: IECEN60950_1A
5.3
TABLE: fault condition tests
P
ambient temperature (
°C) .................................... : 25
model/type of power supply ................................ : See page 1
manufacturer of power supply ............................. : See page 1
rated markings of power supply .......................... : See page 1
No.
component
No.
fault
test vol-
tage
(V)
test time
fuse
No.
fuse current
(A)
result
Tested on model NU40-2240050-I3
1
U2, pin 1-2
S
264
1 hour
F1
0.364
Observation: Normal operation.
No hazards.
Damaged:
No hazards.
Damaged:
Temp: 61.5 ºC
Max. Voltage: 24.29 Vdc
Max. Voltage: 24.29 Vdc
2
U2, pin 1
O
264
< 1 s
F1
> 5
Observation: F1 opened.
Damaged: C6, ZD1, U1.
Temp:
Damaged: C6, ZD1, U1.
Temp:
Max. Voltage:
3
U2, pin 3-4
S
264
10 min.
F1
0.044
Observation: Unit shut down.
No hazards.
Damaged:
No hazards.
Damaged:
Temp:
Max. Voltage:
4
U2, pin 4
O
264
< 1 s
F1
> 5
Observation: F1 opened.
Damaged: U1, R22, C4.
Temp:
Damaged: U1, R22, C4.
Temp:
Max. Voltage:
5 BD1 S
264
< 1 s
F1
> 5
Observation: F1 opened.
Damaged:
Damaged:
Temp:
Max. Voltage:
6 C1 S
264
< 1 s
F1
> 5
Observation: F1 opened.
Damaged:
Damaged:
Temp:
Max. Voltage:
7 Q1
(D-S) S 264
< 1 s
F1
> 5
Observation: F1 opened.
Damaged: U1, R21.
Temp:
Damaged: U1, R21.
Temp:
Max. Voltage:
8 Q1
(D-G) S 264
< 1 s
F1
> 5
Observation: F1 opened.
Damaged: U1, R21.
Temp:
Damaged: U1, R21.
Temp:
Max. Voltage:
9
U1, pin 7-8
S
264
< 1 s
F1
> 5
Observation: F1 opened.
Damaged: U1.
Temp:
Damaged: U1.
Temp:
Max. Voltage:
10 D1 S
264
1
hour
F1 0.364
Observation: Normal operation.
No hazards.
Damaged:
No hazards.
Damaged:
Temp: 61.5 ºC
Max. Voltage: 24.31 Vdc
Max. Voltage: 24.31 Vdc
Page 48 of 91
ST-05368
IEC 60950-1 / EN 60950-1
Clause
Requirement – Test
Result – Remark
Verdict
TRF No.: IECEN60950_1A
5.3 (cont.) TABLE: fault condition tests
P
ambient temperature (
°C) ....................................: 25
model/type of power supply .................................: See page 1
manufacturer of power supply .............................: See page 1
rated markings of power supply ..........................: See page 1
No.
component
No.
fault
test vol-
tage
(V)
test time
fuse
No.
fuse current
(A)
result
11 R21 S 264 1
hour
F1 0.043
Observation: Normal operation.
No hazards.
Damaged:
No hazards.
Damaged:
Temp: 61.5 ºC
Max. Voltage: 24.35 Vdc
Max. Voltage: 24.35 Vdc
12 ZD1 S 264
< 1 s
F1
> 5
Observation: F1 opened.
Damaged: C6, U1, R18, R19.
Temp:
Damaged: C6, U1, R18, R19.
Temp:
Max. Voltage:
13 Output O/L 264
Steady
state
F1 0.5
Total testing duration: 6.5
hours.
Damaged:
hours.
Damaged:
Temp: 105 ºC
Max. Voltage: 24.0 Vdc
Max. Voltage: 24.0 Vdc
14 T1
secondary O/L
264
Steady
state
F1 0.512
Total testing duration: 6 hours.
Damaged:
Damaged:
Temp: 107 ºC
Max. Voltage: 24.0 Vdc
Max. Voltage: 24.0 Vdc
15 Output S 264 10
min. F1 0.107
Observation: Unit shut down.
No hazards.
Damaged:
No hazards.
Damaged:
Temp:
Max. Voltage:
16 T1 secondary
S
264
10 min.
F1
0.328
Observation: Unit shut down.
No hazards.
Damaged:
No hazards.
Damaged:
Temp:
Max. Voltage:
Tested on model NU40-2100400-I3
17
U2, pin 1-2
S
264
1 hour
F1
0.408
Observation: Normal operation.
No hazards.
Damaged:
No hazards.
Damaged:
Temp: 91.9 ºC
Max. Voltage: 10.29 Vdc
Max. Voltage: 10.29 Vdc
18
U2, pin 1
O
264
< 1 s
F1
> 5
Observation: F1 opened.
Damaged: R18, R19, R21.
Temp:
Damaged: R18, R19, R21.
Temp:
Max. Voltage:
19
U2, pin 3-4
S
264
1 hour
F1
0.406
Observation: Normal operation.
No hazards.
Damaged:
No hazards.
Damaged:
Temp: 91.9 ºC
Max. Voltage: 10.3 Vdc
Max. Voltage: 10.3 Vdc
20
U2, pin 4
O
264
< 1 s
F1
> 5
Observation: F1 opened.
Damaged: R18, R19, R21.
Temp:
Damaged: R18, R19, R21.
Temp:
Max. Voltage:
Page 49 of 91
ST-05368
IEC 60950-1 / EN 60950-1
Clause
Requirement – Test
Result – Remark
Verdict
TRF No.: IECEN60950_1A
5.3 (cont.) TABLE: fault condition tests
P
ambient temperature (
°C) ....................................: 25
model/type of power supply .................................: See page 1
manufacturer of power supply .............................: See page 1
rated markings of power supply ..........................: See page 1
No.
component
No.
fault
test vol-
tage
(V)
test time
fuse
No.
fuse current
(A)
result
21 BD1 S 264
< 1 s
F1
> 5
Observation: F1 opened.
Damaged:
Damaged:
Temp:
Max. Voltage:
22 C1 S 264
< 1 s
F1
> 5
Observation: F1 opened.
Damaged:
Damaged:
Temp:
Max. Voltage:
23 Q1
(D-S) S 264
< 1 s
F1
> 5
Observation: F1 opened.
Damaged: U1, R21.
Temp:
Damaged: U1, R21.
Temp:
Max. Voltage:
24 Q1
(D-G) S
264
< 1 s
F1
> 5
Observation: F1 opened.
Damaged: U1, R21.
Temp:
Damaged: U1, R21.
Temp:
Max. Voltage:
25
U1, pin 7-8
S
264
< 1 s
F1
> 5
Observation: F1 opened.
Damaged: U1.
Temp:
Damaged: U1.
Temp:
Max. Voltage:
26 D1 S 264 1
hour
F1 0.364
Observation: Normal operation.
No hazards.
Damaged:
No hazards.
Damaged:
Temp: 61.5 ºC
Max. Voltage: 24.31 Vdc
Max. Voltage: 24.31 Vdc
27 R21 S 264 1
hour
F1 0.043
Observation: Normal operation.
No hazards.
Damaged:
No hazards.
Damaged:
Temp: 61.5 ºC
Max. Voltage: 24.35 Vdc
Max. Voltage: 24.35 Vdc
28 ZD1 S 264
< 1 s
F1
> 5
Observation: F1 opened.
Damaged: C6, U1, R18, R19.
Temp:
Damaged: C6, U1, R18, R19.
Temp:
Max. Voltage:
29 Output O/L 264
Steady
state
F1 0.472
Total testing duration: 6 hours.
Damaged:
Damaged:
Temp: 91 ºC
Max. Voltage: 9.5 Vdc
Max. Voltage: 9.5 Vdc
30 T1
secondary O/L
264
Steady
state
F1 0.476
Total testing duration: 5.5
hours.
Damaged:
hours.
Damaged:
Temp: 95 ºC
Max. Voltage: 9.5 Vdc
Max. Voltage: 9.5 Vdc
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