Harman Kardon GO PLAY MICRO (serv.man4) EMC - CB Certificate ▷ View online
Page 37 of 70
Report No.: JGZ0512196-3
IEC 60950-1
Clause
Requirement – Test
Result – Remark
Verdict
TRF
No.:IEC60950_1A
Intertek Testing Services Shenzhen Ltd. Guangzhou GDD Branch
3/F., Hengyun Building, 728 Kaifa Ave., Guangzhou Economic & Technological Development District, Guangzhou, China
Tel: (86 20) 8396 6868 Fax: (86 20) 8222 8170 Website: www.china.intertek-etlsemko.com
2.10.5
TABLE: distance through insulation measurements
P
distance through insulation di at/of:
Up / Ur.m.s.
(Vp / Vac)
test voltage
(V)
required di
(mm)
di
(mm)
Enclosure between live parts and accessible
parts (RI)
parts (RI)
550 / 240
3000 Vac
0.4
2.5
Optocoupler (U2) between primary and
secondary (RI)
secondary (RI)
550 / 240
3000 Vac
0.4
≥ 0.4
PCB between secondary shield sheet and
primary circuit (RI)
primary circuit (RI)
550 / 240
3000 Vac
0.4
0.5
thin sheet material at/of:
Up / Ur.m.s.
(Vp / Vac)
test voltage
(V)
required
layer(s)
layer(s)
Insulating tape between core of transformer
and secondary components (RI)
and secondary components (RI)
550 / 240
3000 Vac / 2
layers
3 3
Insulating tape between HS1(primary) and
secondary components (RI)
secondary components (RI)
550 / 240
3000 Vac / 2
layers
3 3
Insulating tape between HS2 (secondary) and
primary components (RI)
primary components (RI)
550 / 240
3000 Vac / 2
layers
3 3
Note:
1) FI: Functional insulation; BI: Basic insulation; SI: Supplementary insulation; RI: Reinforced insulation.
2) The core of transformer (T1) is considered as primary component, the triple insulation wire are used as
secondary winding of transformer.
Page 38 of 70
Report No.: JGZ0512196-3
IEC 60950-1
Clause
Requirement – Test
Result – Remark
Verdict
TRF
No.:IEC60950_1A
Intertek Testing Services Shenzhen Ltd. Guangzhou GDD Branch
3/F., Hengyun Building, 728 Kaifa Ave., Guangzhou Economic & Technological Development District, Guangzhou, China
Tel: (86 20) 8396 6868 Fax: (86 20) 8222 8170 Website: www.china.intertek-etlsemko.com
4.5
TABLE: maximum temperatures
P
test voltage (V) .....................
90 V (60 Hz)
264 V (50 Hz)
—
t1
(
°C) ...................................
25 25 —
t2
(
°C) ...................................
25 25 —
Model/type of power supply
NU60-9240250-I3
Maximum temperature T of part/at:
T (
°C)
Allowed Tmax.
(
°C)
Enclosure (outside, near core of T1)
65.4
59.5
95
Enclosure (inside, near core of T1)
74.8
68.0
For stress relief
C9 surface
78.5
72.0
105
Output cord
63.4
58.3
105
Winding of L4
74.0
68.7
120 (130-10)
ZD1 surface
72.3
66.7
130
C7/C8 surface
78.4
72.8
105
PCB (under D3)
91.2
82.2
130
CY1 surface
93.3
84.3
125
Optocoupler (U2)
89.8
80.4
100
PCB (under BD1)
93.8
77.9
130
Winding of L2
100.7
80.0
120 (130-10)
C2 surface
88.2
75.5
105
CY2 surface
78.3
65.8
125
X1/CY2 surface
86.9
72.9
100
X1/NTC surface
96.1
77.4
100
Appliance inlet
68.7
62.0
70
Core of T1
101.2
92.4
For reference
Winding of T1
102.6
93.9
105 (115-10)
temperature T of winding:
R
1
(
Ω)
R
2
(
Ω)
T (
°C)
allowed
T
max
(
°C)
insulation
class
— —
—
—
—
Class
E
Page 39 of 70
Report No.: JGZ0512196-3
IEC 60950-1
Clause
Requirement – Test
Result – Remark
Verdict
TRF
No.:IEC60950_1A
Intertek Testing Services Shenzhen Ltd. Guangzhou GDD Branch
3/F., Hengyun Building, 728 Kaifa Ave., Guangzhou Economic & Technological Development District, Guangzhou, China
Tel: (86 20) 8396 6868 Fax: (86 20) 8222 8170 Website: www.china.intertek-etlsemko.com
4.5.2
TABLE: ball pressure test of thermoplastic parts
P
allowed
impression
diameter (mm) ..................... :
≤ 2 mm
⎯
part
test temperature
(
°C)
impression diameter
(mm)
Bobbin of transformer (T1)
125
1.5
PCB 125
0.9
The record was the max. diameter in all alternative source as table 1.5.1.
4.7
TABLE: resistance to fire
P
part
manufacturer of material
type of material
thickness
(mm)
flammability
class
See table 1.5.1
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
FI: Line and Neutral after current fuse (F1) opened
1500 Vac
No
RI: Triple insulating wire and primary winding
3000 Vac
No
RI: Insulating tape, 2 layers
3000 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 component, the triple insulation wire are used as
secondary winding of transformer.
Page 40 of 70
Report No.: JGZ0512196-3
IEC 60950-1
Clause
Requirement – Test
Result – Remark
Verdict
TRF
No.:IEC60950_1A
Intertek Testing Services Shenzhen Ltd. Guangzhou GDD Branch
3/F., Hengyun Building, 728 Kaifa Ave., Guangzhou Economic & Technological Development District, Guangzhou, China
Tel: (86 20) 8396 6868 Fax: (86 20) 8222 8170 Website: www.china.intertek-etlsemko.com
5.3
TABLE: fault condition tests
P
ambient temperature (
°C) ................................... : 25
⎯
model/type of power supply ................................ :
NU60-9240250-I3
⎯
manufacturer of power supply ............................. :
See page 1
⎯
rated markings of power supply .......................... :
See page 1
⎯
No. component
fault
test voltage
(V)
test time
fuse
No.
fuse current
(mA)
result
1
Output
S
264
0.1 hour
Current
fuse
(F1)
50
Observation:
Unit shut down, no
hazard.
Damage:
Damage:
No
Temp:
--
Max. Voltage:
--
2
Output
O/L
264
6.6 hours
Current
fuse
(F1)
750
Observation:
Steady status, no
hazard. (transformer no damage)
Damage:
Damage:
No
Temp:
132
°C
Max. Voltage:
--
3
Transformer
Output
O/L
264
12.5 hours
Current
fuse
(F1)
778
Observation:
Steady status, no
hazard. (transformer no damage)
Damage:
Damage:
No
Temp:
140
°C
Max. Voltage:
--
4
D3
S
264
0.2 hour
Current
fuse
(F1)
150
Observation:
Unit shut down, no
hazard.
Damage:
Damage:
--
Temp:
--
Max. Voltage:
--
5
C7
S
264
0.2 hour
Current
fuse
(F1)
130
Observation:
Unit shut down, no
hazard.
Damage:
Damage:
--
Temp:
--
Max. Voltage:
--
6
U2 pin 3-4
S
264
0.2 hour
Current
fuse
(F1)
48
Observation:
Unit shut down, no
hazard.
Damage:
Damage:
No
Temp:
--
Max. Voltage:
--
7
U2 pin 1-2
S
264
0.2 hour
Current
fuse
(F1)
135
Observation:
Unit shut down, no
hazard.
Damage:
Damage:
No
Temp:
--
Max. Voltage:
35.6 Vpeak
8
U2 pin 2
O
264
0.2 hour
Current
fuse
(F1)
135
Observation:
Unit shut down, no
hazard.
Damage:
Damage:
--
Temp:
--
Max. Voltage:
35.6 Vpeak
9
U2 pin 3
O
264
0.2 hour
Current
fuse
(F1)
135
Observation:
Unit shut down, no
hazard.
Damage:
Damage:
--
Temp:
--
Max. Voltage:
35.6 Vpeak
10
T1 pin A-B
S
264
0.2 hour
Current
fuse
(F1)
130
Observation:
Unit shut down, no
hazard.
Damage:
Damage:
--
Temp:
--
Max. Voltage:
--
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