Harman Kardon SoundSticks II EMC - CB Certificate ▷ View online
Page 10 of 91
ST-05368
IEC 60950-1 / EN 60950-1
Clause
Requirement – Test
Result – Remark
Verdict
TRF No.: IECEN60950_1A
Note:
Model NU40-2100400-I3:
The measurement is conducted between the output connector and earth.
Voltage = 0.73 Vpeak, Frequency = 60 Hz, Current = 0.365 mA, Limit = 0.7 mA;
Voltage = 1.22 Vpeak, Frequency = 60 kHz, Current = 0.61 mA, Limit = 42 mA (0.7
× 60).
The measurement is conducted between CY1 secondary and earth.
Voltage = 0.75 Vpeak, Frequency = 60 Hz, Current = 0.375mA, Limit = 0.7 mA;
Voltage = 1.4 Vpeak, Frequency = 60 kHz, Current = 0.7 mA, Limit = 42 mA (0.7 x 60).
Model NU40-2240050-I3:
The measurement is conducted between the output connector and earth.
Voltage = 0.88 Vpeak, Frequency = 60 Hz, Current = 0.44 mA, Limit = 0.7 mA;
Voltage = 1.24 Vpeak, Frequency = 60 kHz, Current = 0.62 mA, Limit = 42 mA (0.7
× 60).
The measurement is conducted between CY1 secondary and earth.
Voltage = 0.96 Vpeak, Frequency = 60 Hz, Current = 0.48mA, Limit = 0.7 mA;
Voltage = 1.47 Vpeak, Frequency = 60 kHz, Current = 0.735 mA, Limit = 42 mA (0.7 x 60).
Model NU40-2050400-I3:
The measurement is conducted between the output connector and earth.
Voltage = 0.67 Vpeak, Frequency = 60 Hz, Current = 0.335 mA, Limit = 0.7 mA;
Voltage = 1.1 Vpeak, Frequency = 60 kHz, Current = 0.55 mA, Limit = 42 mA (0.7
× 60).
The measurement is conducted between CY1 secondary and earth.
Voltage = 0.72 Vpeak, Frequency = 60 Hz, Current = 0.36mA, Limit = 0.7 mA;
Voltage = 1.17 Vpeak, Frequency = 60 kHz, Current = 0.585 mA, Limit = 42 mA (0.7 x 60).
Page 11 of 91
ST-05368
IEC 60950-1 / EN 60950-1
Clause
Requirement – Test
Result – Remark
Verdict
TRF No.: IECEN60950_1A
2.5
Limited power sources
Inherently limited output
P
Impedance limited output
N/A
Overcurrent protective device limited output
N/A
Regulating network limited output under normal
operating and single fault condition
operating and single fault condition
P
Regulating network limited output under normal
operating conditions and overcurrent protective
device limited output under single fault condition
operating conditions and overcurrent protective
device limited output under single fault condition
N/A
Output voltage (V), output current (A), apparent
power (VA) .........................................................:
power (VA) .........................................................:
See the Note below
Current rating of overcurrent protective device (A)
Note:
The output of the power supply complies with the requirement of inherently Limited Power Source.
Model: NU40-2240050-I3
Limits: Isc
≤ 8.0 A, S ≤ 100 VA.
Measured Uoc = 24.41 Vdc, Isc = 3.3 A, S = 57.19 VA (23.83 Vdc
× 2.4 A), under the maximum normal
operation
Limits: Isc
≤ 8.0 A, S ≤ 100 VA.
Measured Uoc = 24.29 Vdc, Isc = 3.2 A, S = 57.24 VA (23.85 Vdc
× 2.4 A), under the single fault condition of
U2 (pin1 – pin2) shorted (the worst case).
Model: NU40-2100400-I3
Limits: Isc
≤ 8.0 A, S ≤ 51.55 VA (5 x Uoc).
Measured Uoc = 10.31 Vdc, Isc = 5.24 A, S = 40.17 VA (9.13 Vdc
× 4.4 A), under the maximum normal
operation
Limits: Isc
≤ 8.0 A, S ≤ 51.45 VA (5 x Uoc).
Measured Uoc = 10.29 Vdc, Isc = 5.2 A, S = 41.62 VA (9.46 Vdc
× 4.4 A), under the single fault condition of
U2 (pin1 – pin2) shorted (the worst case).
Model: NU40-2050400-I3
Limits: Isc
≤ 8.0 A, S ≤ 26.0 VA (5 x Uoc).
Measured Uoc = 5.2 Vdc, Isc = 6.9 A, S = 21.53 VA (4.58 Vdc
× 4.7 A), under the maximum normal
operation
Limits: Isc
≤ 8.0 A, S ≤ 25.5 VA (5 x Uoc).
Measured Uoc = 5.1 Vdc, Isc = 6.8 A, S = 21.76 VA (4.63 Vdc
× 4.7 A), under the single fault condition of U2
(pin1 – pin2) shorted (the worst case).
Page 12 of 91
ST-05368
IEC 60950-1 / EN 60950-1
Clause
Requirement – Test
Result – Remark
Verdict
TRF No.: IECEN60950_1A
2.6
Provisions for earthing and bonding
2.6.1
Protective earthing
Class II equipment
N/A
2.6.2 Functional
earthing
N/A
2.6.3
Protective earthing and protective bonding
conductors
conductors
N/A
2.6.3.1 General
N/A
2.6.3.2
Size of protective earthing conductors
N/A
Rated current (A), cross-sectional area (mm
2
),
AWG.................................................................... :
2.6.3.3
Size of protective bonding conductors
N/A
Rated current (A), cross-sectional area (mm
2
),
AWG.................................................................... :
2.6.3.4
Resistance (
Ω) of earthing conductors and their
terminations, test current (A)............................... :
N/A
2.6.3.5 Colour
of
insulation ............................................. : N/A
2.6.4 Terminals
N/A
2.6.4.1 General
N/A
2.6.4.2
Protective earthing and bonding terminals
N/A
Rated current (A), type and nominal thread
diameter (mm)..................................................... :
diameter (mm)..................................................... :
2.6.4.3
Separation of the protective earthing conductor
from protective bonding conductors
from protective bonding conductors
N/A
2.6.5
Integrity of protective earthing
N/A
2.6.5.1
Interconnection of equipment
N/A
2.6.5.2
Components in protective earthing conductors
and protective bonding conductors
and protective bonding conductors
N/A
2.6.5.3
Disconnection of protective earth
N/A
2.6.5.4
Parts that can be removed by an operator
N/A
2.6.5.5
Parts removed during servicing
N/A
2.6.5.6 Corrosion
resistance
N/A
2.6.5.7
Screws for protective bonding
N/A
2.6.5.8
Reliance on telecommunication network or cable
distribution system
distribution system
N/A
Page 13 of 91
ST-05368
IEC 60950-1 / EN 60950-1
Clause
Requirement – Test
Result – Remark
Verdict
TRF No.: IECEN60950_1A
2.7
Overcurrent and earth fault protection in primary circuits
2.7.1
Basic requirements
Integral part of equipment
P
Instructions when protection relies on building
installation
installation
N/A
2.7.2
Faults not covered in 5.3
N/A
2.7.3 Short-circuit
backup
protection
Building installation is
considered as the short-circuit
backup protection
considered as the short-circuit
backup protection
P
2.7.4
Number and location of protective devices ........ : One current fuse (F1) is located
in the Line pole of primary
circuit
circuit
P
2.7.5
Protection by several devices
Only one protection device
N/A
2.7.6
Warning to service personnel ............................. : The EUT is not such kinds of
design
N/A
2.8 Safety
interlocks
2.8.1
General principles
No safety interlock or similar
devices used within the EUT
devices used within the EUT
N/A
2.8.2 Protection
requirements
N/A
2.8.3 Inadvertent
reactivation
N/A
2.8.4 Fail-safe
operation
N/A
2.8.5 Moving
parts
N/A
2.8.6 Overriding
N/A
2.8.7
Switches and relays
N/A
2.8.7.1 Contact
gaps (mm) ............................................. :
N/A
2.8.7.2 Overload
test
N/A
2.8.7.3 Endurance
test
N/A
2.8.7.4
Electric strength test
N/A
2.8.8 Mechanical
actuators
N/A
2.9 Electrical
insulation
2.9.1
Properties of insulating materials
Natural rubber, hygroscopic
materials or asbestos are not
used
materials or asbestos are not
used
P
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