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Page 11 of 99
ST-06153
IEC 60950-1 / EN 60950-1
Clause
Requirement – Test
Result – Remark
Verdict
TRF No.: IECEN60950_1A
Note:
The output of the power supply complies with the requirement of inherently Limited Power Source.
Model MU15-C033280-C5:
Limits: Isc
≤ 8.0 A, S ≤ 17.40 VA (5 x Uoc).
Measured Uoc = 3.48 Vdc, Isc = 4.15 A, S = 11.5 VA (2.77 Vdc
× 4.15 A), under the maximum normal
operation (the worst case include single faults).
Model MU15-C060250-C5:
Limits: Isc
≤ 8.0 A, S ≤ 30.25 VA (5 x Uoc).
Measured Uoc = 6.05 Vdc, Isc = 4.17 A, S = 22.6 VA (5.42 Vdc
× 4.17 A), under the maximum normal
operation (the worst case include single faults).
Model MU15-C240010-C5:
Limits: Isc
≤ 8.0 A, S ≤ 100 VA. (5 x Uoc).
Measured Uoc = 24.04 Vdc, Isc = 1.83 A, S = 43.4 VA (23.71 Vdc
× 1.83 A), under the maximum normal
operation (the worst case include single faults).
Page 12 of 99
ST-06153
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
Page 13 of 99
ST-06153
IEC 60950-1 / EN 60950-1
Clause
Requirement – Test
Result – Remark
Verdict
TRF No.: IECEN60950_1A
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
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
Page 14 of 99
ST-06153
IEC 60950-1 / EN 60950-1
Clause
Requirement – Test
Result – Remark
Verdict
TRF No.: IECEN60950_1A
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
2.9.2
Humidity conditioning
See remark below
P
Humidity
(%) .......................................................: 93
Temperature (
°C) ...............................................: 40
2.9.3
Grade of insulation
Considered
P
Remark:
40
°C, 93 %, 120 hours (The apparatus intended to be used in tropical conditions).
2.10
Clearances, creepage distances and distances through insulation
2.10.1 General
P
2.10.2
Determination of working voltage
See the note on pages 15 and
16
16
P
2.10.3 Clearances
P
2.10.3.1 General
P
2.10.3.2
Clearances in primary circuit
(see appended tables 2.10.3
and 2.10.4)
and 2.10.4)
P
2.10.3.3
Clearances in secondary circuits
N/A
2.10.3.4
Measurement of transient voltage levels
N/A
2.10.4
Creepage distances
(see appended tables 2.10.3
and 2.10.4)
and 2.10.4)
P
CTI
tests.............................................................. : Considered as Material Group
IIIb
2.10.5 Solid
insulation
P
2.10.5.1
Minimum distance through insulation
Approved optocoupler (U2)
(see also appended table 1.5.1)
(see also appended table 1.5.1)
P
2.10.5.2
Thin sheet material
P
Number of layers (pcs)........................................ : (see appended table 2.10.5)
Electric strength test
(see appended table 2.10.5)
2.10.5.3 Printed
boards
N/A
Distance through insulation
N/A
Electric strength test for thin sheet insulating
material
material
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