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Report No. 46974
TRF No.:IECEN60950_1B
5.3
TABLE: fault condition tests
P
ambient temperature (
°C) ....................................: 25
—
model/type of power supply .................................: N/A
—
manufacturer of power supply .............................: N/A
—
rated markings of power supply ..........................: N/A
—
component
No.
No.
fault
test voltage
(V)
test time fuse
No.
Current
(A)
result
1 Acoustic
port
blocked
18 V dc
2.5 h
—
0.395
No hazard. No significant
rise in temperatures.
rise in temperatures.
supplementary information:
s-c=short circuit, o-c=open circuit, o-l=overload
C.2 TABLE:
transformers
N/A
Loc.
Tested insulation
Working
voltage
peak / V
(2.10.2)
voltage
peak / V
(2.10.2)
Working
voltage
rms / V
(2.10.2)
voltage
rms / V
(2.10.2)
Required
electric
strength
(5.2)
electric
strength
(5.2)
Required
clearance /
mm
(2.10.3)
clearance /
mm
(2.10.3)
Required
creepage
distance /
mm
(2.10.4)
creepage
distance /
mm
(2.10.4)
Required
distance
thr. insul.
(2.10.5)
distance
thr. insul.
(2.10.5)
Loc.
Tested insulation
Test
voltage/
V
voltage/
V
Measured
clearance /
mm
clearance /
mm
Measured
creepage
dist./ mm
creepage
dist./ mm
Measured
distance
thr. insul. /
mm;
number of
layers
distance
thr. insul. /
mm;
number of
layers
supplementary information:
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