Safety Information

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Report No.: 50261218 001
IEC 60950-1
Clause
Requirement + Test
Result - Remark
Verdict
TRF No. IEC60950_1G
Q1 S-D
S-C
240
1s
F1
0
Fuse opened
immediately, no hazard.
Q1 G-D
S-C
240
1s
F1
0
Fuse opened
immediately, no hazard.
U2 Pin 1-2
S-C
240
10mins
F1
0.02
Unit shutdown
immediately, no damage,
no hazard.
U2 Pin 3-4
S-C
240
10mins
F1
0.02
Unit shutdown
immediately, no damage,
no hazard.
U2 Pin 1
O-C
240
10mins
F1
0.02
Unit shutdown
immediately, no damage,
no hazard.
U2 Pin 3
O-C
240
10mins
F1
0.02
Unit shutdown
immediately, no damage,
no hazard.
Output
S-C
240
10mins
F1
0.02
Unit shutdown
immediately, no damage,
no hazard.
Output
O-L
240
5hrs
51mins.
F1
0.888→
0.896→
0.996→
0.02
Unit steady state 4.63A.
increase to
4.65
A. Unit
shut down immediately.
Maximum temperature:
T1 winding:
108.4°C
T1 core:
101.4°C
Ambient:
27.0°C
No hazards.
Notes: The unit passed 3000V hi-pot test between primary and accessible output connector after single fault
test above.
1.
In fault column, S-C=Short Circuit, O-C=Open Circuit.
2. Transformer winding and core temperature limit is 165
°
C (175-10).