Read JBL ON STAGE III IIIP (serv.man2) EMC - CB Certificate online
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Page 45 of 77
TRF No.:IECEN60950_1B
TRF originator: SGS Fimko
Note(s):
Functional insulation shorted, see sub-clause 5.3.4.
2.10.5
TABLE: distance through insulation measurements
P
Distance through insulation di at/of:
U r.m.s.
(V)
Test voltage
(V)
Required di
(mm)
di
(mm)
Optocoupler (reinforced insulation)
250
3000
0.4
1)
Enclosure material (reinforced insulation)
250
3000
0.4
2.0
Note(s):
Further details are provided in table 1.5.1.
Test voltages are a.c.
4.5.1
TABLE: temperature rise measurements
P
test voltage (V) ..................................................... : a: 264 V, 50 Hz
b: 90 V, 60 Hz
t1 (°C) .................................................................. : --
t2 (°C) .................................................................. : --
Rise ∆T of part/at:
T (°C)
allowed T
max
(°C)
Test voltage:
(a)
(b)
--
Model DSA-20R-12 FEU 150204
Plug portion
48.2
50.6
--
T1 winding
83.5
82.8
110
T1 core
77.7
76.9
110
Linear Filter LF1 winding
64.3
80.3
130
PCB under Q1
82.0
82.8
130
PCB under D9
79.8
79.4
130
Electrolytic Capacitor C2
71.2
79.0
105
Opto-coupler U1
75.6
72.5
100
Primary lead wire
58.3
65.6
80
Output cord
58.5
58.2
80
Enclosure (inside)
60.2
60.9
--
Enclosure (outside)
46.2
46.4
95
Ambient
40.0
40.0
--
Model DSA-20R-12 FEU 102204
Plug portion
52.3
53.0
--
T1 winding
80.9
81.9
110
T1 core
83.4
83.8
110
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