Read Harman Kardon AVR 5550 (serv.man11) EMC - CB Certificate online
-
IEC 60065, 6th edition : 1998
-
- Page 10 of 40 -
Order
No.
200245265
HEATING (continued)
P
Other measured parts
∆
t measured
at 207V
∆
t measured
at 254,4V
∆
t allowed *)
Power TR, Q437 body
53,8
63,4
-
PWB near Q437
51,6
59,3
85
Fan 1, body (inner)
22,4
24,0
60
Fan 2, body (outer)
37,0
41,6
60
Main
heat-sink
42,6 47,3 -
Appliance inlet body
12,1
13,2
60
Top enclosure above main heat-sink
17,1
18,1
40
Top enclosure above main transformer
3,2
3,6
40
Switch
button
0,9 2,4 50
Comments
No other parts were observed to create any hazard due to temperature rise.
P
*) Temperature rise limits for Singapore is 10K less.
P
7.2
Softening temperature of insulating
material supporting parts
conductively connected to the mains
carrying a current > 0,2 A at least
150
material supporting parts
conductively connected to the mains
carrying a current > 0,2 A at least
150
°
C
No temperature measured during heating test and fault
cond. tests requires this test (7.2) to be performed.
cond. tests requires this test (7.2) to be performed.
N
Tested parts
Temperature
under normal
operating con-
ditions (°C)
Temperature
under fault
conditions
(°C)
Softening
temperature
(°C)
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