Read Harman Kardon HK 990 (serv.man4) EMC - CB Certificate online
Page 24 of 50
Report No. 902952-1
IEC
60065
Clause
Requirement – Test
Result - Remark
Verdict
TRF No.: IEC60065F
TRF Originator: ASTA BEAB
Winding temperature rise measurements
Ambient temperature t1 (
o
C) .............................
Ambient temperature t2 (
o
C) .............................
23
24
—
—
—
—
Temperature rise dT of winding:
dT = (R
dT = (R
2
– R
1
) x (234.5 + t1) – (t2 – t1)
R
1
R
1
(Ω)
R
2
(Ω)
dT (K)
Limit
maxK)
Insulation class
T1 prim. winding (stand-by transf.)
1720
1920
29
70
Class A
T4 prim. winding (connected at CN9)
20.0
23.0
37
70
Class A
T2 prim. winding (connected at CN8)
1.4
1.6
36
70
Class A
T3 prim. winding (connected at CN7)
1.4
1.6
36
70
Class A
9.1
Shock Hazard
P
Under normal operating conditions: > 35Vpk ac / 60V dc
Notes: Reference Annex D
Notes: Reference Annex D
-
CLASS I: (single phase)
AC
DC
U1: - Vpk
- mA rms
U1: - V
- mA
U2: - Vpk
- mA rms
CLASS II: (single phase)
U1: 0.5 Vpk
- mA rms
U1: - V
- mA
U2: 0.1 Vpk
0.14 mA rms
Click on the first or last page to see other HK 990 (serv.man4) service manuals if exist.