Read Harman Kardon AVR 4550 EMC - CB Certificate online
-
IEC 60065, 6th edition : 1998
-
- Page 15 of 39 -
Order
No.
200245266
10 INSULATION
REQUIREMENTS
P
10.1
Insulation resistance (M
Ω
) at least
2 M
Ω
min. after surge test for basic
and 4 M
Ω
min. for reinforced
insulation
>4 M
Ω
P
10.2
Humidity treatment 48 h or 120 h
120 h (40
°
C). No impairment
P
10.3
Insulation resistance and dielectric
strength
strength
P
Tested insulation
Insulation
Test voltage
Voltage test
Remarks
resistance
based on the
(r.m.s.value)
(M Ohm)
Operating
Meas-
Min.
Voltage
ured
required
(V)
(V)
Between the poles
For rated mains
of the circuit
:
> 2
2
voltages
≤
150V
directly connected
r.m.s, 1410V pk
to the supply
mains
2
For rated mains
1500 V
Pass
voltages
≥
150V
r.m.s, 2120V pk
Basic insulation
:
2
Curve A,
V
Fig.
7
Supplementary
insulation
:
2
Curve A,
V
Fig.
7
Reinforced
insulation
:
> 100
4
Curve B,
3000 V
Pass
Fig.
7
11 FAULT
CONDITIONS
P
11.1
Electric shock hazard under fault
conditions
conditions
No electric shock hazard under fault conditions
P
11.2
Heating under fault condition
P
No hazard from softening solder
Neither danger of fire to surroundings nor abnormal
heat developed
heat developed
P
No flaming more than 10s
No flaming
P
11.2.1
Measurement of temperature rises
See appended table, fault condition tests
P
11.2.2
Temperature rise of accessible parts
See appended table, fault condition tests
P
11.2.3
Temperature rise of parts, other than
windings, providing electrical insulation
windings, providing electrical insulation
See appended table, fault condition tests
P
Temperature rise of printed circuit
boards (PCB) exceeding the limits of
Table 2 by max. 100 K for max. 5 min
boards (PCB) exceeding the limits of
Table 2 by max. 100 K for max. 5 min
No area where temperature exceeds 100K above
limits
limits
P
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