Harman Kardon DVD 25 EMC - CB Certificate ▷ View online
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IEC 60065, 6th edition : 1998
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- Page 9 of 32 -
Order No. 200225249
8
CONSTRUCTIONAL
REQUIREMENTS WITH REGARD
TO THE PROTECTION AGAINST
ELECTRIC SHOCK
REQUIREMENTS WITH REGARD
TO THE PROTECTION AGAINST
ELECTRIC SHOCK
P
8.1
Conductive parts covered by
lacquer, paper, untreated textile
oxide films and beads etc.
considered to be bare
lacquer, paper, untreated textile
oxide films and beads etc.
considered to be bare
None
N
8.2
No shock hazard when changing
voltage setting device, fuse-links or
handling drawers etc.
voltage setting device, fuse-links or
handling drawers etc.
No voltage setting device.
Fuses located inside enclosure.
Fuses located inside enclosure.
P
8.3
Insulation of hazardous live parts not
provided by hygroscopic material
provided by hygroscopic material
No hygroscopic material.
P
8.4
No risk of electric shock following
the removal of a cover which can be
removed by hand
the removal of a cover which can be
removed by hand
No cover removable by hand.
P
8.5
Class I equipment
N
Basic insulation between hazardous
live parts and earthed accessible
parts
live parts and earthed accessible
parts
—
Resistors bridging basic insulation
complying with 14.1 a)
complying with 14.1 a)
—
Capacitors bridging basic insulation
complying with 14.2.1 a)
complying with 14.2.1 a)
—
Basic insulation bridged by
components complying with 14.3.4.3
components complying with 14.3.4.3
—
8.6
Class II equipment and Class II constructions within Class I equipment
P
Reinforced or double insulation
between hazardous live parts and
accessible parts
between hazardous live parts and
accessible parts
Complies with the requirements in clause 10 and 13.
P
Components bridging reinforced or
double insulation complying with
14.1 a) or 14.3
double insulation complying with
14.1 a) or 14.3
Basic and supplementary insulation
each being bridged by a capacitor
complying with 14.2.1 a)
each being bridged by a capacitor
complying with 14.2.1 a)
None
N
Reinforced or double insulation
being bridged by 2 capacitors in
series complying with 14.2.1 a)
being bridged by 2 capacitors in
series complying with 14.2.1 a)
None
N
Reinforced or double insulation
being bridged by a single capacitor
complying with 14.2.1 b)
being bridged by a single capacitor
complying with 14.2.1 b)
None
N
8.7
Basic insulation between parts at
35 V to 71 V (peak) a.c. or 60 V to
120 V d.c. and accessible parts
35 V to 71 V (peak) a.c. or 60 V to
120 V d.c. and accessible parts
Secondary voltages below 35V (peak) or 60V dc.
P
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IEC 60065, 6th edition : 1998
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- Page 10 of 32 -
Order No. 200225249
Reinforced or double insulation
between circuits operating at
voltages between 35 V and 71 V
(peak) a.c. or between 60 V and
120 V d.c. and hazardous live parts
at higher voltage
between circuits operating at
voltages between 35 V and 71 V
(peak) a.c. or between 60 V and
120 V d.c. and hazardous live parts
at higher voltage
N
Separation by Class II isolating
transformer
transformer
See 14.3.3-5
P
Separation by Class I transformer
N
Separation by earthed conductive
part
part
N
8.8
Basic or supplementary insulation
≥
0,4 mm (mm)
N
Reinforced insulation
≥
0,4 mm
(mm)
Insulation in transformer, see clause 14.3.3-5.
Insulation on power PCB min. 6.7mm
Insulation on power PCB min. 6.7mm
P
Thin sheet insulation used inside the enclosure
N
Basic or supplementary insulation,
at least two layers, each meeting
10.3
at least two layers, each meeting
10.3
—
Basic or supplementary insulation,
three layers any two of which meet
10.3
three layers any two of which meet
10.3
—
Reinforced insulation, two layers
each of which meet 10.3
each of which meet 10.3
—
Reinforced insulation, three layers
any two which meet 10.3
any two which meet 10.3
Thin sheet material used in Transformer
—
8.9
Primary wiring :
Adequate insulation between
internal hazardous live conductors
and accessible parts
Adequate insulation between
internal hazardous live conductors
and accessible parts
P
Secondary wiring :
Adequate insulation between
internal hazardous live parts and
conductors connected to accessible
parts
Adequate insulation between
internal hazardous live parts and
conductors connected to accessible
parts
P
8.10
Class II apparatus :
Double insulation between
conductors connected to the mains
and accessible parts
Double insulation between
conductors connected to the mains
and accessible parts
Live conductor double insulated, >0.4mm.
P
Class II apparatus :
Double insulation between
conductors connected to accessible
parts and the mains
Double insulation between
conductors connected to accessible
parts and the mains
Conductors safely secured away from hazardous live
parts.
Plastic cover over switch PCB protects secondary cable
from connector CN3 to front panel.
parts.
Plastic cover over switch PCB protects secondary cable
from connector CN3 to front panel.
P
8.11
Detaching of wires
P
No undue reduction of creepage or
clearance distances if wires become
detached
clearance distances if wires become
detached
Wires that could cause undue reduction in creepage or
clearance distances are:
Crimped into terminals in snap connectors
clearance distances are:
Crimped into terminals in snap connectors
P
Vibration test carried out
Considered
P
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IEC 60065, 6th edition : 1998
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- Page 11 of 32 -
Order No. 200225249
8.12
Adequate cross-sectional area of
internal wiring to mains socket-
outlets
internal wiring to mains socket-
outlets
No socket outlet
N
8.13
Adequate fastening of windows,
lenses, lamp covers etc. (push or
pull test 20 N for 10 s)
lenses, lamp covers etc. (push or
pull test 20 N for 10 s)
Display window adequately fastened. Tested with 20N
P
8.14
Adequate fastening of covers (push
or pull test 50 N, for 10 s)
or pull test 50 N, for 10 s)
Disc drawer
P
8.15
No risk of damage to the insulation
of internal wiring due to hot parts or
sharp edges
of internal wiring due to hot parts or
sharp edges
No risk of damage
P
8.16
Only special supply equipment can
be used
be used
N
9
ELECTRIC SHOCK HAZARD
UNDER NORMAL OPERATING
CONDITIONS
UNDER NORMAL OPERATING
CONDITIONS
P
9.1.1
Touch current expressed as
voltages U1 and U2 in Annex D
voltages U1 and U2 in Annex D
No terminal with open circuit voltage exceeding 35Vp
AC or 60V DC.
AC or 60V DC.
P
Location
Measured U1
V (peak)
V (peak)
Measured U1
V (DC)
V (DC)
Measured U2
V (peak)
V (peak)
Limits :
U1 Max 35V (peak)
U1 Max 1.0V (DC)
U2 Max 0.35V (peak)
U1 Max 35V (peak)
U1 Max 1.0V (DC)
U2 Max 0.35V (peak)
Mains pole - chassis
43.3 mV
37.5 mV
Mains pole - outputs
43.3 mV
37.5 mV
Discharge not exceeding 45
µ
C
N
Energy of discharge not exceeding
350 mJ
350 mJ
N
Test with test finger according to test
probe B of IEC 61 032 (20N)
probe B of IEC 61 032 (20N)
Access into enclosure when CD drawer is open but no
access to live parts.
access to live parts.
P
For class II constructions, test with
test probe 13 of IEC 61 032 (3N)
test probe 13 of IEC 61 032 (3N)
Access through holes in bottom plate but no access to
live parts.
live parts.
P
Clearances to circuits exceeding
1000V a.c. or 1500V d.c.
1000V a.c. or 1500V d.c.
N
9.1.2
No hazardous live shafts of knobs,
handlers or levers
handlers or levers
No live shafts
P
9.1.3
Ventilation holes tested by means of
4 mm x 100 mm test pin
4 mm x 100 mm test pin
Access through holes in the bottom plate but no access
to live parts.
to live parts.
P
9.1.4
Terminal devices tested with
1 mm x 20 mm test pin (10 N); test
probe 16 of IEC 61 032
1 mm x 20 mm test pin (10 N); test
probe 16 of IEC 61 032
No access.
P
Terminal devices tested with
1 mm x 100 mm straight wire (1 N);
test probe D of IEC 61 032
1 mm x 100 mm straight wire (1 N);
test probe D of IEC 61 032
Access to inside of enclosure through audio/video phono
outputs on the rear panel but no access to live parts.
outputs on the rear panel but no access to live parts.
P
9.1.5
Pre-set controls tested with
2.5 mm x 100 mm test pin (10 N);
test probe C of IEC 61 032
2.5 mm x 100 mm test pin (10 N);
test probe C of IEC 61 032
No preset controls
N
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IEC 60065, 6th edition : 1998
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- Page 12 of 32 -
Order No. 200225249
9.1.6
No shock hazard due to stored
charge on withdrawal of the mains
plug; voltage (V) after 2 s
charge on withdrawal of the mains
plug; voltage (V) after 2 s
C = 0.2uF. Discharge resistor 390k.
Calculated discharge of stored charge:
0.2uF x 390k x 5 = 390ms
Calculated discharge of stored charge:
0.2uF x 390k x 5 = 390ms
P
If C is not greater than 0,1
µ
F no test
needed
C>0.1uF
P
9.1.7
Enclosure sufficiently resistant to external force
P
Test probe 11 of IEC 61 032 for 10 s
(50 N)
(50 N)
Enclosure does not become live.
P
Test hook of fig. 4 for 10 s (20 N)
No live part accessible
P
Conductive enclosures :
30 mm diameter test tool for 5 s
(100 or 250 N)
30 mm diameter test tool for 5 s
(100 or 250 N)
100N test. No damage.
P
9.2
No hazard 2s after removing a cover
by hand
by hand
Cover adequately secured by screws.
P
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
N
10.2
Humidity treatment 48 h or 120 h
Tested for both 48 and 120hours
P
10.3
Insulation resistance and dielectric
strength
strength
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
:
>10
2
voltages
≤
150V
1000V
Pass
directly connected
r.m.s, 1410V pk
to the supply
mains
For rated mains
>10
2
voltages
≥
150V
1500V
Pass
r.m.s, 2120V pk
Basic insulation
:
2
Curve A,
Fig. 7
Supplementary
insulation
:
2
Curve A,
Fig. 7
Reinforced
insulation
:
>10
4
Curve B,
3000V
Pass
Fig. 7
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