Read Harman Kardon DVD 25 EMC - CB Certificate online
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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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