JBL ENCOUNTER (serv.man4) EMC - CB Certificate ▷ View online
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Report No. 27772
TRF No.:IECEN60950_1B
2.10.4
Creepage distances
Class III equipment, only
Functional insulation used.
Functional insulation used.
N/A
CTI tests ......................................................... :
—
2.10.5
Solid insulation
N/A
2.10.5.1
Minimum distance through insulation
N/A
2.10.5.2
Thin sheet material
Class III equipment, only
Functional insulation used.
Functional insulation used.
N/A
Number of layers (pcs) .................................... :
—
Electric strength test
—
2.10.5.3
Printed boards
PCB does not serve as insulation
barrier.
barrier.
N/A
Distance through insulation
—
Electric strength test for thin sheet insulating
material
material
—
Number of layers (pcs) .................................... :
—
2.10.5.4
Wound components
N/A
Number of layers (pcs) .................................... :
—
Two wires in contact inside wound component;
angle between 45
angle between 45
°
and 90
°
..............................:
—
2.10.6
Coated printed boards
No special coating in order to
reduce distances.
reduce distances.
N/A
2.10.6.1
General
Refer below:
N/A
2.10.6.2
Sample preparation and preliminary inspection
—
2.10.6.3
Thermal cycling
—
2.10.6.4
Thermal ageing (
°
C) ........................................:
—
2.10.6.5
Electric strength test
N/A
2.10.6.6
Abrasion resistance test
—
Electric strength test
—
2.10.7
Enclosed and sealed parts................................:
No enclosed or hermetically
sealed components.
sealed components.
N/A
Temperature T
1
=T
2
= T
ma
– T
amb
+10K (
°
C) ........:
—
2.10.8
Spacings filled by insulating compound .............:
No components treated/filled with
insulation compound.
insulation compound.
—
Electric strength test
—
2.10.9
Component external terminations
N/A
2.10.10
Insulation with varying dimensions
No such transformer used.
N/A
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Report No. 27772
TRF No.:IECEN60950_1B
3
WIRING, CONNECTIONS AND SUPPLY
—
3.1
General
—
3.1.1
Current rating and overcurrent protection
Class III equipment powered by
Limited Power Source.
Limited Power Source.
N/A
3.1.2
Protection against mechanical damage
Wireways are smooth and free
from edges. Wires are
adequately fixed to prevent
excessive strain on wire and
terminals and avoiding damage to
the insulation of the conductors.
from edges. Wires are
adequately fixed to prevent
excessive strain on wire and
terminals and avoiding damage to
the insulation of the conductors.
P
3.1.3
Securing of internal wiring
Refer to Sub-clause 3.1.2.
P
3.1.4
Insulation of conductors
Only internal wiring at SELV
levels.
levels.
P
3.1.5
Beads and ceramic insulators
No beads or similar ceramic
insulators on conductors.
insulators on conductors.
N/A
3.1.6
Screws for electrical contact pressure
No screws used for electrical
contact.
contact.
N/A
3.1.7
Insulating materials in electrical connections
No contact pressure through
insulating material.
insulating material.
N/A
3.1.8
Self-tapping and spaced thread screws
Thread-cutting or space thread
screws are not used for electrical
connections.
screws are not used for electrical
connections.
N/A
3.1.9
Termination of conductors
Class III equipment powered by
Limited Power Source.
Limited Power Source.
N/A
10 N pull test
N/A
3.1.10
Sleeving on wiring
Sleeves are not used as
supplementary insulation.
supplementary insulation.
N/A
3.2
Connection to an a.c. mains supply or a d.c.
mains supply
mains supply
Class III equipment.
N/A
3.2.1
Means of connection ....................................... :
Refer below:
—
3.2.1.1
Connection to an a.c. mains supply
The equipment is not for direct
connection to an a.c. mains
supply.
connection to an a.c. mains
supply.
N/A
3.2.1.2
Connection to a d.c. mains supply
The equipment is not for
connection to a d.c. mains
supply.
connection to a d.c. mains
supply.
N/A
3.2.2
Multiple supply connections
N/A
3.2.3
Permanently connected equipment
The equipment is not intended
for permanent connection to the
mains.
for permanent connection to the
mains.
N/A
- Page 19 of 51 -
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Report No. 27772
TRF No.:IECEN60950_1B
Number of conductors, diameter (mm) of cable
and conduits .................................................. :
and conduits .................................................. :
—
3.2.4
Appliance inlets
N/A
3.2.5
Power supply cords
Refer below:
—
3.2.5.1
AC power supply cords
N/A
Type............................................................... :
—
Rated current (A), cross-sectional area (mm
2
),
AWG..............................................................:
—
3.2.5.2
DC power supply cords
The equipment is not for
connection to a d.c. supply.
connection to a d.c. supply.
N/A
3.2.6
Cord anchorages and strain relief
N/A
Mass of equipment (kg), pull (N) .....................:
—
Longitudinal displacement (mm) .......................:
—
3.2.7
Protection against mechanical damage
No sharp points or cutting edges
on the equipment surfaces.
on the equipment surfaces.
N/A
3.2.8
Cord guards
The equipment is neither hand-
held nor intended to be moved
during operation.
held nor intended to be moved
during operation.
N/A
D (mm); test mass (g) .....................................:
—
Radius of curvature of cor d (mm)......................:
—
3.2.9
Supply wiring space
N/A
3.3
Wiring terminals for connection of external
conductors
conductors
Class III equipment.
N/A
3.3.1
Wiring terminals
No screw terminals are used.
N/A
3.3.2
Connection of non-detachable power supply cords
N/A
3.3.3
Screw terminals
N/A
3.3.4
Conductor sizes to be connected
Refer below:
—
Rated current (A), cord/cable type, cross-sectional
area (mm
area (mm
2
)...................................................... :
N/A
3.3.5
Wiring terminal sizes
Refer below:
—
Rated current (A), type and nominal thread
diameter (mm) ................................................ :
diameter (mm) ................................................ :
N/A
3.3.6
Wiring terminal design
Class III equipment.
N/A
3.3.7
Grouping of wiring terminals
Class III equipment.
N/A
3.3.8
Stranded wire
N/A
- Page 20 of 51 -
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Report No. 27772
TRF No.:IECEN60950_1B
3.4
Disconnection from the mains supply
Class III equipment.
N/A
3.4.1
General requirement
See Sub-clause 3.4.2.
N/A
3.4.2
Disconnect devices
N/A
3.4.3
Permanently connected equipment
Not permanently connected
equipment.
equipment.
N/A
3.4.4
Parts which remain energized
N/A
3.4.5
Switches in flexible cords
N/A
3.4.6
Single-phase equipment and d.c. equipment
N/A
3.4.7
Three-phase equipment
N/A
3.4.8
Switches as disconnect devices
N/A
3.4.9
Plugs as disconnect devices
N/A
3.4.10
Interconnected equipment
No interconnections using
hazardous voltages.
hazardous voltages.
N/A
3.4.11
Multiple power sources
N/A
3.5
Interconnection of equipment
—
3.5.1
General requirements
—
3.5.2
Types of interconnection circuits .......................:
SELV circuit.
P
3.5.3
ELV circuits as interconnection circuits
No ELV interconnections.
N/A
4
PHYSICAL REQUIREMENTS
—
4.1
Stability
P
Angle of 10
°
Unit does not overbalance at 10°.
P
Test: force (N) ..................................................:
The unit has a mass less than
25kg.
25kg.
N/A
4.2
Mechanical strength
Equipment is powered by a
Limited Power Source, no
hazardous voltages, no energy
hazard, no moving parts that
could be exposed as a result of
testing; no tests conducted.
Limited Power Source, no
hazardous voltages, no energy
hazard, no moving parts that
could be exposed as a result of
testing; no tests conducted.
N/A
4.2.1
General
—
4.2.2
Steady force test, 10 N
—
4.2.3
Steady force test, 30 N
—
4.2.4
Steady force test, 250 N
—
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