A-10
A-4-3 Zero-phase Reactor
RF220X00A UNIT: mm (inch)
Recommended
Wire Size (mm
2
)
Cable
Type
(Note)
AWG mm
2
Nominal
(mm
2
)
Qty.
Wiring
Method
≤10 ≤5.3 ≤5.5 1
Figure A
Single-
core
≤2 ≤33.6 ≤38 4 Figure B
≤12 ≤3.3 ≤3.5 1
Figure A
Three-
core
≤1 ≤42.4 ≤50 4
Figure B
Figure A
Please wind each wire 4 times around the core.
The reactor must be put at inverter output as
close as possible.
NOTE
600V insulated power line.
1. The table above gives approximate wire size for the
zero phase reactors but the selection is ultimately
governed by the type and diameter of cable fitted i.e.
the cable must fit through the center hole of zero
phase reactors.
2. Only the phase conductors should pass through, not
the earth core or screen.
3. When long motor output cables are used an output
zero phase reactor may be required to reduce
radiated emissions from the cable.
Figure B
Please put all wires through 4 cores in series
without winding.
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