Hitachi AN072803-1, Примечание к применению

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2. Ferrite Core
A ferrite core is required to meet class B limits.
Model Name Model Code Applicable EMI filters Weight kg(lbs.)
FC-H40 1694-6330 NF-CEH7 to NF-CEH40 0.15(0.33)
FC-H300 1694-6331 NF-CEH50 to NF-CEH300 0.25(0.55)
3. Conformity to EMC Directive
Model Name EMC Class B Limits EMC Class A Limits
SJ300 Yes with NF-CE Filter and Ferrite Core Yes with NF-CE Filter
L300P Yes with NF-CE Filter and Ferrite Core Yes with NF-CE Filter
4. Connection Diagrams
Ferrite Core *1
Inverter
Motor
IM
NF-CE
*2
L1’
L2’
L3’
L1
L2
L3
U(T1)
V(T2)
W(T3)
R(L1)
S(L2)
T(L3)
Power
Supply
Note 1: A ferrite core is required to meet EMC class B limits.
Note 2: Use shielded wires between the inverter and the motor, and be sure not to exceed 20m
(22yd).
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