Infinova V1492N-18N05, Operation Manual

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Appendix I Magnetic Ring Filter Instruction
To reduce electromagnetic interference that power supply generates, it is necessary to install a magnetic ring filter with the power cable.
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6WHS
Open the magnetic ring filter and lead the power cable through.
6WHS
Wire the power cable on the magnetic ring filter 3 rounds or more (Make sure the filter can be well closed).
6WHS
Close the magnetic ring filter.
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The magnetic ring filter should be installed no more than 50 mm away from the power output connector. As shown in Figure 3, the
cable length from A to B should be 50mm at most.
Figure 1 Closed magnetic ring filter Figure 2 Open magnetic ring filter
Figure 3 Power cable with magnetic ring filter