Schaffner EMV AG
Nordstrasse 11 CH-4542 Luterbach
T +41 32 681 66 26 F +41 32 681 66 30 www.schaffner.com
2004-176C
safety for electronic systems
Installation guidelines FN 3025 and FN 3026
Thank you for choosing Schaffner FN 3025/FN 3026 filters to solve your EMC challenges. Please
follow the guidelines below to ensure a satisfying and reliable filter function for many years of
operation.
1. General guidelines
Q
Mount the filter on a clean conductive surface (or DIN-rail) free of paint or lacquer.
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Install the filter as close as possible to the noise source, using short direct wire connections.
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Protect the filter from liquid, excessive dust and aggressive gases.
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Do not expose the filters to conditions beyond specifications in the datasheet.
2. Installation and electrical connection
FN 3025/FN 3026 are delivered with
closed plastic safety covers and
unfastened terminals. To install the
filter please proceed as follows:
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Mount the filter on a metal surface
with four appropriate screws and
washers or snap it onto a TS 35
DIN-rail.
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First connect the green/yellow wire
to the earth stud of the filter.
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Gently lift the two hinged plastic
covers.
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Connect phase wires with cable
lugs by pushing down and
tightening the screws.
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Please note the torque
recommendation on top of the
filter.
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Push the covers back into their
locked position to finish the filter
installation.
