Beijer Electronics Frequency Inverter BFI-H3 KI00363D 2021-07
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4.9 EMC-filter
BFI contains an internal EMC-filter connected to earth. BFI with built-in EMC-filter must never be used
in systems were the 3-phase supplying net doesn’t have a neutral connected to earth, normally called IT-
net. IT-net is normally being used in all types of boats and also some parts of Norway.
In the rest of Europe TN-net is most common were EMC-filter can be used.
The EMC-filter on BFI IP20 and IP66 can be disconnected by removing a screw or screws depending on
drive size. Disconnecting of EMC-filter for BFI-H3 IP55 must be carried out by Beijer Electronics.
Size 2 and 3 Size 4 Size 5 Size 6A and 6B All IP66
Disconnect EMC filter by removing the marked screw or screws on IP20 and IP66.
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