Installing Optional Power Components - SEW-Eurodrive MOVITRAC B Operating Instructions Manual

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4.3

Installing optional power components

Input contactor for several units
Connect a line choke for limiting the inrush current:
4.3.1
ND line choke
Connecting ND series line choke
4.3.2
NF line filter
NOTICE
Possible damage to property
No switching is permitted between the line filter and MOVITRAC
Connecting NF line filters
4.3.3
ULF11A folding ferrites
Place the supply system cable (L and N) in the folding ferrite and press the folding
ferrites together until they snap in place.
Compliance with EMC limit class C1 has been tested on a specified test setup.
Compliance with class C1 for signal interference is achieved by the proper installation
of ULF11A folding ferrites.
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Operating Instructions V3 – MOVITRAC® B
Installing optional power components
For 5 or more 3-phase units
For 2 or more 1-phase units
Using the NF line filter, you can maintain limit value class C1 / B with MOVITRAC
B sizes 0 to 4.
Consequences if disregarded: Damage to the input stage.
Install the line filter close to the inverter but outside the minimum clearance for
cooling.
Restrict the cable between the line filter and the inverter to the absolute minimum
length required, and never more than 400 mm (15.7 in). Unshielded, twisted cables
are sufficient.
Use also unshielded lines for the power supply cable.
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Installation
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