Electrical installation
Power terminals
Mains connection
5
40
EDBCSXE040 EN 6.0
5.3.1 Mains connection
Important notes
ƒ Keep the cables between the RFI filter and the power supply module as short as
possible.
– Make sure that no short−circuit can occur!
ƒ Mains cables and ±U
G
cables must not contact each other.
ƒ When mains cables and ±U
G
cables are laid in parallel:
– Cable distance: > 150 mm
ƒ Cable length > 30 cm:
– Shield the cables between the RFI filter and the power supply module to comply
with the general EMC Directive.
ƒ With some 24 V switched−mode power supplies, the EMC limit values for the system
will only be met if the power supplies are connected to ECSZZ series RFI filters.
Please contact the manufacturer of the power supply unit on the compliance with
EMC limit values for conducted interference.
You must observe ...
the notes in the documentation on the ECSZZ series RFI filter!
Wiring variants for the ECSxE power supply module
00
0
1
2
3
3
44
4
3
02
3
4
02
3
4
1
ECSxE040
Fig. 5−2 Wiring variants for the ECSxE power supply module
Simple wiring
/
Wiring with mains chokes
Wiring with RFI filters
Power supply module ECSxE
Mains choke
RFI filter
Wiring of components
Mains cable
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