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Siemens Building Technologies
SED2 variable speed drives
CM1U5192en
HVAC Products
Electrical installation
01.2002
DC+
DC+
DC+
DC-
B-
R+
B+
B+
L3
U
V
W
L2
L1
PE
51
92
Z
08
4.3.5
Power connection for drives with a built-in EMC filter
The SED2 drives with frame sizes A, B, and C are delivered with built-in ready-wired
EMC footprint filters. Route the power supply to the terminals of the pre-installed
footprint filter.
L2
L3
L1
Incoming mains voltage
Ground
Filter output
5
1
92
J
1
5e
n
Filter
The SED2 drives with frame sizes D, E, and F are delivered with built-in ready-wired
EMC filters. Wire the power supply to the connections of the built-in filter. The diagrams
below show how to access the mains connections of the built-in filter.
Terminal layout:
Frame size F
Power connection to the
footprint filter for frame
sizes A to C
Power connection at the
integrated EMC filter for
frame sizes D to F