Installation Instructions
Document No. 129-371
April 20, 2007
SED2 Variable Frequency Drives
Item Number 129-371, Rev. BA http://www.sbt.siemens.com/hvp/drives Page 1 of 8
Product Description
SED2 Variable Frequency Drives (VFDs) control
pumps and fans in HVAC applications.
Product Numbers
SED2… Variable Frequency Drives (VFDs)
Frame Sizes and Power Ratings
SED2 IP20 and NEMA Type 1 frame sizes and
power ranges are as follows:
HP 4321.51.7.5 5 7.5 403025201510 125100756050
kW 32.21.51.1.75.5.37 4 5.5 30221915117.5 9075554537
240V
480V575V
A BC DE
F
F
C
ED
A BC
SED2 IP54/NEMA Type 12 frame sizes and power
ranges are as follows:
HP 4321.51.7.5 5 7.5 403025201510 125100756050
kW 32.21.51.1.75.5.37 4 5.5 30221915117.5 9075554537
480V575V
C
B
E
C
D F
Warning/Caution Notations
WARNING:
Personal injury/loss of life may
occur if you do not follow the
procedures as specified.
CAUTION:
Equipment damage, or loss of
data may occur if you do not
follow the procedures as
specified.
Table 1. SED2 Full Load Amp (FLA) Ratings.
Output Rating Output Current Max (amps)
HP kW
208V and
230V to
240V
(3-Phase)
380V to
480V
(3-Phase)
500V to
600V
(3-Phase)
0.5 0.37 2.3 1.2 —
0.75 0.55 3.0 1.6 —
1.0 0.75 3.9 2.1 1.4
1.5 1.1 5.5 3.0 2.1
2.0 1.5 7.4 4.0 2.7
3.0 2.2 10.4 5.9 3.9
4.0 3.0 13.6 7.7 5.4
5.0 4.0 17.5 10.2 6.1
7.5 5.5 22.0 13.2 9.0
10.0 7.5 28.0 18.4 11.0
15.0 11.0 42.0 26.0 17.0
20.0 15.0 54.0 32.0 22.0
25.0 18.5 68.0 38.0 27.0
30.0 22.0 80.0 45.0 32.0
40.0 30.0 104.0 62.0 41.0
50.0 37.0 130.0 75.0 52.0
60.0 45.0 154.0 90.0 62.0
75.0 55.0 — 110.0 77.0
100.0 75.0 — 145.0 99.0
125.0 90.0 — 178.0 125.0
Required Tools
See Mounting and Dimensions to determine correct
tool sizing.
Expected Installation Time
15 minutes
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