SIEMENS
Selection and ordering
HT-direct motors 1FW4 water-cooled
2/8
Siemens D 86.2 · 2007
2
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Dimension drawings
Type
Dimensions
A
AA
AB
AD
1)
B
BA
BB
BC
BE
C
H
HA
HD
K
L
1FW4401
750
150
900
400
1120
260
1365
155
880
254
400
30
1180
35
1880
1FW4403
1FW4405
1FW4407
1FW4451
850
180
1030
400
1250
265
1515
165
975
280
450
30
1280
42
2090
1FW4453
1FW4455
1FW4503
950
180
1130
400
1400
300
1624
250
935
280
500
40
1385
42
2265
1FW4505
1FW4507
950
180
1130
400
1500
300
1782
135
628
315
500
40
1385
42
2415
1FW4508
Type
Dimensions for shaft extension according to DIN 748 “short”
Dimensions of cooling water connection
2)
D
E
F
GA
W
WA
WB
1FW4401
150
200
36
158
G3/4"
50
780
1FW4403
1FW4405
1FW4407
1FW4451
170
240
40
179
G1"
63
1175
1FW4453
1FW4455
1FW4503
190
280
45
200
G11/2"
85
1260
1FW4505
1FW4507
190
280
45
200
G11/2"
40
1440
1FW4508
BB
D
B
C
BC
G_D086_XX_00015a
BA
K
K
AA
A
E
H
HD
HA
WB
W
W
BE
L
F
GA
WA
AB
AD
1)
For 1XB1 631 terminal box.
2)
The cooling water connection is available on both sides (RHS and LHS of
motor).