Siemens SIMOTICS T-1FW3 - Page 207

Technical data and characteristics
6.3 Data sheets and characteristics
1FW3 complete torque motors
Configuration Manual, 08/2020, A5E46027705B AA
205
Table 6- 26 1FW3203, rated speed 150 rpm
Engineering data
Code
Unit
1FW3203-1☐E
Rated speed
n
N
rpm
150
Rated torque (100 K)
M
N (100 K)
Nm
750
Rated power (100 K)
P
N (100 K)
kW
11.8
Rated current (100 K)
I
N (100 K)
A
31.0
Static torque (100 K)
M
0 (100 K)
Nm
790
Stall current (100 K)
I
0 (100 K)
A
32.0
Limiting data
Max. permissible speed (mech.)
n
max mech.
rpm
1000
Max. permissible speed (converter)
n
max Inv
rpm
370
Maximum torque
M
max
Nm
1390
Maximum current
I
max
A
69
Motor data
Number of poles
2p
28
Ratio of speed measurement
(belt-driven encoder)
i
enc
-- -3.5
Torque constant (100 K)
k
T(100 K)
Nm/A
24.5
Voltage constant (at 20 °C)
k
E
V/1000 rpm
1555
Winding resistance (at 20 °C)
R
ph
Ω
0.64
Rotating field inductance
L
D
mH
20
Electrical time constant
T
el
ms
31.5
Thermal time constant
T
th
min
12.0
Mechanical data: Hollow-shaft version
Mechanical time constant
T
mech
ms
1.6
Moment of inertia J
mot
kgm
2
0.49
Shaft torsional stiffness
c
t
Nm/rad
2.16E+07
Weight
m
kg
182
Mechanical data: Solid shaft version
Mechanical time constant
T
mech
ms
1.5
Moment of inertia
J
mot
kgm
2
0.46
Shaft torsional stiffness
c
t
Nm/rad
3.11E+06
Weight
m
kg
235
Mechanical data: Plug-on shaft version
Mechanical time constant
T
mech
ms
1.7
Moment of inertia
J
mot
kgm
2
0.52
Shaft torsional stiffness
c
t
Nm/rad
3.44E+07
Weight
m
kg
215
The specified rated data are valid for a 600 V DC link voltage