Siemens SIMOTICS T-1FW3 Configuration Manual page 257

Table 6- 51 1FW3281, rated speed 250 rpm
Engineering data
Rated speed
Rated torque (100 K)
Rated power (100 K)
Rated current (100 K)
Static torque (100 K)
Stall current (100 K)
Limiting data
Max. permissible speed (mech.)
Max. permissible speed (converter)
Maximum torque
Maximum current
Motor data
Number of poles
Ratio of speed measurement
(belt-driven encoder)
Torque constant (100 K)
Voltage constant (at 20 °C)
Winding resistance (at 20 °C)
Rotating field inductance
Electrical time constant
Thermal time constant
Mechanical data: Hollow-shaft version
Mechanical time constant
Moment of inertia
Shaft torsional stiffness
Weight
Mechanical data: Solid shaft version
Mechanical time constant
Moment of inertia
Shaft torsional stiffness
Weight
Mechanical data: Plug-on shaft version
Mechanical time constant
Moment of inertia
Shaft torsional stiffness
Weight
The specified rated data are valid for a 600 V DC link voltage
1FW3 complete torque motors
Configuration Manual, 08/2020, A5E46027705B AA
Code Unit
n rpm
N
M Nm
N (100 K)
P kW
N (100 K)
I A
N (100 K)
M Nm
0 (100 K)
I A
0 (100 K)
n rpm
max mech.
n rpm
max Inv
M Nm
max
I A
max
2p
i --
enc
k Nm/A
T(100 K)
k V/1000 rpm
E
R Ω
ph
L mH
D
T ms
el
T min
th
T ms
mech
J kgm
2
mot
c Nm/rad
t
m kg
T ms
mech
J kgm
2
mot
c Nm/rad
t
m kg
T ms
mech
J kgm
2
mot
c Nm/rad
t
m kg
Technical data and characteristics
6.3 Data sheets and characteristics
1FW3281-2☐G
250
2450
64
126
2550
131
1000
460
4050
225
20
-5
19.5
1245
0.104
4.0
38.0
10.0
3.1
3.8
1.32E+08
600
2.6
3.2
9.48E+06
750
3.0
3.6
1.52E+08
670
255