Siemens SIMOTICS T-1FW3, Configuration Manual

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Technical data and characteristics
6.3 Data sheets and characteristics
1FW3 complete torque motors
Configuration Manual, 08/2020, A5E46027705B AA
263
Table 6- 55 1FW3285, rated speed 250 rpm
Engineering data Code Unit 1FW3285-2 ☐ G
Rated speed n
N
rpm 250
Rated torque (100 K) M
N (100 K)
Nm 4950
Rated power (100 K) P
N (100 K)
kW 130
Rated current (100 K) I
N (100 K)
A 245
Static torque (100 K) M
0 (100 K)
Nm 5100
Stall current (100 K) I
0 (100 K)
A 250
Limiting data
Max. permissible speed (mech.)
n
max mech.
rpm 1000
Max. permissible speed (converter) n
max Inv
rpm 440
Maximum torque M
max
Nm 8150
Maximum current I
max
A 435
Motor data
Number of poles
2p 20
Ratio of speed measurement
(belt-driven encoder) i
enc
-- -5
Torque constant (100 K) k
T(100 K)
Nm/A 20.5
Voltage constant (at 20 °C) k
E
V/1000 rpm 1295
Winding resistance (at 20 °C) R
ph
Ω 0.045
Rotating field inductance L
D
mH 2.2
Electrical time constant T
el
ms 47.5
Thermal time constant T
th
min 14.0
Mechanical data: Hollow-shaft version
Mechanical time constant
T
mech
ms 2.0
Moment of inertia J
mot
kgm
2
6.0
Shaft torsional stiffness c
t
Nm/rad 8.47E+07
Weight m kg 860
Mechanical data: Solid shaft version
Mechanical time constant
T
mech
ms 2.0
Moment of inertia J
mot
kgm
2
6.1
Shaft torsional stiffness c
t
Nm/rad 9.32E+06
Weight m kg 1070
Mechanical data: Plug-on shaft version
Mechanical time constant
T
mech
ms 1.9
Moment of inertia J
mot
kgm 2 5.9
Shaft torsional stiffness c
t
Nm/rad 9.75E+07
Weight m kg 920
The specified rated data are valid for a 600 V DC link voltage