Siemens SIMOTICS T-1FW3 - Page 253

Technical data and characteristics
6.3 Data sheets and characteristics
1FW3 complete torque motors
Configuration Manual, 08/2020, A5E46027705B AA
251
Table 6- 49 1FW3208, rated speed 1200 rpm
Engineering data
Code
Unit
1FW3208-3☐S
Rated speed
n
N
rpm
1200
Rated torque (100 K)
M
N (100 K)
Nm
1700
Rated power (100 K)
P
N (100 K)
kW
215
Rated current (100 K)
I
N (100 K)
A
385
Static torque (100 K)
M
0 (100 K)
Nm
2100
Stall current (100 K)
I
0 (100 K)
A
470
Limiting data
Max. permissible speed (mech.)
n
max mech.
rpm
1800
Max. permissible speed (converter)
n
max Inv
rpm
2050
Maximum torque
M
max
Nm
3300
Maximum current
I
max
A
800
Motor data
Number of poles
2p
16
Ratio of speed measurement
(belt-driven encoder)
i
enc
-- -4
Torque constant (100 K)
k
T(100 K)
Nm/A
4.45
Voltage constant (at 20 °C)
k
E
V/1000 rpm
285
Winding resistance (at 20 °C)
R
ph
Ω
0.0085
Rotating field inductance
L
D
mH
0.22
Electrical time constant
T
el
ms
25.5
Thermal time constant
T
th
min
10
Mechanical data: Hollow-shaft version
Mechanical time constant
T
mech
ms
---
Moment of inertia J
mot
kgm
2
---
Shaft torsional stiffness
c
t
Nm/rad
---
Weight
m
kg
---
Mechanical data: Solid shaft version
Mechanical time constant
T
mech
ms
1.4
Moment of inertia
J
mot
kgm
2
1.11
Shaft torsional stiffness
c
t
Nm/rad
2.35E+06
Weight
m
kg
445
Mechanical data: Plug-on shaft version
Mechanical time constant
T
mech
ms
1.6
Moment of inertia
J
mot
kgm
2
1.24
Shaft torsional stiffness
c
t
Nm/rad
2.17E+0.6
Weight
m
kg
410
The specified rated data are valid for a 600 V DC link voltage