Siemens SIMOTICS S-1FK2 Series

Technical data and characteristics
6.3 Data sheets and characteristics
1FK2 synchronous motors for SINAMICS S120
84 Configuration Manual, 06/2019, A5E46927724B AB
6.3.2.8
1FK2208-4AC
Three-phase servo motor 1FK2208-4AC
Technical specifications in S120 system
Symbol
Unit
Value
Static torque M
0
Nm 22
Stall current
I
0
A
11.7
Maximum permissible speed (at converter)
n
max Inv
rpm
4600
Maximum torque
M
max
Nm
66
Maximum current
I
max
A
43.5
Thermal time constant
T
th
min
28
Moment of inertia
J
Mot
kg cm
2
38.8
Moment of inertia (with brake)
J
Mot Br
kg cm
2
44.4
Weight
m
Mot
kg
14.6
Weight (with brake)
m
Mot Br
kg
17.3
Rated data with S120, 3 AC 400 V/3 AC 480 V
Rated speed
n
N
rpm
2000
Rated torque
M
N
Nm
17
Rated current
I
N
A
9.3
Rated power
P
N
kW
3.55