Siemens SIMOTICS S-1FK2 Series

Technical data and characteristics
6.3 Data sheets and characteristics
1FK2 synchronous motors for SINAMICS S120
92 Configuration Manual, 06/2019, A5E46927724B AB
6.3.3.4
1FK2308-4AB
Three-phase servo motor 1FK2308-4AB
Technical specifications in S120 system
Symbol
Unit
Value
Static torque M
0
Nm 22
Stall current
I
0
A
7.1
Maximum permissible speed (at converter)
n
max Inv
rpm
3000
Maximum torque
M
max
Nm
66
Maximum current
I
max
A
25
Thermal time constant
T
th
min
42
Moment of inertia
J
Mot
kg cm
2
69.1
Moment of inertia (with brake)
J
Mot Br
kg cm
2
74.4
Weight
m
Mot
kg
18.5
Weight (with brake)
m
Mot Br
kg
20.5
Rated data with S120, 3 AC 400 V/3 AC 480 V
Rated speed
n
N
rpm
1500
Rated torque
M
N
Nm
18.6
Rated current
I
N
A
6.4
Rated power
P
N
kW
2.9