Technical data and characteristics
6.3 Data sheets and characteristics
1FT2 synchronous motors for SINAMICS S120
Configuration Manual, 03/2021, A5E50645584B AA
81
6.3.1.4
1FT2105-4AF
Three-phase servo motor 1FT2105-4AF
Technical specifications in S120 system
Symbol
Unit
Value
Static torque
M
0
Nm
5
Stall current
I
0
A
4.65
Maximum permissible speed (at converter)
n
max Inv
rpm
7400
Maximum torque
M
max
Nm
15
Maximum current
I
max
A
18
Thermal time constant
T
th
min
37
Moment of inertia
J
Mot
kg cm
2
1.71
Moment of inertia (with brake)
J
Mot Br
kg cm
2
2.55
Weight
m
Mot
kg
5.6
Weight (with brake)
m
Mot Br
kg
6.6
Rated data with S120, 3 AC 400 V / 3 AC 480 V
Rated speed
n
N
rpm
3000
Rated torque
M
N
Nm
4.6
Rated current
I
N
A
4.35
Rated power
P
N
kW
1.45