Technical data and characteristics
6.3 Data sheets and characteristics
1FT2 synchronous motors for SINAMICS S120
78
Configuration Manual, 03/2021, A5E50645584B AA
6.3
Data sheets and characteristics
6.3.1
High Dynamic
6.3.1.1
1FT2104-4AF
Three-phase servo motor 1FT2104-4AF
Technical specifications in S120 system
Symbol
Unit
Value
Static torque
M
0
Nm
1.27
Stall current
I
0
A
1.19
Maximum permissible speed (at converter)
n
max Inv
rpm
7200
Maximum torque
M
max
Nm
3.75
Maximum current
I
max
A
4.2
Thermal time constant
T
th
min
33
Moment of inertia
J
Mot
kg cm
2
0.35
Moment of inertia (with brake)
J
Mot Br
kg cm
2
0.43
Weight
m
Mot
kg
2.05
Weight (with brake)
m
Mot Br
kg
2.9
Rated data with S120, 3 AC 400 V / 3 AC 480 V
Rated speed
n
N
rpm
3000
Rated torque
M
N
Nm
1.27
Rated current
I
N
A
1.19
Rated power
P
N
kW
0.4