6.3.1.3 1FK2104-4AF
Three-phase servomotor 1FK2104-4AF
Technical specications in S120 system Abbreviation Unit Value
Static torque M
0
Nm 1.27
Stall current I
0
A 1.19
Max. permissible speed n
max inv
r/min 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 with Br
kg cm
2
0.43
Weight m
Mot
kg 2.05
Weight (with brake) m
Mot with Br
kg 2.9
Rated data 3 AC 380 ... 480 V
Rated speed n
rated
r/min 3000
Rated torque M
rated
Nm 1.27
Rated current I
rated
A 1.19
Rated power P
rated
kW 0.4
Technical data and characteristics
6.3 Data sheets and characteristics
1FK2 Synchronous Motors for SINAMICS S120
98 Conguration Manual, 02/2022, A5E46927724B AD