6.3.1.8 1FK2105-4AF
1FK2105-4AF three-phase servomotor
Technical specications in S120 system Abbreviation Unit Value
Static torque M
0
Nm 5
Stall current I
0
A 4.65
Max. permissible speed n
max inv
r/min 6000
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 with Br
kg cm
2
2.55
Weight m
Mot
kg 5.6
Weight (with brake) m
Mot with Br
kg 6.6
Rated data 3 AC 380 ... 480 V
Rated speed n
rated
r/min 3000
Rated torque M
rated
Nm 4.6
Rated current I
rated
A 4.35
Rated power P
rated
kW 1.45
Technical data and characteristics
6.3 Data sheets and characteristics
1FK2 Synchronous Motors for SINAMICS S120
Conguration Manual, 02/2022, A5E46927724B AD 103