6.3.3 High Inertia
6.3.3.1 1FK2306-2AC
1FK2306-2AC three-phase servomotor
Technical specications in S120 system Abbreviation Unit Value
Static torque M
0
Nm 6
Stall current I
0
A 2.8
Max. permissible speed n
max inv
r/min 4250
Maximum torque M
max
Nm 18
Maximum current I
max
A 10.3
Thermal time constant T
th
min 24
Moment of inertia J
Mot
kg cm
2
12.3
Moment of inertia (with brake) J
Mot with Br
kg cm
2
13.4
Weight m
Mot
kg 7.6
Weight (with brake) m
Mot with Br
kg 9
Rated data 3 AC 380 ... 480 V
Rated speed n
rated
r/min 2000
Rated torque M
rated
Nm 5.5
Rated current I
rated
A 2.8
Rated power P
rated
kW 1.15
Technical data and characteristics
6.3 Data sheets and characteristics
1FK2 Synchronous Motors for SINAMICS S120
Conguration Manual, 02/2022, A5E46927724B AD 125