Siemens SIMOTICS T-1FW68, Configuration Manual

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Technical data and characteristics
6.2 Data sheets and characteristics
1FW68 radial segment motors
134
Configuration Manual, 08/2021, A5E51132930B AA
Data sheet 1FW68 reference motor
Table 6- 2 1FW68 reference motor
Technical data
1FW68 reference motor
1FW6809-1SN41-0BA1 G1A
Symbol Unit Value
Boundary conditions
DC link voltage U
DC
V 600
Water cooling intake temperature T
VORL
° C 35
Rated temperature of winding T
N
° C 130
Data at the rated operating point
Rated torque M
N
Nm 3020
Rated current I
N
A 69.4
Rated speed n
N
r/min 126
Rated power loss P
V,N
kW 1.75
Limit data
Maximum torque M
MAX
Nm 5760
Maximum current I
MAX
A 154
Electric motor power at M
MAX
P
EL,MAX
kW 55.4
Maximum speed n
MAX
r/min 298
Maximum speed at maximum torque n
MAX,MMAX
r/min 81.2
Max. speed without VPM n
MAX,INV
r/min 216
No-load speed n
MAX,0
r/min 158
Torque at n = 1 r/min M
0
Nm 3450
Current at M
0
and n = 1 r/min I
0
A 80.3
Thermal static torque M
0
* Nm 2500
Thermal stall current I
0
* A 56.8
Physical constants
Air gap diameter D
MOT
mm 1925
Number of stator segments when fully
equipped
n
SEGM
- 9
Force of attraction F
A
N 12700
Torque constant at 20 ° C k
T,20
Nm/A 44.5
Voltage constant k
E
V/(1000/min) 2690
Motor constant at 20
°
C k
M,20
Nm/(W)
0,5
102
Thermal time constant t
TH
s 400
No. of pole pairs p - 72
Cogging torque of the stator segment when
fully equipped
M
COG
Nm 20.7
Mass of the stator segment m
S
kg 53
Mass of the rotor segment m
RS
kg 2.3
Mass of the rotor m
R
kg 166
Moment of inertia of the rotor J
R
kgm 2 160
Phase resistance of winding at 20 ° C R
STR, 20
Ω 0.0633
Phase inductance of winding L
STR
mH 2.12