Technical Data and Characteristics
Speed-torque diagrams
1FT6 Synchronous Motors
3-86 Configuration Manual, (PFT6), 10.2005 Edition, 6SN1197-0AD02-0BP1
Table 3-45 1FT6136 force ventilated
1FT6136
Technical data Code Units -6SB71 -6SC71
Engineering data
Rated speed n
N
rpm 1500 2000
Number of poles 2p 6 6
Rated torque (100 K)
M
N(100 K)
Nm 160 155
Rated current (100K)
I
N
A5572
Stall torque (60K)
M
0(60 K)
Nm 145 145
Stall torque (100K)
M
0(100 K)
Nm 175 175
Stall current (60K)
I
0(60 K)
A4562
Stall current (100K)
I
0(100 K)
A5577
Moment of inertia (with brake)
J
mot
10
–4
kgm
2
742 742
Moment of inertia (without brake)
J
mot
10
–4
kgm
2
664 664
Optimum operating point
Optimum speed
n
opt
rpm 1500 2000
Optimum power
P
opt
kW
25 32
Limiting data
Max. permissible speed (mech.)
n
max
rpm 3600 3600
Maximum torque
M
max
Nm 380 380
Maximum current
I
max
A156
219
Physical constants
Torque constant
k
T
Nm/A 3.17 2.27
Voltage constant
k
E
V/1000 rpm 204 146
Winding resistance at 20 °C
R
ph
Ohm 0.1 0.052
Rotating field inductance
L
D
mH 4.3 2.2
Electrical time constant
T
el
ms 43 42
Shaft torsional stiffness
c
t
Nm/rad 214000 214000
Mechanical time constant
T
mech
ms 2.0 2.0
Thermal time constant
T
th
min 25 25
Weight with brake m kg 131 131
Weight without brake m kg 123 123