Technical Data and Characteristics
Speed-torque diagrams
1FT6 Synchronous Motors
3-82 Configuration Manual, (PFT6), 10.2005 Edition, 6SN1197-0AD02-0BP1
Table 3-43 1FT6134 force ventilated
1FT6134
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 130 125
Rated current (100K)
I
N
A4557
Stall torque (60K)
M
0(60 K)
Nm 116 116
Stall torque (100K)
M
0(100 K)
Nm 140 140
Stall current (60K)
I
0(60 K)
A3647
Stall current (100K)
I
0(100 K)
A4458
Moment of inertia (with brake)
J
mot
10
–4
kgm
2
625 625
Moment of inertia (without brake)
J
mot
10
–4
kgm
2
547 547
Optimum operating point
Optimum speed
n
opt
rpm 1500 2000
Optimum power
P
opt
kW 20.4
26.2
Limiting data
Max. permissible speed (mech.)
n
max
rpm 3600 3600
Maximum torque
M
max
Nm 316 316
Maximum current
I
max
A 140 182
Physical constants
Torque constant
k
T
Nm/A 3.17 2.43
Voltage constant
k
E
V/1000 rpm 204 156
Winding resistance at 20 °C
R
ph
Ohm 0.14 0.081
Rotating field inductance
L
D
mH 4.6 2.7
Electrical time constant
T
el
ms 33 33
Shaft torsional stiffness
c
t
Nm/rad 234000 234000
Mechanical time constant
T
mech
ms 2.3 2.3
Thermal time constant
T
th
min 25 25
Weight with brake m kg 116 116
Weight without brake m kg 106 106