Technical Data and Characteristics
Speed-torque diagrams
1FT6 Synchronous Motors
3-60 Configuration Manual, (PFT6), 10.2005 Edition, 6SN1197-0AD02-0BP1
Table 3-31 1FT6136 natural cooling
1FT6136
Technical data Code Units -6AB71 -6AC7
Engineering data
Rated speed n
N
rpm 1500 2000
Number of poles 2p 6 6
Rated torque (100 K)
M
N(100 K)
Nm 88 74
Rated current (100K)
I
N
A2730
Stall torque (60K)
M
0(60 K)
Nm 95 95
Stall torque (100K)
M
0(100 K)
Nm 115 115
Stall current (60K)
I
0(60 K)
A2734
Stall current (100K)
I
0(100 K)
A3442
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 13.8
15.5
Limiting data
Max. permissible speed (mech.)
n
max
rpm 3600 3600
Maximum torque
M
max
Nm 380 380
Maximum current
I
max
A 146 183
Physical constants
Torque constant
k
T
Nm/A 3.40 2.72
Voltage constant
k
E
V/1000 rpm 219 175
Winding resistance at 20 °C
R
ph
Ohm 0.12 0.075
Rotating field inductance
L
D
mH 4.9 3.1
Electrical time constant
T
el
ms 41 41
Shaft torsional stiffness
c
t
Nm/rad 214000 214000
Mechanical time constant
T
mech
ms 2.1 2.0
Thermal time constant
T
th
min 75 75
Weight with brake m kg 125 125
Weight without brake m kg 117 117