Technical Data and Characteristics
Speed-torque diagrams
1FT6 Synchronous Motors
3-16 Configuration Manual, (PFT6), 10.2005 Edition, 6SN1197-0AD02-0BP1
Table 3-8 1FT6061 natural cooling
1FT6061
Technical data Code Units -6AH7 -6AK7
Engineering data
Rated speed n
N
rpm 4500 6000
Number of poles 2p 6 6
Rated torque (100 K)
M
N(100 K)
Nm 2.9 2.1
Rated current (100K)
I
N
A3.43.1
Stall torque (60K)
M
0(60 K)
Nm 3.3 3.3
Stall torque (100K)
M
0(100 K)
Nm 4 4
Stall current (60K)
I
0(60 K)
A3.34
Stall current (100K)
I
0(100 K)
A45
Moment of inertia (with brake)
J
mot
10
–4
kgm
2
9.3 9.3
Moment of inertia (without brake)
J
mot
10
–4
kgm
2
66
Optimum operating point
Optimum speed
n
opt
rpm 4500 6000
Optimum power
P
opt
kW 1.37 1.38
Limiting data
Max. permissible speed (mech.)
n
max
rpm 9100 9100
Maximum torque
M
max
Nm 16 16
Maximum current
I
max
A2126
Physical constants
Torque constant
k
T
Nm/A 0.99 0.80
Voltage constant
k
E
V/1000 rpm 63 51
Winding resistance at 20 °C
R
ph
Ohm 2.1 1.42
Rotating field inductance
L
D
mH 13.3 9
Electrical time constant
T
el
ms 6.3 6.3
Shaft torsional stiffness
c
t
Nm/rad 34000 34000
Mechanical time constant
T
mech
ms 3.9 4.0
Thermal time constant
T
th
min 27 27
Weight with brake m kg 9.5 9.5
Weight without brake m kg 8 8