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Operating Characteristic Curve
Outline drawing
Nominal voltage
U(N)
V
3
9
12
No load speed
N(0)
rpm
15300
12800
13600
No load current
I(0)
A
0.032
0.025
0.011
Nominal speed
N(N)
12539
4000
10535
Nominal torque
T(N)
mN.m
0.18
0.62
2.81
Nominal current
I(N)
0.14
0.03
Stall torque
T(S)
1
1.25
12.5
Stall current
I(S)
0.66
0.3
0.13
Max. efficiency
η
%
60.8
50.5
50.2
Terminal resistance
phase to phase
R(t-h)
Ω
4.54
30
92.3
Terminal inductance
L(t-h)
mH
0.07
0.72
0.88
Torque constant
K(T)
mN.m/A
1.5
105
Speed constant
K(n)
rpm/V
5360
1466
1238
Speed/torque gradient
K▽
rpm/mN.m
19268
9687
80
Mechanical time constant
K(m)
ms
8
8.08
8.1
Rotor inertia
J
gcm2
0.066
0.0655
0.0654