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Operating Characteristic Curve
Outline drawing
Nominal voltage
U(N)
V
12
18
24
36
No load speed
N(0)
rpm
12100
No load current
I(0)
mA
160
105
77
51
Nominal speed
N(N)
8250
Nominal torque
T(N)
mN.m
10.8
Nominal current
I(N)
A
1.28
0.88
0.657
0.43
Stall torque
T(S)
55
59
65
62
Stall current
I(S)
8.1
6
4.65
3.5
Max. efficiency
η
%
63
Terminal resistance
phase to phase
R(t-h))
Ω
1.48
3
5.16
10.3
Terminal inductance
L(t-h)
mH
0.125
0.277
0.485
1.1
Torque constant
K(T)
mN.m/A
9.03
13.6
14.1
17.9
Speed constant
K(n)
rpm/V
1050
703
525
356
Speed/torque gradient
K(▽)
rpm/mN.m
299
289
246
306
Mechanical time constant
K(m)
ms
9.6
8.4
8.5
8.8
Rotor inertia
J
gcm2
2.15