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Operating Characteristic Curve
Outline drawing
Nominal voltage
U(N)
V
18
24
48
No load speed
N(0)
rpm
7800
21200
20500
No load current
I(0)
A
0.04
0.21
0.12
Nominal speed
N(N)
7113
17500
17300
Nominal torque
T(N)
mN.m
8.62
13.5
12.8
Nominal current
I(N)
0.41
1.2
0.9
Stall torque
T(S)
98
115
100.2
Stall current
I(S)
4.3
12
5.6
Max. efficiency
η
%
81.6
73
72
Terminal resistance
phase to phase
R(t-h)
Ω
4.18
2
8.5
Terminal inductance
L(t-h)
mH
0.08
0.17
0.732
Torque constant
K(T)
mN.m/A
23
9.9
20.5
Speed constant
K(n)
rpm/V
437
911
440
Speed/torque gradient
K(▽)
rpm/mN.m
75
184
182
Mechanical time constant
K(m)
ms
10.5
Rotor inertia
J
gcm2
5.5