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Operating Characteristic Curve
Outline drawing
Nominal voltage
U(N)
V
7.4
12
No load speed
N(0)
rpm
18400
13300
No load current
I(0)
A
0.065
0.01
Nominal speed
N(N)
16899
12447
Nominal torque
T(N)
mN.m
2.61
1.16
Nominal current
I(N)
0.73
0.14
Stall torque
T(S)
32.1
18.1
Stall current
I(S)
8.24
2.13
Max. efficiency
η
%
82
86
Terminal resistance
phase to phase
R(t-h)
Ω
0.89
5.6
Terminal inductance
L(t-h)
mH
0.03
0.04
Torque constant
K(T)
mN.m/A
3.92
8.53
Speed constant
K(n)
rpm/V
2354
1069
Speed/torque gradient
K(▽)
rpm/mN.m
534.5
701.8
Mechanical time constant
K(m)
ms
10.8
9.9
Rotor inertia
J
gcm2
0.85
0.07