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Operating Characteristic Curve
Outline drawing
Nominal voltage
U(N)
V
6
7.4
9
No load speed
N(0)
rpm
25000
27000
36800
No load current
I(0)
mA
70
220
82
Nominal speed
N(N)
16500
20500
29800
Nominal torque
T(N)
mN.m
1.5
1.86
1.3
Nominal current
I(N)
A
0.75
0.71
0.66
Stall torque
T(S)
4.45
6.85
Stall current
I(S)
2.07
3.06
3.1
Max. efficiency
η
%
66.8
76
Terminal resistance
phase to phase
R(t-h))
Ω
2.89
2.42
2.9
Terminal inductance
L(t-h)
mH
0.19
0.18
Torque constant
K(T)
mN.m/A
2.22
2.63
2.27
Speed constant
K(n)
rpm/V
4310
3648
4210
Speed/torque gradient
K(▽)
rpm/mN.m
3342
5376
Mechanical time constant
K(m)
ms
10
9.2
9.6
Rotor inertia
J
gcm2
0.17