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Operating Characteristic Curve
Outline drawing
Nominal voltage
U(N)
V
18
24
36
48
No load speed
N(0)
rpm
14000
14300
13900
14200
No load current
I(0)
mA
485
300
225
170
Nominal speed
N(N)
12800
13380
12750
13250
Nominal torque
T(N)
mN.m
45
Nominal current
I(N)
A
4.16
3.16
2.1
1.58
Stall torque
T(S)
612
625
567
665
Stall current
I(S)
50
40
23.2
21
Max. efficiency
η
%
81
83.2
82.7
Terminal resistance
phase to phase
R(t-h))
Ω
0.36
0.61
1.56
2.29
Terminal inductance
L(t-h)
mH
0.1
0.17
0.4
1.83
Torque constant
K(T)
mN.m/A
12.3
15.8
24.7
32
Speed constant
K(n)
rpm/V
777
600
390
298
Speed/torque gradient
K(▽)
rpm/mN.m
22.5
23
24.3
21.3
Mechanical time constant
K(m)
ms
3.7
3.5