No load speed

N(0)

rpm

21350

29700

28400

No load current

I(0)

A

0.06

0.055

0.02

Nominal speed

N(N)

rpm

18742

25637

25266

Nominal torque

T(N)

mN.m

0.48    

0.56

Nominal current

I(N)

A

0.43

0.34

0.16

Stall torque

T(S)

mN.m

4

4.1

5

Stall current

I(S)

A

3.1

2.19

1.3

Max. efficiency

η

%

74.1

70.8

76.7

Terminal resistance

phase to phase

R(t-h)

Ω

0.96

2.73

9.23

Terminal inductance

phase to phase

L(t-h)

mH

0.15

0.3

1.2

Torque constant

K(T)

mN.m/A

1.31

1.92

3.9

Speed constant

K(n)

rpm/V

7256

5077.1

2404

Speed/torque gradient

K(▽)

rpm/mN.m

5342

7072

5795

Mechanical time constant

K(m)

ms

18

20

18

Rotor inertia

J

gcm2

0.14

0.14

0.14