No load speed

N(0)

rpm

10500

9400

9800

No load current

I(0)

A

0.02

0.011

0.007

Nominal speed

N(N)

rpm

9472

8495

9032

Nominal torque

T(N)

mN.m

0.7

0.72

0.58

Nominal current

I(N)

A

0.18

0.1

0.08

Stall torque

T(S)

mN.m

7.2

7.5

8

Stall current

I(S)

A

1.7

0.97

0.72

Max. efficiency

η

%

79.4

79.8

83.7

Terminal resistance

phase to phase

R(t-h)

Ω

1.8

6.2

12.5

Terminal inductance

phase to phase

L(t-h)

mH

0.03

0.15

0.28

Torque constant

K(T)

mN.m/A

4.29

7.82

7.79

Speed constant

K(n)

rpm/V

3608

1615

1123

Speed/torque gradient

K(▽)

rpm/mN.m

1514

1280

1802

Mechanical time constant

K(m)

ms

8.6

8.3

8.4

Rotor inertia

J

gcm2

0.83

0.86

0.85