No load speed

N(0)

rpm

12100

12100

12100

12100

No load current

I(0)

mA

160

105

77

51

Nominal speed

N(N)

rpm

8250

8250

8250

8250

Nominal torque

T(N)

mN.m

10.8

10.8

10.8

10.8

Nominal current

I(N)

A

1.28

0.88

0.657

0.43

Stall torque

T(S)

mN.m

55

59

65

62

Stall current

I(S)

A

8.1

6

4.65

3.5

Max. efficiency

η

%

62

63

65

65

Terminal resistance

phase to phase

R(t-h))

Ω

1.48

3

5.16

10.3

Terminal inductance

phase to phase

L(t-h)

mH

0.125

0.277

0.485

1.1

Torque constant

K(T)

mN.m/A

9.03

13.6

14.1

17.9

Speed constant

K(n)

rpm/V

1050

703

525

356

Speed/torque gradient

K(▽)

rpm/mN.m

299

289

246

306

Mechanical time constant

K(m)

ms

9.6

8.4

8.5

8.8

Rotor inertia

J

gcm2

2.15

2.15

2.15

2.15