No load speed

N(0)

rpm

5533

5332

5530

No load current

I(0)

A

0.09

0.06

0.05

Nominal speed

N(N)

rpm

5219

5044

5194

Nominal torque

T(N)

mN.m

20.9

20.2

22.37

Nominal current

I(N)

A

1.5

1.05

0.77

Stall torque

T(S)

mN.m

370

375

369

Stall current

I(S)

A

25

18.5

12

Max. efficiency

η

%

88.3

88.9

87.5

Terminal resistance

phase to phase

R(t-h)

Ω

0.36

0.64

1.5

Terminal inductance

phase to phase

L(t-h)

mH

0.067

0.13

31.5

Torque constant

K(T)

mN.m/A

14.85

20.3

30.88

Speed constant

K(n)

rpm/V

617

445.8

308.5

Speed/torque gradient

K(▽)

rpm/mN.m

14.9

14

14.9

Mechanical time constant

K(m)

ms

3.2

3.1

3.1

Rotor inertia

J

gcm2

21.1

21.2

20