No load speed

N(0)

rpm

20600

8700

No load current

I(0)

A

0.038

0.02

Nominal speed

N(N)

rpm

17487

7622

Nominal torque

T(N)

mN.m

2.11

1.79

Nominal current

I(N)

A

0.21

0.14

Stall torque

T(S)

mN.m

14

14.5

Stall current

I(S)

A

1.2

1

Max. efficiency

η

%

67.5

73.7

Terminal resistance

phase to phase

R(t-h)

Ω

5

12

Terminal inductance

phase to phase

L(t-h)

mH

0.81

0.91

Torque constant

K(T)

mN.m/A

12

14.8

Speed constant

K(n)

rpm/V

3546

740

Speed/torque gradient

K(▽)

rpm/mN.m

1471

600

Mechanical time constant

K(m)

ms

7.9

8.3

Rotor inertia

J

gcm2

1.1

1.3