No load speed

N(0)

rpm

15300

12800

13600

No load current

I(0)

A

0.032

0.025

0.011

Nominal speed

N(N)

rpm

12539

4000

10535

Nominal torque

T(N)

mN.m

0.18

0.62

2.81

Nominal current

I(N)

A

0.14

0.18

0.03

Stall torque

T(S)

mN.m

1

1.25

12.5

Stall current

I(S)

A

0.66

0.3

0.13

Max. efficiency

η

%

60.8

50.5

50.2

Terminal resistance

phase to phase  

R(t-h)

Ω

4.54

30

92.3

Terminal inductance

phase to phase

L(t-h)

mH

0.07

0.72

0.88

Torque constant

K(T)

mN.m/A

1.5

4.54

105

Speed constant

K(n)

rpm/V

5360

1466

1238

Speed/torque gradient

K▽

rpm/mN.m

19268

9687

80

Mechanical time constant

K(m)

ms

8

8.08

8.1

Rotor inertia

J

gcm2

0.066

0.0655

0.0654