No load speed

N(0)

rpm

52500

55000

No load current

I(0)

mA

500

380

Nominal speed

N(N)

rpm

32200

31500

Nominal torque

T(N)

mN.m

1.5

1.6

Nominal current

I(N)

A

3.5

1.8

Stall torque

T(S)

mN.m

3.3

4

Stall current

I(S)

A

7

3.6

Max. efficiency

η

%

50

58

Terminal resistance

phase to phase

R(t-h))

Ω

0.51

1.94

Terminal inductance

phase to phase

L(t-h)

mH

0.025

0.031

Torque constant

K(T)

mN.m/A

0.5

0.89

Speed constant

K(n)

rpm/V

14180

7857

Speed/torque gradient

K(▽)

rpm/mN.m

19490

23158

Mechanical time constant

K(m)

ms

3.5

3.3

Rotor inertia

J

gcm2

0.026

0.026