No load speed

N(0)

rpm

8200

8300

7990

No load current

I(0)

A

0.08

0.05

0.03

Nominal speed

N(N)

rpm

7295

7350

6969

Nominal torque

T(N)

mN.m

1.82

2.14

2.2

Nominal current

I(N)

A

0.64

0.38

0.2

Stall torque

T(S)

mN.m

16.5

18.8

17.5

Stall current

I(S)

A

5.2

3

1.4

Max. efficiency

η

%

76.7

75.8

72.8

Terminal resistance

phase to phase

R(t-h)

Ω

0.58

2

8.8

Terminal inductance

phase to phase

L(t-h)

mH

0.03

0.06

0.2

Torque constant

K(T)

mN.m/A

3.2

6.4

12.8

Speed constant

K(n)

rpm/V

2776

1407

680

Speed/torque gradient

K(▽)

rpm/mN.m

491

441.5

456.5

Mechanical time constant

K(m)

ms

12

12

12

Rotor inertia

J

gcm2

2.5

2.8

2.8