Specifications

Series No: BL2243-          –               –  P    2
No.

Testing Item

Tested Values

Unit

1

Nominal voltage

UN

12

12

24

24

24

V

2

Terminal resistance, phase to phase

R

5.8

2.8

49.7

18.2

4.8

Ω

3

Output power

P2max

5.68

12.03

2.33

6.32

26.85

W

4

Efficiency

ηmax

63

67

46

45

59

%

5

No-load speed

no

7800

12300

6120

16480

40200

rpm

6

No-load current

Io

0.09

0.14

0.05

0.14

0.27

A

7

Stall torque

MH

27.81

37.36

14.53

14.65

25.51

mNm

8

Friction torque

MF

1.26

1.26

1.68

1.74

1.46

mNm

9

Speed constant

kn

679.56

1059.61

284.45

768.23

1770.61

rpm/V

10

Back-EMF constant

kE

1.47

0.94

3.52

1.30

0.56

mV/rpm

11

Torque constant

kM

14.05

9.01

33.57

12.43

5.39

mNm/A

12

Current constant

kI

0.07

0.11

0.03

0.08

0.19

A/mNm

13

Slope of n-M curve

Δ n/ ΔM

280.49

329.22

421.12

1124.81

1575.86

rpm/mNm

14

Mechanical time constant

τ m

2.67

3.14

4.01

10.72

15.02

ms

15

Rotor inertia

J

0.91

0.91

0.91

0.91

0.91

gcm2

16

Angular acceleration

αmax

305.59

410.56

159.70

161.00

280.33

103rad/s2

17

Sensor

 

Hall sensor

 

18

Driver

 

DR2404

 

19

Weight

 

95

g

20

Operating temperature range

 

-30 ~+85

21

Commutation

 

Electronically commutation

22

Ball Bearing

 

NMB & EZO

23

Housing material

 

Aluminum, black anodized

24

Magnet material

 

Sintered Nd-Fe-B

25

Direction of rotation

 

Electronically reversible

The Operating Data For η max of Customer’s Specifications

26

Output Power

P2opt

3.81

7.21

2.09

5.71

19.52

W

27

Efficiency

ηopt

63

67

46

45

59

%

28

Speed

nopt

6137

10040

4040

10800

30595

rpm

29

Load Current

Iopt

0.51

0.90

0.20

0.55

1.40

A

30

Operating Torque

Mopt

5.93

6.87

4.94

5.05

6.09

mNm

Performance Curves

Operating Curve
Performance Curves – NT Testing Curve

NT Curve

Outline Drawing – Motor Only

Outside Drawing(BL2243)

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