Specifications

Series No: BL4373- – – P 2 & 8
No.

Testing Item

Tested Values

Unit

1

Nominal voltage

UN

12

12

24

24

24

V

2

Terminal resistance, phase to phase

R

0.8

0.1

6.2

1.5

1.6

Ω

3

Output power

P2max

43.39

354.32

21.58

93.50

87.62

W

4

Efficiency

ηmax

75

83

66

78

78

%

5

No-load speed

no

4500

11100

4200

5700

6300

rpm

6

No-load current

Io

0.27

0.95

0.14

0.21

0.2

A

7

Stall torque

MH

368.34

1219.29

196.23

626.54

531.22

mNm

8

Friction torque

MF

6.75

9.73

7.36

8.33

7.18

mNm

9

Speed constant

kn

381.87

932.38

181.57

240.66

266.05

rpm/V

10

Back-EMF constant

kE

2.62

1.07

5.51

4.16

3.76

mV/rpm

11

Torque constant

kM

25.01

10.24

52.59

39.68

35.89

mNm/A

12

Current constant

kI

0.04

0.10

0.02

0.03

0.03

A/mNm

13

Slope of n-M curve

Δ n/ ΔM

12.22

9.10

21.40

9.10

11.86

rpm/mNm

14

Mechanical time constant

τ m

12.27

9.14

21.49

9.13

11.91

ms

15

Rotor inertia

J

95.88

95.88

95.88

95.88

95.88

gcm2

16

Angular acceleration

αmax

38.42

127.17

20.47

65.35

55.40

103rad/s2

17

Sensor

 

Hall Sensor

 

18

Driver

 

DR2404

 

19

Weight

 

510

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

20.31

115.24

13.47

38.14

35.99

W

27

Efficiency

ηopt

75

83

66

78

78

%

28

Speed

nopt

3891

10108

3386

5043

5568

rpm

29

Load Current

Iopt

2.26

11.58

0.86

2.03

1.92

A

30

Operating Torque

Mopt

49.87

108.92

38.01

72.26

61.75

mNm

 

Specifications

Series No: BL4373- – – P 2 & 8
No.

Testing Item

Tested Values

Unit

1

Nominal voltage

UN

24

24

12

 

 

V

2

Terminal resistance, phase to phase

R

1.2

0.9

0.25

 

 

Ω

3

Output power

P2max

117.14

155.95

139.83

 

 

W

4

Efficiency

ηmax

79

79

77

 

 

%

5

No-load speed

no

6580

8880

5880

 

 

rpm

6

No-load current

Io

0.24

0.34

0.7

 

 

A

7

Stall torque

MH

679.99

670.80

908.36

 

mNm

8

Friction torque

MF

8.26

8.66

13.44

 

 

mNm

9

Speed constant

kn

277.50

374.78

497.25

 

 

rpm/V

10

Back-EMF constant

kE

3.60

2.67

2.01

 

 

mV/rpm

11

Torque constant

kM

34.41

25.48

19.20

 

 

mNm/A

12

Current constant

kI

0.03

0.04

0.05

 

 

A/mNm

13

Slope of n-M curve

Δ n/ ΔM

9.68

13.24

6.47

 

 

rpm/mNm

14

Mechanical time constant

τ m

9.72

13.29

6.50

 

 

ms

15

Rotor inertia

J

95.88

95.88

95.88

 

 

gcm 2

16

Angular acceleration

αmax

70.92

69.96

94.74

 

 

10 3rad/s 2

17

Sensor

 

Hall Sensor

 

18

Driver

 

DR2404

 

19

Weight

 

510

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

45.92

62.80

59.73

 

 

W

27

Efficiency

ηopt

79

79

77

 

 

%

28

Speed

nopt

5855

7871

5165

 

 

rpm

29

Load Current

Iopt

2.42

3.33

6.45

 

 

A

30

Operating Torque

Mopt

74.94

76.23

110.50

 

 

mNm

 

Performance Curves

Operating Curve

Performance Curves – NT Testing Curve

NT Curve

Outline Drawing – Motor Only

Outside Drawing(BL4373)

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