Specifications
| Series No: BL4373DS- – – 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: BL4373DS- – – 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 |
|
|
gcm2 |
|
16 |
Angular acceleration |
αmax |
70.92 |
69.96 |
94.74 |
|
|
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 |
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 |
Outline Drawing – Motor Only
