28PA-28BLY400 pages
28PA/28BLY40
SEI
BLDC PLANET GEAR MOTOR
www.sei-automation.com
2010-2011
Mechanical Dimensions
18
L
Φ28
Φ18
Φ6
12
4-M3
5
Φ22
2
28PAXXXG/28BLY40-2430
Rated Voltage
Vdc
Reduction Ratio
1:X
Stages
#
No-load speed(RPM)
RPM
809
579
218
156
112
59
42.1
30.1
21.6
15.8
11.3
Rated speed(RPM)
RPM
566
405
153
109
78
41.1
29.5
21.1
15.1
11.1
7.9
Rated torque(Kg.cm)
Kg.cm
0.24
0.33
0.79
1.11
1.54
2.64
3.69
5.15
7.19
8.83
Max . torque (momentary ) Kg.cm
0.71
0.99
2.37
3.32
4.63
7.93
11.07
15.46
21.58
26.48
Gear Motor Length
24
3.71
5.18
13.8
19.2
1
51.1
71.3
99.5
2
67.0
mm
26.8
139
189
265
369
516
720
8.1
5.8
4.2
5.7
4.1
2.9
12.32
17.20
24.02
30.00
36.97
51.61
60.00
60.00
516
720
3
74.7
4.0
82.4
90.1
28PAXXXG/28BLY40-2440
Rated Voltage
Vdc
Reduction Ratio
1:X
Stages
#
No-load speed(RPM)
RPM
1078
772
291
208
149
78
56.1
40.2
28.8
21.1
15.1
10.8
7.8
5.6
Rated speed(RPM)
RPM
755
541
203
146
104
54.8
39.3
28.1
20.1
14.8
10.6
7.6
5.4
3.9
Rated torque(Kg.cm)
Kg.cm
0.27
0.38
0.90
1.26
1.76
3.02
4.21
5.88
8.21
10.07
14.06
19.63
27.40
30.00
Max . torque (momentary ) Kg.cm
0.81
1.13
2.71
3.78
5.28
9.05
12.63
17.63
24.62
30.20
42.17
58.88
60.00
60.00
Gear Motor Length
24
3.71
5.18
13.8
19.2
1
51.1
71.3
99.5
2
67.0
mm
26.8
139
189
265
369
3
74.7
4.0
82.4
90.1
Motor specifications
Rated
Voltage
Body
Length
No-load
Speed
Rated
Current
Rated
Speed
Rated
Torque
Output
Power
Biggest
Torque
Number of
Phases
Number of
Poles
V
mm
rpm
A
rpm
g.cm
W
g.cm
#
#
28BLY40-2430
24
40
3000
0.11
2100
71
1.5
213
3
4
28BLY40-2440
24
40
4000
0.16
2800
81
2.3
243
3
4
Model
28
PA
027G
28
BLY
40
2430
Frame slze
28=Φ28mm
Planetary
Gear Ratlo
027=27:1
Motor slze
28=Φ28mm
Motor Type
Body Length
40=40mm
Voltge and Speed
24=24V;30=3000rpm