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OUTPUT TORQUE (Nm)
FINAL
R.P.M.
COMPOSITE
OUTPUT TORQUE (Nm)
FINAL
R.P.M.
COMPOSITE
OUTPUT TORQUE (Nm)
FINAL
R.P.M.
COMPOSITE
RATIO
Single Reduction Worm Gear Units
Variable Speed A.C. ­ D.C. Series or D.C. Shunt Wound
Enclosures: Standard ­ SD 1 Ventilated Internal Fan Cooled (IP 20)
SD 11 ­ SD 12 Drip Proof Internal Fan Cooled (IP 23)
Alternative ­ Totally Enclosed (IP 50) with Terminal Box (IP 54)
Gearbox Type:
M or MB
Speed Range: 28 ­ 970 r.p.m.
SD 1 MF
SD 11 M
Voltage, Construction, Connections, Motor Performance Specifications
and Optional Extras
see pages 44 and 46 for full details.
Hollow shaft. Available on request maximum internal diameter 8mm.
(1 Nm = 8.85 lbs. ins.) (1 Nm = 10.2 cmkp)
Gearbox
Specification
Motor Speed
2000 r.p.m.
Shunt
Motor Rating
50 watts
SD 11 M/MB
Shunt
Motor Rating
60 watts
SD 12 M/MB
28
30
33
38
43
45
50
55
60
65
75
80
90
100
110
120
130
138
150
160
175
200
215
240
275
325
390
485
72:1
66:1
60:1
54:1
48:1
44:1
40:1
36:1
33:1
30:1
27:1
25:1
22 1/2:1
20 1/2:1
18 1/2:1
16 1/2:1
15 1/2:1
14 1/2:1
13 1/3:1
12 1/3:1
11 1/3:1
10 1/3:1
9 1/3:1
8 1/3:1
7 1/4:1
6 1/6:1
5 1/8:1
4 1/8:1
5.1
5.1
4.97
4.75
4.41
4.29
4.07
3.73
3.5
3.16
2.94
2.83
2.71
2.49
2.26
2.15
2.03
1.92
1.81
1.7
1.58
1.47
1.36
1.24
1.13
1.02
0.79
0.57
­
­
5.9
5.65
5.42
5.2
4.97
4.52
4.29
3.96
3.62
3.5
3.39
3.05
2.83
2.71
2.6
2.49
2.26
2.15
2.03
1.92
1.81
1.58
1.47
1.24
0.9
0.68
COMPOSITE
COMPOSITE
COMPOSITE
COMPOSITE
COMPOSITE
COMPOSITE
RATIO
Gearbox
Specification
Motor Speed
4000 r.p.m.
Series/Shunt
Motor Rating
50 watts
Series
Motor Rating
95 watts
Shunt
Motor Rating
125 watts
Series
Motor Rating
125 watts
Series
Motor Rating
150 watts
Shunt
Motor Rating
150 watts
SD 1 M/MB
SD 11 M/MB
SD 12 M/MB
55
60
65
75
85
90
100
110
120
130
150
160
180
200
220
240
260
275
300
320
350
400
430
480
550
650
780
970
72:1
66:1
60:1
54:1
48:1
44:1
40:1
36:1
33:1
30:1
27:1
25:1
22 1/2:1
20 1/2:1
18 1/2:1
16 1/2:1
15 1/2:1
14 1/2:1
13 1/3:1
12 1/3:1
11 1/3:1
10 1/3:1
9 1/3:1
8 1/3:1
7 1/4:1
6 1/6:1
5 1/8:1
4 1/8:1
2.71
2.6
2.37
2.26
2.03
1.81
1.7
1.58
1.53
1.47
1.36
1.3
1.24
1.13
1.07
1.02
0.96
0.9
0.85
0.79
0.73
0.68
0.57
0.51
0.45
0.4
0.4
0.28
­
­
­
­
5.65
4.52
4.29
4.18
3.96
3.62
3.28
3.05
2.83
2.6
2.49
2.37
2.26
2.15
1.92
1.81
1.7
1.58
1.47
1.36
1.24
1.13
0.9
0.73
­
­
­
­
­
5.65
5.31
5.09
4.86
4.41
4.07
3.73
3.5
3.16
3.05
2.94
2.83
2.6
2.37
2.26
2.15
1.81
1.7
1.58
1.47
1.36
1.13
0.9
­
­
­
­
­
5.65
5.31
5.09
4.86
4.41
4.07
3.73
3.5
3.16
3.05
2.94
2.83
2.6
2.37
2.26
2.15
1.81
1.7
1.58
1.47
1.36
1.13
0.9
­
­
­
­
­
5.9
6.37
6.12
5.17
4.91
4.73
4.37
4.28
4.1
3.92
3.57
3.38
3.3
3.21
2.94
2.76
2.68
2.41
2.23
2.1
1.78
1.43
1.16
­
­
­
­
­
5.9
6.37
6.12
5.17
4.91
4.73
4.37
4.28
4.1
3.92
3.57
3.38
3.3
3.21
2.94
2.76
2.68
2.41
2.23
2.1
1.78
1.43
1.16
COMPOSITE COMPOSITE COMPOSITE
COMPOSITE
RATIO
Gearbox
Specification
Motor Speed
3000 r.p.m.
Series/Shunt
Motor Rating
38 watts
Series
Motor Rating
75 watts
Shunt
Motor Rating
95 watts
Series
Motor Rating
95 watts
Shunt
Motor Rating
125 watts
SD 1 M/MB
SD 11 M/MB
SD 12 M/MB
42
45
50
55
62
68
75
83
90
100
110
120
130
145
160
180
190
205
220
240
265
290
320
360
410
480
580
725
72:1
66:1
60:1
54:1
48:1
44:1
40:1
36:1
33:1
30:1
27:1
25:1
22 1/2:1
20 1/2:1
18 1/2:1
16 1/2:1
15 1/2:1
14 1/2:1
13 1/3:1
12 1/3:1
11 1/3:1
10 1/3:1
9 1/3:1
8 1/3:1
7 1/4:1
6 1/6:1
5 1/8:1
4 1/8:1
2.71
2.6
2.37
2.26
2.03
1.81
1.58
1.47
1.36
1.24
1.19
1.13
1.02
0.9
0.79
0.73
0.73
0.68
0.62
0.57
0.57
0.51
0.45
0.4
0.34
0.31
0.28
0.23
­
­
4.97
4.75
4.41
4.29
4.07
3.73
3.5
3.16
2.94
2.83
2.71
2.49
2.26
2.15
2.03
1.92
1.81
1.7
1.58
1.47
1.36
1.24
1.13
1.02
0.79
0.57
­
­
5.9
5.65
5.42
5.20
5.09
4.75
4.41
4.18
3.84
3.62
3.5
3.28
2.94
2.83
2.71
2.6
2.37
2.26
2.15
2.03
1.81
1.7
1.47
1.36
1.02
0.79
­
­
5.9
5.65
5.42
5.2
5.09
4.75
4.41
4.18
3.84
3.62
3.5
3.28
2.94
2.83
2.71
2.6
2.37
2.26
2.15
2.03
1.81
1.7
1.47
1.36
1.02
0.79
­
­
5.9
5.9
5.9
5.9
6.78
6.33
5.99
5.54
5.09
4.86
4.75
4.29
3.96
3.73
3.62
3.39
3.28
3.05
2.94
2.71
2.49
2.26
2.03
1.81
1.47
1.13
SD 12 MB
SD 1 MB
50