BRONZE
OUTPUT TORQUE (Nm)
FINAL
R.P.M.
BRONZE
OUTPUT TORQUE (Nm)
FINAL
R.P.M.
COMPOSITE
COMPOSITE
COMPOSITE
BRONZE
COMPOSITE
RATIO
INT
FINAL
In Line Double Reduction Worm Gear Units
1 or 3 Phase Induction Motors Constant Speed
Enclosures: Standard Ventilated Internal Fan Cooled (IP 20)
Alternative Totally Enclosed (IP 50) with Terminal Box or T.E.F.C. (IP 54)
Gearbox Type:
MIW
Speed Range: 1 164 r.p.m.
SD 41 MIW
SD 28 MIW
SD 8 MIW (T.E.F.C.)
Voltage, Construction, Connections, Motor Performance
Specifications and Optional Extras
see pages 6 and 8 for full details.
Minimum speed 0.27 r.p.m. obtainable using 900 r.p.m. motor (SD 8).
(1 Nm = 8.85 lbs. ins.) (1 Nm = 10.2 cmkp)
Gearbox
Specification
Motor Speed
1400 r.p.m.
1 Phase
Capacitor
Motor Rating
8 watts
SD 21 MIW
1 or 3 Phase
Motor Rating
10 watts
SD 41 MIW
1 or 3 Phase
Motor Rating
35 watts
SD 8 MIW SD 38 MIW
1 or 3 Phase
Motor Rating
55 watts
SD 28 MIW SD 29 MIW
1
2
3
4
5
6
7
8
9
11
13
15
16
20
23
27
32
36
41
54:1
27:1
18 1/2:1
14 1/2:1
11 1/3:1
9 1/3:1
8 1/3:1
7 1/4:1
6 1/4:1
5 1/6:1
5 1/6:1
11 1/3:1
10 1/3:1
8 1/3:1
7 1/4:1
6 1/4:1
5 1/6:1
6 1/4:1
4 1/8:1
25:1
25:1
25:1
25:1
25:1
25:1
25:1
25:1
25:1
25:1
20 1/2:1
8 1/3:1
8 1/3:1
8 1/3:1
8 1/3:1
8 1/3:1
8 1/3:1
6 1/6:1
8 1/3:1
14
9.7
7.9
6.6
5.4
4.8
4.3
3.8
3.4
2.9
2.7
2.5
2.3
2
1.8
1.6
1.4
1.2
1
16
11
9
7.6
6.3
5.5
5
4.5
4
3.4
3
2.9
2.7
2.4
2
1.8
1.6
1.3
1.1
17
17
17
17
17
17
17
15.5
13.6
11.8
10.9
10
9.2
8.2
7.3
6.3
5.5
4.8
4.1
28
28
22.6
20.3
18.8
17
17
17
17
17
17
17
17
17
17
17
15.7
14.5
12.9
11.5
9.9
8.6
7.5
6.4
28
28
28
28
28
28
27.5
24.8
22
18.7
COMPOSITE
COMPOSITE
BRONZE
COMPOSITE
BRONZE
COMPOSITE
BRONZE
COMPOSITE
RATIO
INT
FINAL
Gearbox
Specification
Motor Speed
2800 r.p.m.
1 Phase
Motor Rating
20 watts
SD 21 MIW
1 or 3 Phase
Motor Rating
25 watts
SD 41 MIW
1 or 3 Phase
Motor Rating
60 watts
SD 8 MIW SD 38 MIW
1 Phase
3 Phase
Motor Rating
Motor Rating
100 watts
120 watts
SD 28 MIW SD 29 MIW
2
4
6
8
10
12
15
21
26
30
33
40
46
54
65
73
81
88
105
132
164
54:1
27:1
18 1/2:1
14 1/2:1
11 1/3:1
9 1/3:1
7 1/4:1
5 1/6:1
5 1/6:1
11 1/3:1
10 1/3:1
8 1/3:1
7 1/4:1
6 1/4:1
5 1/6:1
6 1/4:1
4 1/8:1
5 1/6:1
5 1/6:1
4 1/8:1
4 1/8:1
25:1
25:1
25:1
25:1
25:1
25:1
25:1
25:1
20 1/2:1
8 1/3:1
8 1/3:1
8 1/3:1
8 1/3:1
8 1/3:1
8 1/3:1
6 1/6:1
8 1/3:1
6 1/6:1
5 1/8:1
5 1/8:1
4 1/8:1
17
11.7
9.3
7.7
6.5
5.5
4.8
3.7
3.1
3
2.7
2.3
2.1
1.8
1.6
1.3
1.2
1
0.8
0.6
0.5
17
14.6
11.7
9.7
8.1
7
6
4.6
4
3.8
3.6
2.9
2.6
2.3
2
1.7
1.6
1.2
1
0.8
0.6
22.6
17
17
17
17
17
17
14.4
11
9.6
9.2
8.4
7
6.3
5.7
4.9
4
3.8
2.9
2.4
1.9
1.5
28
28
23
19
17
17
17
17
17
17
17
17
16
15.3
14
11.7
10.5
9.5
8
6.7
6.3
4.8
4
3.2
2.6
28
28
28
28
28
27
24
17
17
17
17
17
17
17
17
17
17
16.8
14
12.6
11.3
9.7
8
7.6
5.8
4.9
3.9
3.1
28
28
28
28
28
28
28
22
19
28