BRONZE
OUTPUT TORQUE (Nm)
FINAL
R.P.M.
SD 28 LIW SD 29 LIW
SD 13 LIW SD 18 LIW
BRONZE
OUTPUT TORQUE (Nm)
FINAL
R.P.M.
COMPOSITE
BRONZE
GEAR 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:
LIW
Speed Range: 1.1 75 r.p.m.
SD 28 LIW
SD 8 LIW with brake
SD 13 LIW
Voltage, Construction, Connections, Motor Performance
Specifications and Optional Extras
see pages 6, 8 and 10 for full details.
Minimum speed of 0.74 r.p.m. obtainable using 900 r.p.m. motor (SD 13).
(1 Nm = 8.85 lbs. ins.) (1 Nm = 10.2 cmkp)
Gearbox
Specification
Motor Speed
1400 r.p.m.
1 or 3 Phase
Motor Rating
35 watts
1 or 3 Phase
Motor Rating
55 watts
1 Phase
Motor Rating
100 watts
3 Phase
Motor Rating
125 watts
SD 8 LIW SD 38 LIW
SD 28 LIW SD 29 LIW
SD 13 LIW SD 18 LIW
SD 13 LIW (T.E.F.C.)
1.1
1.5
1.9
2.5
3.4
4
5.5
8
9.4
13
16
19
21
30
38
60:1
44:1
36:1
27:1
20 1/2:1
16 1/2:1
12 1/3:1
8 1/3:1
7 1/4:1
5 1/8:1
9 1/3:1
8 1/3:1
7 1/4:1
5 1/8:1
4 1/8:1
20 1/2:1
20 1/2:1
20 1/2:1
20 1/2:1
20 1/2:1
20 1/2:1
20 1/2:1
20 1/2:1
20 1/2:1
20 1/2:1
9:1
9:1
9:1
9:1
9:1
28
28
28
28
28
25
21
16
14
11
10
9
7
6
5
45
45
43
36
30
COMPOSITE
BRONZE
28
28
28
28
28
28
28
25
23
17
15
14
12
9
7.5
45
45
45
45
45
42
34
COMPOSITE
BRONZE
28
28
28
28
28
28
28
28
28
28
27
25
21
17
14
45
45
45
45
45
45
45
45
41
31
COMPOSITE
28
28
28
28
28
28
28
28
28
28
28
28
26
21
17
45
45
45
45
45
45
45
45
45
38
34
31
COMPOSITE
BRONZE
COMPOSITE
BRONZE
COMPOSITE
BRONZE
COMPOSITE
BRONZE
COMPOSITE
GEAR RATIO
INT
FINAL
Gearbox
Specification
Motor Speed
2800 r.p.m.
1 or 3 Phase
Motor Rating
60 watts
1 Phase
Motor Rating
100 watts
3 Phase
Motor Rating
120 watts
1 Phase
Motor Rating
150 watts
3 Phase
Motor Rating
190 watts
SD 8 LIW SD 38 LIW
2.2
3
3.8
5
7
8
11
16
19
26
32
38
42
60
75
60:1
44:1
36:1
27:1
20 1/2:1
16 1/2:1
12 1/3:1
8 1/3:1
7 1/4:1
5 1/8:1
9 1/3:1
8 1/3:1
7 1/4:1
5 1/8:1
4 1/8:1
20 1/2:1
20 1/2:1
20 1/2:1
20 1/2:1
20 1/2:1
20 1/2:1
20 1/2:1
20 1/2:1
20 1/2:1
20 1/2:1
9:1
9:1
9:1
9:1
9:1
28
28
28
28
26
22
18
14
12
9
8
7.5
7
5
4.3
45
43
38
31
30
28
28
28
28
28
28
28
23
20
15
13
12.5
11.6
8.3
7.2
45
45
45
45
43
37
30
28
28
28
28
28
28
28
28
24
18
16
15
14
10
8.6
45
45
45
45
45
42
34
28
28
28
28
28
28
28
28
28
23
20
19
17
12
11
45
45
45
45
45
45
45
35
30
28
28
28
28
28
28
28
28
28
28
28
24
22
16
13
45
45
45
45
45
45
45
44
38
30