FINAL
R.P.M.
OUTPUT TORQUE (Nm)
RATIO
WORM
SPUR
Worm and Multi-Spur Reduction 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:
GWS
Speed Range: 0.4 50 r.p.m.
SD 29 GWS
SD 13 GWS (T.E.F.C.)
SD 48 GWS (T.E.F.C.)
with hollow shaft
Gearbox
Specification
Motor Speed
1400 r.p.m.
1 or 3 Phase
Motor Rating
55 watts
1 Phase
Motor Rating
100 w
1 Phase Cap Start
Induction Run
Motor Rating 150 w TEFC
3 Phase
Motor Rating
125 w
3 Phase
Motor Rating
190 w
SD 28 GWS SD 29 GWS
SD 13 GWS SD 18 GWS
SD 48 GWS
42
0.4
0.8
1.4
1.8
2.5
3.4
4.0
5.4
7
9
10
15
21
25
30:1
16 1/2:1
9 1/3:1
7 1/3:1
5 1/6:1
7 1/4:1
6 1/6:1
10 1/3:1
8 1/3:1
6 1/6:1
12 1/3:1
8 1/3:1
6 1/6:1
5 1/8:1
110:1
110:1
110:1
110:1
110:1
57:1
57:1
25:1
25:1
25:1
11:1
11:1
11:1
11:1
250
250
180
152
110
78
68
45
39
31
24
18
14
12
250
250
250
250
199
141
124
82
71
56
44
33
26
22
250
250
250
250
249
177
154
102
89
71
54
41
32
28
250
250
250
250
250
212
185
123
106
84
64
49
38
33
250
250
250
250
250
250
234
156
135
107
82
62
48
42
FINAL
R.P.M.
OUTPUT TORQUE (Nm)
RATIO
WORM
SPUR
Gearbox
Specification
Motor Speed
2800 r.p.m.
1 Phase
Motor Rating
100w
3 Phase
Motor Rating
120w
1 Phase
Motor Rating
150 w
1 Phase Cap Start
Induction Run
Motor Rating 190 w
3 Phase
Motor Rating
190 w
3 Phase
Motor Rating
250 w
SD 28 GWS SD 29 GWS
SD 13 GWS SD 18 GWS
SD 48 GWS
0.85
1.54
2.7
3.5
5
7
8
11
13.5
18
20.5
30.5
41
50
30:1
16 1/2:1
9 1/3:1
7 1/3:1
5 1/6:1
7 1/4:1
6 1/6:1
10 1/3:1
8 1/3:1
6 1/6:1
12 1/3:1
8 1/3:1
6 1/6:1
5 1/8:1
110:1
110:1
110:1
110:1
110:1
57:1
57:1
25:1
25:1
25:1
11:1
11:1
11:1
11:1
250
248
164
143
100
71
62
41
36
28
22
16
13
11
250
250
197
171
120
85
75
49
43
34
25
20
16
13.5
250
250
240
214
150
106
93
62
54
42
33
25
19
16.5
250
250
250
250
196
134
118
78
69
54
41
31
24
21
250
250
250
250
190
134
118
78
68
54
41
31
24
21
250
250
250
250
250
177
155
102
90
70
55
40
32
28
Ø 96
63
30
151.5
55
137
Ø 54
3
278
Ø 87.4
28.4
114
4.6
76
104
85
= 142 =
=120 =
SD 29 GWS
Dimensions in mm. Scale 1:4
Optional shaft at motor speed (terminal box end only) see separate motor drawing for details. (page 9).
Approx. weight: SD 29 GWS 10.62 Kg
Tapped 20mm conduit or PG 13.5 on request.
Optional (either side): 4 holes
on 75mm P.C.D. Can be tapped
M6
19mm deep.
4 holes tapped
M10
20mm deep.
25mm dia. h6 Keyway 6mm
63mm
long. Available both sides.
Also available with hollow shaft
(15mm I/D with 5mm keyway).
Voltage, Construction, Connections, Motor Performance Specifications and
Optional Extras
see pages 6, 8 and 10 for full details.
Minimum speed of 0.27 r.p.m. obtainable with 900 r.p.m. motor (SD 13/18).
GWS gearbox with hollow shaft
available on request
(15mm I/D with 5 mm keyway).
Motor C
L
Motor C
L
(1 Nm = 8.85 lbs. ins.) (1 Nm = 10.2 cmkp)