BRONZE
OUTPUT TORQUE (Nm)
FINAL
R.P.M.
COMPOSITE
COMPOSITE
COMPOSITE
COMPOSITE
BRONZE
BRONZE
BRONZE
*RATIO
Double 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:
MM or MBM
Speed Range: 1 80 r.p.m.
SD 1 MBM
SD 11 MM
Voltage, Construction, Connections, Motor Performance
Specifications and Optional Extras
see pages 44 and 46 for full details.
(1 Nm = 8.85 lbs. ins.) (1 Nm = 10.2 cmkp)
Maximum voltage 120V D.C.
Gearbox
Specification
Motor Speed
2000 r.p.m.
Series
Motor Rating
10 watts
Shunt
Motor Rating
10 watts
Series
Motor Rating
30 watts
Shunt
Motor Rating
50 watts
SD 1 MM/MBM
SD 11 MM/MBM
1
2
3
5
8
2480:1
1296:1
675:1
412:1
258:1
9
9
7.9
5.1
3.4
11.8
11.8
9
9
7.9
5.1
3.4
11.8
11.8
9
9
9
9
9
11.8
11.8
11.8
11.8
10.1
9
9
9
9
9
11.8
11.8
11.8
11.8
11.8
BRONZE
OUTPUT TORQUE (Nm)
FINAL
R.P.M.
COMPOSITE
COMPOSITE
COMPOSITE
COMPOSITE
BRONZE
BRONZE
BRONZE
*RATIO
Gearbox
Specification
Motor Speed
3000 r.p.m.
Series
Motor Rating
38 watts
Shunt
Motor Rating
38 watts
Series
Motor Rating
75 watts
Shunt
Motor Rating
95 watts
SD 1 MM/MBM
SD 11 MM/MBM
10
15
20
25
30
35
308:1
225:1
150:1
120:1
107:1
86:1
7.9
7.3
6.8
6.2
5.6
5.1
7.9
7.3
6.8
6.2
5.6
5.1
9
9
9
9
9
9
11.8
11.8
11.8
11.8
10.7
9.6
9
9
9
9
9
9
11.8
11.8
11.8
11.8
11.8
11.8
*Ratios are for guidance only and may be varied.
BRONZE
OUTPUT TORQUE (Nm)
FINAL
R.P.M.
COMPOSITE
COMPOSITE
COMPOSITE
COMPOSITE
BRONZE
BRONZE
BRONZE
*RATIO
Gearbox
Specification
Motor Speed
4000 r.p.m.
Series
Motor Rating
95 watts
Shunt
Motor Rating
125 watts
Series
Motor Rating
125 watts
Shunt
Motor Rating
150 watts
SD 11 MM/MBM
SD 12 MM/MBM
40
45
50
60
70
80
94:1
89:1
82:1
68:1
58:1
51:1
7.9
7.3
6.8
5.6
5.1
4.5
9
9
8.5
7.9
6.8
5.6
10.1
9
9
8.5
7.9
6.8
5.6
10.1
9
9
9
9
9
9
11.8
11.8
11.8
11.3
9.6
9
SD 12 MM
56