User Manual 08/2003 Edition

02.99 05.03
2.5.2 Gearboxes for SIMODRIVE POSMO A – 300 W
Modular gearbox,
300 W motor
Siemens AG 2003 All rights reserved
SIMODRIVE POSMO A User Manual (POS1) – 08.03 Edition
2.5 Gearbox selection
For SIMODRIVE POSMO A – 300 W, the following gearboxes can be
selected and used according to Table 2-5:
Table 2-5 System data, modular gearbox with planetary gears
Gearbox Stage
type num- number
Without
gearbox
Step-
down
ratio
Effi-
ciency
Permissible
1)
Torque Rated
Available
speed
S1 S3
25 %
4 min
S3
6.25 %
4 min
n
(S1)
i Gearbox Gearbox [Nm] [Nm] [Nm] [Nm] [RPM]
– – – – 0.48 0.95 1.9 3500
1
Planetary
gear 2
2 Installing and Connecting–up
4 0.90 26 1.7 3.4 6.8 875
7 0.90 26 3.0 6.0 12.0 500
12 0.85 36 4.9 9.7 19.4 292
20 0.85 42 8.2 16.2 32.3 175
35 0.85 44 14.3 28.3 44.0 100
49 0.85 44 20.0 39.6 44.0 71
3 120 0.80 100 46.1 91.2 100.0 29
1) The specified permissible gearbox torque may not be exceeded.
The gearbox could be destroyed if this limit is exceeded.
The current limits of the positioning motor are preset in the factory so that gearboxes cannot be destroyed
due to being over–stressed.
Reader’s note
Additional gearbox data
Dimension drawings of motors
––> refer to Chapter 2.6.2
and gearboxes ––> refer to Chapter C.2
Gearbox-dependent parameters ––> refer to Chapter 5.6.3
Mounting or replacing gearboxes ––> refer to Chapter 7.2
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