SIEMENS
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Siemens D 83.1 · 2016
1
Introduction
Guide to selecting and ordering the motors
Drive selection and catalog orientation
■
Overview
Steps for drive selection
Structure of the selection and ordering tables
Note on pole-changing motors:
The operating values are specified here for the rated power for the 2 or 3 different pole numbers.
Step 1
Orientation and general technical information
Technical requirements
for the motor
Rated frequency and
rated voltage
50/60 Hz 3 AC
400/500/690 V
Operating mode
Standard duty (continuous duty S1 according to EN 60034-1)
Degree of protection or type of explosion
protection required
IP..
Rated speed (No. of poles)
n
= ….. rpm
Rated power
P
= ….. kW
Rated torque
T
=
P
· 9550/
n
=
.....
Nm
Type of construction
IM..
Step 2
Preselection in accordance with the application
Determination of the
installation conditions and
definition of the application,
if necessary
Ambient temperature
40 °C
> 40 °C
Installation altitude
1000 m
> 1000 m
Factors for derating
None
Determine the factor for derating
(for reduction factor, see "Information about
electric motor dimensioning")
Cross-reference to other motors
These can be SIMOTICS motors for special requirements and applications or motors to the NEMA standard
Step 3
Preliminary selection of the motor
Determination of the range of
possible motors
Select the frame size and therefore the possible motors on the basis of the following parameters: cooling method,
degree of protection, rated power, rated speed and rated torque range.
Note: The standard temperature range of the motors is from -20 to +40 °C.
Power, frame size,
temperature class
Operating values at rated power
Article No.,
add. data
Table header – Meaning
P
rated,
50 Hz
P
rated,
60 Hz
P
rated,
60 Hz
Frame
size
n
rated
,
50 Hz
T
rated
,
50 Hz
IE
class
rated,
50 Hz,
4/4
rated,
50 Hz,
3/4
rated,
50 Hz,
2/4
cos
rated,
50 Hz,
4/4
I
rated,
50 Hz,
400 V
I
rated,
50 Hz,
690 V
T
LR
/
T
rated
I
LR
/
I
rated
T
B
/
T
rated
Article
No.
m
IM B3
J
kW
kW
hp
FS
rpm
Nm
%
%
%
A
A
kg
kgm
2
Rated power
at 50 Hz
Rated power
at 60 Hz
Rated power
at 60 Hz
Frame size
Rated speed
at 50 Hz
Rated torque
at 50 Hz
Efficiency class according
to IEC 60034-30-1 standard
Efficiency at 50 Hz
4/4 load
Efficiency at 50 Hz
3/4 load
Efficiency at 50 Hz
2/4 load
Power factor at 50 Hz
4/4 load
Rated current at 400 V
50 Hz
Rated current at 690 V,
50 Hz
Locked-rotor torque on
direct switch-on as a
multiple of the rated torque
Locked-rotor current on
direct switch-on as a
multiple of the rated current
Breakdown torque on direct
switch-on as a multiple of
the rated torque
Article number
Weight for IM B3 type of
construction approx.
Moment of inertia
Legend:
Primary key
Standard values for all motors
Specially for versions for converter operation
Step 4
Detailed selection of the motors in the selection and ordering data tables
Determination of the basic
Article No. of the motor
Determine the motor Article No. according to the following parameters: rated power, rated speed, rated torque and
rated current from the "Selection and ordering data" for the motors that have already been identified as possibilities.
Step 5
Selection of the special versions or options
Completing the
motor Article No.
Determine special versions and the associated order codes (e.g. special voltages and types of construction, motor
protection and degrees of protection, windings and insulation, colors and paint finish, mountings and mounting
technology, etc.).
Step 6
Additional information for motor selection
Checking the required
measurements
The dimensions are specified in each catalog section under the heading of "Dimensions".
Selection of the frequency
converter, if required
Article No. of the converter as well as its selection, see Catalogs D 11, D 11.1, D 18.1, D 21.3, D 31 and DA 51.2.
© Siemens AG 2016