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Siemens MD 50.8 · 2017
Motors
Orientation
Technical specifications
4
■
Standards
The geared motors comply with all of the applicable
IEC/EN standards.
Tolerances
According to EN 60034, the following tolerances are permitted:
Motors which comply with EN 60034-1 must have a voltage
tolerance of ± 5 %/frequency tolerance of ± 2 % (Zone A).
If utilized, the admissible limit temperature of the temperature
class may be exceeded by 10 K.
IEC
EN
DIN/VDE
Title
IEC 60027-4
EN 60027-4
EN 60027-4
Formula symbols for electrical engineering, Part 4: Rotating electrical machines
IEC 60034-1
EN 60034-1
EN 60034-1
(VDE 0530-1)
Rotating electrical machines:
- Rating and performance
IEC 60034-2-1
EN 60034-2-1
EN 60034-2-1
(VDE 0530-2-1)
- Standard technique to determine the losses and efficiency based on testing
(with the exception of machines for track and road vehicles) (IEC 60034-2-1:2007);
German Edition EN 60034-2-1:2007
IEC 60034-5
EN 60034-5
EN 60034-5
(VDE 0530-5)
- Degrees of protection provided by integral design of rotating electrical machines
(IP code) - Classification
IEC 60034-6
EN 60034-6
EN 60034-6
(VDE 0530-6)
- Classification of cooling methods (IC code)
IEC 60034-7
EN 60034-7
EN 60034-7
(VDE 0530-7)
- Classification of types of construction, mounting types and terminal box position
(IM code)
IEC 60034-8
EN 60034-8
EN 60034-8
(VDE 0530-8)
- Terminal markings and direction of rotation
IEC 60034-9
EN 60034-9
EN 60034-9
(VDE 0530-9)
- Noise limits
IEC 60034-11
EN 60034-11
EN 60034-11
(VDE 0530-11)
- Built-in thermal protection
IEC 60034-12
EN 60034-12
EN 60034-12
(VDE 0530-12)
- Starting behavior of three-phase squirrel-cage induction motors, with the exception of
pole-changing motors
IEC 60034-14
EN 60034-14
EN 60034-14
(VDE 0530-14)
- Mechanical vibration of certain machines with shaft heights 56 mm and higher
IEC 60034-30-1
EN 60034-30-1
EN 60034-30-1
(VDE 0530-30)
- International efficiency classes for rotating electrical machines (IE code)
-
-
DIN VDE 0530-17
(VDE 0530-17)
- Inverter-fed squirrel-cage induction motors -
Application guide
IEC 60038
EN 60038
EN 60038
(VDE 0175-1)
IEC standard voltages
-
EN 50347
EN 50347
Three-phase induction motors for general applications with standardized dimensions
and power ratings – frame sizes 56 up to 315 and flange sizes 65 up to 740
IEC 60085
EN 60085
EN 60085
(VDE 0301-1)
Electrical insulation, thermal evaluation + designation
IEC 60445
EN 60445
EN 60445
(VDE 0197)
Identification of equipment terminals, conductor terminations and conductors
IEC 60529
EN 60529
EN 60529
(VDE 0470-1)
Degrees of protection provided by the enclosure (IP code)
IEC 62444
EN 62444
EN 62444
(VDE 0619)
Cable glands for electrical installation
-
-
DIN 42925
Terminal box cable entries for three-phase squirrel-cage induction motors at rated
voltages from 400 V to 690 V
Description
Tolerance
Efficiency
P
rated
150 kW: - 0.15 (1 -
)
P
rated
> 150 kW: - 0.1 (1 -
)
Power factor
(minimum 0.02/maximum 0.07)
1
cos
–
6
--------------------
Slip at full load and
operating temperature
± 20 % of the setpoint slip for
P
rated
1 kW
± 30 % of the setpoint slip for
P
rated
< 1 kW
Starting torque
-15 % and +25 %
Breakdown torque
-10 % without upper limit
Starting current
+20 % without lower limit
Moment of inertia
± 10 %
Description
Tolerance
© Siemens AG 2017