SIEMENS
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Siemens MD 50.8 · 2017
Introduction
Guidelines for selection and ordering
Notes on selection tables
1
■
Structure of the motor power tables
Left-hand side
For different voltages, the starting, average acceleration and breakdown torque change acc. to a square law from their rated value.
Right-hand side
Frame
size
Motor
P
rated
n
rated
T
rated
I
rated
cos
I
St
/
I
rated
Article No.
Order
code
4/4 load
3/4 load
Data position
Number
of poles
kW
rpm
Nm
A
-
%
%
-
9th
10th
11th
12th
4-pole, 1 500 rpm at 50 Hz
80
LE80MD4E
0.55
1 440
3.65
1.37
0.74
78.1
78.6
5.3
D
C
2
2
-
LE80MH4E
0.75
1 440
4.97
1.79
0.76
79.6
79.6
5.6
D
E
2
2
-
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(8)
(9)
(10) (10)
(11)
(12)
(13)
(1)
Motor frame size
(2)
Motor designation
(3)
Rated power
(4)
Rated speed
(5)
Rated torque
(6)
Rated current
(7)
Power factor
(8)
Efficiency
(9)
Relative starting current
(10)
Article No. of the motor frame size
(11)
Article No. of the motor type
(12)
Article No. of the motor series
(13)
Order code for number of poles
Frame
size
Motor
T
St
/
T
rated
T
Bk
/
T
rated
T
A
/
T
rated
L
pfA
L
WA
Z
0
J
mot
m
mot
Article No.
Order
code
Data position
Number
of poles
-
-
-
dB (A)
dB (A)
1/h
10
-4
kgm²
kg
9th
10th
11th
12th
4-pole, 1 500 rpm at 50 Hz
80
LE80MD4E
2.2
3.1
2.4
53
64
10 000
17
9.3
D
C
2
2
-
LE80MH4E
2.2
3.1
2.4
53
64
10 000
21
10
D
E
2
2
-
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11) (11)
(12)
(13)
(14)
(1)
Motor frame size
(2)
Motor designation
(3)
Relative starting torque
(4)
Relative breakdown torque
(5)
Relative average acceleration torque
(6)
Measuring surface sound pressure level
(7)
Sound power level
(8)
No-load switching frequency
(9)
Moment of inertia
(10)
Weight (without end shield at DE)
(11)
Article No. of the motor frame size
(12)
Article No. of the motor type
(13)
Article No. of the motor series
(14)
Order code for number of poles
© Siemens AG 2017