Siemens 1LA7 Manual De Usuario
IEC Squirrel-Cage Motors
Recoding overview of Order No. from motor series 1LA7/1LA9 to 1LE1
Order No. code for motors 1LA7/1LA9
2
Siemens Supplement to Catalog D 81.1 · 2008
■
Overview
The Order No. comprises a combination of letters and digits and
for clarity it is subdivided into two blocks which are connected
by hyphens, e. g.:
for clarity it is subdivided into two blocks which are connected
by hyphens, e. g.:
1LA7113-4AA19-Z
M1F + A11 + G17
M1F + A11 + G17
The first block (positions 1 to 7) identifies the motor type; further
characteristics of the version are coded in the second block
(positions 8 to 12).
characteristics of the version are coded in the second block
(positions 8 to 12).
For deviations in the second block from the catalog codes, either
-Z
or
9
should be used as appropriate.
Ordering data:
• Complete Order No. and order code(s) or plain text.
• If a quotation has been requested, please specify the quota-
tion number in addition to the Order No.
• When ordering a complete motor as a spare part, please
specify the works serial No. for the previously supplied motor
as well as the Order No.
as well as the Order No.
Ordering example
Structure of the Order No.:
Position:
1
2
3
4
5
6
7
-
8
9
10 11
12
IEC squirrel-cage motors, surface-cooled
Positions 1 to 3:
Digit, letter, letter
• Self-ventilated by fan mounted on and driven by rotor, aluminum or
cast-iron housing
1
L
A
Position 4:
Digit
Type series 7
Type series 9
Type series 9
7
9
9
Positions 5 to 7:
3 digits
3 digits
Motor frame size (frame size comprising shaft height and
construction length, codes from 050 to 457)
construction length, codes from 050 to 457)
Position 8:
Digit
Digit
Number of poles
Positions 9 to 10:
Letter
Letter
Version
Position 11:
Digit
Digit
Voltage, circuit and frequency
Position 12:
Digit
Digit
Type of construction
Special order versions:
Encoded – additional order code required
Not encoded – additional plain text required
Encoded – additional order code required
Not encoded – additional plain text required
- Z
Selection criteria
Requirement
Structure of the Order No.
Motor type
Standard motor with improved efficiency,
IP55 degree of protection, aluminum housing
IP55 degree of protection, aluminum housing
1LA7
-
Motor frame size/No. of poles/speed
112M/4-pole/1500 rpm
1LA7
113
-
4AA
Rated output
4 kW
Voltage and frequency
230 V
Δ/400 VY, 50 Hz
1LA7113-4AA
1
Type of construction
IM V5 with protective cover
1LA7113-4AA1
9
M1F
Special versions
3 PTC thermistors
1LA7113-4AA19
-Z
M1F
A11
Mounted separately driven fan
1LA7113-4AA19
-Z
M1F A11
G17
© Siemens AG 2008