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Squirrel-cage motors<br />
Technical information<br />
Type of construction to EN 60 034-7 Size Code<br />
12th position<br />
IM B3<br />
IM B 6/IM 1051,<br />
IM B 7/IM1061,<br />
IM B 8/IM1071<br />
IM V 5/IM1011<br />
without canopy<br />
IM V 6/IM 1031<br />
IM V 5/IM 1011<br />
with canopy<br />
Flange<br />
IM B 5/IM 3001<br />
IM V 1/IM 3011<br />
without canopy<br />
IM V 1/IM 3011<br />
with canopy<br />
IM V 3/IM 3031<br />
IM B 35/IM 2001 6 )<br />
Mechanical design<br />
56 M to 450 0 4 ) –<br />
56 M to 315 L 0 –<br />
56 M to 315 M<br />
315 L<br />
56 M to 315 M<br />
315 L<br />
0<br />
9 1 )<br />
0<br />
9 1 )<br />
Order Code<br />
–<br />
M1D<br />
–<br />
M1E<br />
63 M to 315 L 9 1 ) 7 ) M1F<br />
56 M to 315 M 1 2 ) –<br />
56 M to 315 M<br />
315 L to 450<br />
1 2 ) 3 )<br />
8 4 ) 5 ) 1 )<br />
63 M to 450 4 1 ) 2 ) 3 ) 5 ) 7 ) –<br />
56 M to 160 L<br />
180 M to 315 M<br />
The flanges are assigned to the frame sizes as FF with through-holes in DIN EN 50 347.<br />
A-flanges acc. to DIN 42 948 are still valid.<br />
1) 60 Hz is available for 2-pole<br />
1LG4 and 1LG6 motors with<br />
frame size 315 L on request.<br />
2) The 1LG4/1LG6, 1MA6, and<br />
1MJ7 motors with frame sizes<br />
between 225 S and 315 L are delivered<br />
with two bolted eyebolts<br />
(four eyebolts for 1LG6 318) ac-<br />
cording to IM B 5, one of which<br />
may be repositioned acc. to<br />
IM V 1 or IM V 3. Care must be<br />
taken to avoid stress perpendicular<br />
to the eyebolt.<br />
3) With frame sizes between 180 M<br />
and 225 M, the 1LA5 motors are<br />
available with two additional eye-<br />
1<br />
9 2 ) 3 )<br />
56 M to 450 6 4 ) –<br />
bolts; please state order suffix "Z"<br />
and Order Code K32.<br />
4) Frame size 450, 2-pole, 60 Hz<br />
not available.<br />
5) 60 Hz design is not available for<br />
2-pole 1LA8 motors with frame<br />
size 355 or larger.<br />
–<br />
–<br />
–<br />
M1G<br />
6) With 1LA8, the related flange<br />
diameter is greater than double<br />
the shaft height.<br />
7) Second K16 shaft extension not<br />
available.<br />
Siemens M 11 · 2003/2004 2/25<br />
2