low-voltage
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low-voltage
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Squirrel-cage motors<br />
Technical information<br />
Mechanical design<br />
■ Maximum axial load (continued)<br />
Horizontal 1LA, 1MA, and 1MJ motors<br />
2<br />
For motors 3000 rpm 1500 rpm 1000 rpm 750 rpm<br />
Loading direction Loading direction Loading direction Loading direction<br />
Size<br />
Type Tension Thrust Tension Thrust Tension Thrust Tension Thrust<br />
1LA5 . . .<br />
1MA6 . . .<br />
1MJ6 . . .<br />
1MJ7 . . .<br />
N N N N N N N N<br />
180 M<br />
180 L<br />
. . . . 183<br />
. . . . 186<br />
200 L . . . . 206<br />
. . . . 207<br />
225 S<br />
225 M<br />
. . . . 220<br />
. . . . 223<br />
1400<br />
–<br />
2000<br />
1950<br />
–<br />
2390<br />
1400<br />
–<br />
2000<br />
1950<br />
–<br />
1370<br />
1700<br />
1700<br />
–<br />
2450<br />
2980<br />
2900<br />
1700<br />
1700<br />
–<br />
2450<br />
1960<br />
1880<br />
–<br />
2050<br />
3000<br />
2900<br />
–<br />
3380<br />
–<br />
2050<br />
3000<br />
2900<br />
–<br />
2360<br />
–<br />
2400<br />
–<br />
3400<br />
3880<br />
3810<br />
250 M . . . . 253 2450 1655 3070 2270 3620 2820 4000 3200<br />
280 S<br />
280 M<br />
315 S<br />
315 M<br />
. . . . 280<br />
. . . . 283<br />
. . . . 310<br />
. . . . 313<br />
315 L . . . . 316<br />
. . . . 317<br />
. . . . 318<br />
1330 (3700)*<br />
1200 (3600)*<br />
1500 (3800)*<br />
1400 (3650)*<br />
1080<br />
940<br />
940<br />
2900 (2100)*<br />
2800 (2000)*<br />
3160 (2200)*<br />
3180 (2050)*<br />
2740<br />
2600<br />
2600<br />
5080 (4200)*<br />
4990 (4000)*<br />
5350 (4900)*<br />
5260 (4900)*<br />
4580<br />
4170<br />
4170<br />
6740 (2600)*<br />
6650 (2400)*<br />
7450 (3300)*<br />
7360 (3300)*<br />
6680<br />
6270<br />
6270<br />
6410 (5000)*<br />
6260 (4800)*<br />
6740 (5500)*<br />
6560 (5450)*<br />
5770<br />
5410<br />
5410<br />
8070 (3400)*<br />
7920 (3200)*<br />
8810 (3900)*<br />
8660 (3850)*<br />
7870<br />
7510<br />
7510<br />
7390 (5550)*<br />
7220 (5350)*<br />
8010 (6500)*<br />
7690 (6250)*<br />
6820<br />
6410<br />
6410<br />
–<br />
2400<br />
–<br />
3400<br />
2860<br />
2790<br />
9050 (3950)*<br />
8880 (3750)*<br />
10110 (4900)*<br />
9790 (4650)*<br />
8920<br />
8510<br />
8510<br />
■The maximum loads refer to<br />
50 Hz. Please inquire about<br />
60 Hz operation.<br />
The figures for the maximum axial<br />
loads have been calculated<br />
assuming that standard coupling<br />
types are used for the<br />
drive. For suppliers, see catalogue<br />
section "Accessories and<br />
Repair parts".<br />
Please enquire about 1MJ8 and<br />
1MJ1 motors.<br />
Please ask for advice if the loading<br />
direction alternates.<br />
For 1LA8 motors with horizontal<br />
design, the permitted cantilever<br />
forces are given in dependence<br />
on the axial forces, see<br />
Page 2/38.<br />
* Bracketed values with frame sizes<br />
280 S to 315 M apply to 1MJ7 motors.<br />
Siemens M 11 · 2003/2004 2/43
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