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2<br />
Squirrel-cage motors<br />
Technical information<br />
Mechanical design<br />
■ Maximum axial load<br />
Vertical 1LA, 1MA, and 1MJ motors<br />
Size With shaft extension<br />
3000 rpm 1500 rpm 1000 rpm 750 rpm<br />
downwards upwards downwards upwards downwards upwards downwards upwards<br />
Load Load Load Load Load Load Load Load<br />
down up down up down up down up down up down up down up down up<br />
N N N N N N N N N N N N N N N N<br />
56 80 245 230 95 80 330 310 95 80 410 390 95 – – – –<br />
63 80 245 230 95 80 330 310 95 80 410 390 95 – – – –<br />
71 105 365 335 130 90 380 440 130 90 590 550 130 90 700 660 130<br />
80 110 425 360 160 100 540 480 165 100 650 590 165 100 760 700 165<br />
90 110 440 360 180 100 680 580 190 100 920 820 190 100 1150 1050 190<br />
100 140 700 550 280 130 990 820 285 130 1280 1110 285 130 1560 1390 285<br />
112 140<br />
(140)*<br />
132 200<br />
(1500)*<br />
160 1500<br />
(2000)*<br />
Vertical 1LG motors, basic version<br />
2/40<br />
710<br />
(1050)*<br />
1200<br />
(1550)*<br />
1400<br />
(1720)*<br />
550<br />
(800)*<br />
950<br />
(1300)*<br />
950<br />
(1300)*<br />
Siemens M 11 · 2003/2004<br />
300<br />
(300)*<br />
470<br />
(470)*<br />
1900<br />
(2500)*<br />
130<br />
(130)*<br />
180<br />
(1500)*<br />
1900<br />
(2500)*<br />
1000<br />
(1350)*<br />
1680<br />
(2100)*<br />
1800<br />
(2400)*<br />
820<br />
(1100)*<br />
1200<br />
(1600)*<br />
1300<br />
(1720)*<br />
310<br />
(300)*<br />
470<br />
(470)*<br />
2200<br />
(2800)*<br />
130<br />
(130)*<br />
180<br />
(280)*<br />
2200<br />
(2800)*<br />
1290<br />
(1720)*<br />
1900<br />
(2400)*<br />
2200<br />
(2800)*<br />
1110<br />
(1500)*<br />
1600<br />
(2100)*<br />
1600<br />
(2130)*<br />
310<br />
(310)*<br />
470<br />
(470)*<br />
2700<br />
(3600)*<br />
130<br />
(130)*<br />
190<br />
(290)*<br />
2700<br />
(3600)*<br />
For motors With shaft extension downwards<br />
Size Type 3000 rpm 1500 rpm 1000 rpm 750 rpm<br />
1LG4 . . .<br />
1LG6 . . .<br />
Load<br />
down<br />
Load<br />
up<br />
Load<br />
down<br />
1570<br />
(2000)*<br />
2200<br />
(2800)*<br />
2700<br />
(3600)*<br />
1390<br />
(1850)*<br />
1900<br />
(2400)*<br />
1950<br />
(2600)*<br />
N N N N N N N N<br />
180 M . . . . 183 1140 1150 1500 1600 – – – –<br />
180 L . . . . 186 – – 1380 1630 1650 2000 2020 2250<br />
. . . . 188 1140 1190 1390 1650 1640 2030 1880 2280<br />
200 L . . . . 206 1610 1480 – – 2420 2550 – –<br />
. . . . 207 1510 1530 2030 2100 2220 2610 2610 2970<br />
. . . . 208 1510 1590 1990 2120 2210 2680 2600 3060<br />
225 S . . . . 220 – – 2110 2690 – – 2830 3710<br />
225 M . . . . 223 1540 1990 1920 2770 2260 3300 2620 3770<br />
. . . . 228 1540 2070 1950 2840 2240 3430 2610 3880<br />
250 M . . . . 253 1680 2760 2110 3740 2740 4350 3070 4920<br />
250 M . . . . 258 1660 2870 2110 3960 2740 4520 3070 5160<br />
280 S . . . . 280 390 4670 3190 8200 4510 9290 5510 10300<br />
280 M . . . . 283 100 4780 2790 8340 4210 9450 5200 10400<br />
. . . . 288 100 4950 2700 8570 4170 9600 5160 10600<br />
315 S . . . . 310 840 6330 3380 10200 4760 11500 5860 12600<br />
315 M . . . . 313 530 6490 2870 10500 4200 11800 5420 12900<br />
315 L . . . . 316 8830 590 2450 11000 3680 12300 4800 13400<br />
. . . . 317 8410 690 1800 11400 3100 12800 4410 13900<br />
. . . . 318 8170 800 1620 12000 2690 13400 3820 14300<br />
Values shown without assuming<br />
a cantilever force on the shaft<br />
end.<br />
* Bracketed values with frame sizes<br />
112 to 160 apply to 1MJ6 motors.<br />
Load<br />
up<br />
Load<br />
down<br />
Load<br />
up<br />
Load<br />
down<br />
Load<br />
up<br />
310<br />
(310)*<br />
440<br />
(440)*<br />
2900<br />
(3700)*
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