Baldor MN770 User Manual
Page 16

Section 1
General Information
Application Considerations 3-5
MN770
Table 3-2 can be used to determine the size control and motor to use for your application.
Find the “Car Speed” column in the first row of the table. Follow that column down to find
the “Car Capacity” row. Follow that row to the left and read the recommended HP/KW
size of the motor.
Table 3-2 Motor Sizing
Car Speed Feet / Min.
100
150
200
250
300
350
400
500
700
Car Speed Meters / Sec.
0.5
0.75
1.0
1.25
1.5
1.75
2.0
2.5
3.5
Assumed Mechanical Efficiency
55%
58%
60%
62%
63%
64%
64%
67%
70%
Motor HP
Car Capacity in Pounds
Motor kW
Car Capacity in Kilograms
7.5
2300
1600
1250
1030
870
750
660
550
410
5.6
1045
727
568
468
395
341
300
250
186
10
3000
2150
1660
1370
1150
1000
880
740
550
7.5
1364
977
755
623
1150
455
400
336
250
15
4500
3200
2500
2060
1730
1500
1310
1100
410
11.2
2045
1455
1136
936
786
682
595
500
373
20
6050
4300
3300
2750
2300
2000
1750
1470
1090
14.9
2750
1955
1500
1250
1045
909
795
668
495
25
7500
5400
4150
3400
2880
2500
2190
1840
1370
18.6
3409
2455
1886
1545
1309
1136
995
836
623
30
9100
6400
4950
4000
3470
3000
2620
2210
1640
22.4
4136
2909
2250
1818
1577
1364
1191
1005
745
40
12100
8600
6650
5450
4620
4000
3500
2950
2180
29.8
5500
3909
3023
2477
2100
1818
1591
1341
991
50
15125
10700
8300
6840
5760
5000
4370
3670
2730
37.3
6875
4864
3773
2945
2618
2273
1986
1668
1241
60
18150
12870
9900
8200
6940
6000
5250
4430
3280
44.8
8250
5850
4500
3727
3155
2727
2386
2014
1491
75
22685
16090
12375
10300
8650
7500
6560
5520
4100
56
10311
7314
5625
4682
3932
3409
2982
2509
1864