Appendix A1: Motor Rotor Inertia, US
190
25
2 3560 284TS 28.1 37.0 2.40
4 1774 284T 31.0 74.0 4.00
6 1180 324T 32.0 112.0 11.0
30
2 3560 286TS 33.8 44.5 2.60
4 1773 286T 36.5 88.5 4.50
6 1175 326T 38.5 134.0 12.5
40
2 3545 324TS 47.0 59.5 5.10
4 1775 324T 46.0 118.0 9.00
6 1185 364T 49.5 177.0 20.0
50
2 3545 326TS 58.0 74.0 6.10
4 1770 326T 58.0 148.0 10.0
6 1185 365T 61.0 222.0 23.5
60
2 3555 364TS 67.0 88.5 6.50
4 1775 364T 69.0 177.0 14.5
6 1185 404T 72.0 266.0 35.0
75
2 3555 365TS 84.0 110.0 7.50
4 1775 365T 86.0 222.0 17.0
6 1185 405T 90.0 332.0 40.5
100
2 3565 405TS 108.0 147.0 12.0
4 1775 405T 113.0 295.0 29.0
6 1190 444T 119.0 441.0 61.5
125
2 3570 444TS 136.0 184.0 21.0
4 1780 444T 141.0 369.0 33.0
6 1185 445T 155.0 553.0 61.0
150
4 1785 445T 172.0 441.0 58.0
6 1185 445T 180.0 662.0 109.0
200
4 1785 445T 225.0 588.0 58.0
6 1190 449T 240.0 883.0 109.0
250
4 1785 449T 285.0 735.0 74.5
6 1190 449T 300.0 1104.0 134.0
300 4 1785 449T 339.0 882.0 88.5
350 4 1875 449T 395.0 1030.0 90.7
Horsepower Poles
Base
RPM
NEMA
Frame
FL Amps /
460 V
FL Torque
(lbft)
Inertia
(lbft
2
)