Standard Motor Catalog

Section TR Technical Reference Guide

PULL-UP TORQUE The pull-up torque for NEMA design A, B and C motors are listed in Table 7 with rated voltage and frequency applied, and torques will not be less than the following:

Table 7: Minimum Pull-up Torque - NEMA MG-1, Part 12 (% of Full Load Torque)

Hp

Design A and B

Design C

RPM @ 60 HZ 3600 RPM @ 50 HZ 3000

1800 1500

1200 1000

900 750 100 120 115 110 110 105 105 105 100 100 100 100 100 100 100 100 100 100 100 100 900 750 215 210 210 205 205 200 200 200 200 200 200 200 200 200 200 200 200 200 200 175 90 - -

720

600

514

1800 1500

1200 1000

900 750 165 160 160 160 160 150 150 140 140 140 140 140 140 140 140 140 140 140 140 900 750 225 225 225 225 225 225 225 225 200 200 200 200 200 200 200 200 200 200 200 - - - -

-

-

-

0.75

- -

-

120 120 115 110 110 105 105 105 100 100 100 100 100 100 100 100 100 100 100 100

100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100

100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100

100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100

-

-

1

190 175 165 150 130 120 115 110 105 105 105 100 100 100 100 100 100 100

195 195 195 180 180 175 175 165 165 150 150 150 150 140 140 140 140 140 140

180 175 175 175 175 165 165 150 150 150 150 150 150 140 140 140 140 140 140

1.5

120 120 110 105 100 100 100 100 100 100 100 100 100

2 3 5

7.5

10 15 20 25 30 40 50 60 75

95 95 90 90 90 65 65 65

100 125 150 200 250

90 75 75 75

- - - -

- - - -

90 90

- - -

- - -

- - -

300-350 400-500

-

BREAKDOWN TORQUE

Table 8: Minimum Breakdown Torque - NEMA MG-1, Part 12 (% of Full Load Torque)

Hp

Design A and B

Design C

TECHNICAL REFERENCE GUIDE RPM @ 60 HZ 3600 1800 RPM @ 50 HZ 3000 1500

1200 1000

720

600

514

1800 1500

1200 1000

-

-

-

1

-

300 280 270 250 225 215 200 200 200 200 200 200 200 200 200 200 200 200 200 175 175 175 175

265 250 240 230 215 205 200 200 200 200 200 200 200 200 200 200 200 200 200 175 175 175

200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200

200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200

200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200 200

285 285 285 270 271 272 273 274 200 200 200 200 200 200 200 200 200 200 200

255 250 250 250 250 250 250 250 200 200 200 200 200 200 200 200 200 200 200

1.5

250 240 230 215 200 200 200 200 200 200 200 200 200 200 200 200 200 200 175 175 175 175

2 3 5

7.5

10 15 20 25 30 40 50 60 75

100 125 150 200 250 300 300

- - - - - -

- - - - -

- - - -

-

- - - -

- - - -

- - -

- - -

400-500

-

TR.12

Data subject to change without notice. 03/24 • www.wolongamerica.com