Rockwell Automation 150 MNL/SMC DIALOG+/APP-PROD GUIDE - Manual (Page 171)

Reference 10-9
Figure 10.7 Typical NEMA Design C Speed/Torque Curve
Starting Current: Low
Starting Torque: High
Breakdown Torque: Low
Full-load Slip: Low
Applications: The higher starting torque of NEMA Design C
motors makes them advantageous for use on
hard-to-start loads such as plunger pumps,
conveyors, and compressors.
Torque
Speed