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Permanent Split Capacitor Shaded Pole Motors NEMA Horsepower and Speed Ratings

Electric Motors Design and Engineering

Typical NEMA horsepower and speed ratings for permanent Split Capacitor and Shaded Pole Motors rated at 115, 200, and 230 volts.

Permanent Split Capacitor and Shaded Pole Motors, NEMA Horsepower and Speed Ratings

Permanent Split Capacitor Motors
HP
60-Hertz
Synchronous
Rpm
Approximate
RPM at
Rated Load
50-Hertz
Synchronous
Rpm
Approximate
RPM at
Rated Load
1, 1.25, 1.5, 2, 2.5, 3, 4, 5,
6, 8, 10, 12.5, 16, 20, 25,
30, and 40
millhorsepower
3600
1800
1200
900
3000
1550
1050
800
3000
1500
1000
...
2500
1300
875
...
1/20, 1/15, 1/12, 1/10,
1/8, 1/6, 1/5, 1/4 and 1/3
horsepower
3600
1800
1200
900
3250
1625
1025
800
3000
1500
1000
...
2700
1325
900
...
Shade Pole Motors
1, 1.25, 1.5, 2, 2.5, 3, 4, 5,
6, 8, 10, 12.5, 16, 20, 25,
30, and 40
millhorsepower
1800
1200
900
1550
1050
800
1500
1000
...
1300
850
...
1/20, 1/15, 1/12, 1/10,
1/8, 1/6, 1/5, and 1/4
horsepower
1800
1200
900
1550
1050
800
1500
1000
...
1300
875
...