C e n t u ry® Single Phase Motors

www.aosmithmotors.com 1 3

1⁄4 1800 115/230 5.4/2.7 1.35 48 C139 RS1024A Sleeve Cushion Auto A 9.52 3

115/230 5.4/2.7 1.35 48 C196 Ball Cushion Auto A 9.52

115/230 4.4/2.2 1.35 48 C149 Ball Cushion Auto B 9.94 2

115/230 5.4/2.7 1.35 48 C138 OB1024 Ball Rigid None A 9.52 3

115/230 5.4/2.7 1.35 48 C157 Ball Rigid Auto A 9.52

115/208-230 5.2/2.2-2.6 1.35 56 C199 Ball Rigid Auto B 10.07

1200 115/208-230 5.0/2.4-2.5 1.35 56 C202 Ball Rigid Auto B 11.07

1⁄3 3600 115/208-230 6.2/3.4-3.1 1.25 48 B171 Ball Cushion Auto A 9.94

115/208-230 5.2/2.7-2.6 1.35 56 B413 Ball Rigid Auto A 10.07

1800 115/230 5.8/2.9 1.35 48 C110 RS1035A Sleeve Cushion Auto B 9.94 3

115/230 5.8/2.9 1.35 48 C105 Ball Cushion None A 9.94

115/230 5.8/2.9 1.35 48 C102 Ball Rigid Auto A 9.94

115/230 5.8/2.9 1.35 48 C109 Ball Rigid None A 9.94

115/230 5.2/2.6 1.35 56 C309 Ball Cushion Auto B 11.07 2

115/208-230 6.6/3.0-3.3 1.35 56 C403 Ball Cushion Auto B 11.07

115/208-230 6.6/3.0-3.3 1.35 56 C455 Sleeve Cushion Auto B 11.07

115/208-230 6.6/3.0-3.3 1.35 56 C226 Ball Cushion None B 11.07

115/230 5.2/2.6 1.35 56 C308 Ball Rigid Auto B 11.07 2

115/208-230 6.6/3.0-3.3 1.35 56 C222 Ball Rigid Auto B 11.07

115/208-230 6.6/3.0-3.3 1.35 56 C457 Ball Rigid None B 11.07

115/208-230 6.6/3.0-3.3 1.35 56 C224 Ball Rigid Manual B 11.07

1200 115/208-230 6.0/3.0-3.0 1.35 56 C231 Sleeve Cushion None B 11.44

1⁄2 3600 115/208-230 8.0/3.8-4.0 1.25 48Y B590 Ball Cushion Auto B 9.94 1

115/208-230 8.0/3.8-4.0 1.25 48 B172 Ball Rigid None B 9.94

115/208-230 7.4/3.5-3.7 1.25 56 B512 Ball Rigid None B 11.07

1800 115/230 7.2/3.6 1.25 56 C461 Ball Cushion Auto B 11.07 2

115/230 8.2/4.1 1.0 56 C690 Sleeve Cushion Auto A 11.07

115/208-230 9.0/4.0-4.5 1.25 56 C607 Sleeve Cushion Auto B 11.07

115/208-230 9.0/4.0-4.5 1.25 56 C606 C634 Sleeve Cushion None B 11.07 3

115/208-230 9.0/4.0-4.5 1.25 56 C634 Ball Cushion None B 11.07

115/208-230 9.0/4.0-4.5 1.25 56 C412 Ball Cushion Auto B 11.07

115/230 7.2/3.6 1.25 56 C460 Ball Rigid Auto B 11.07 2

115/230 8.2/4.1 1.0 56 C325 Ball Rigid Auto A 11.07

115/208-230 9.0/4.0-4.5 1.25 56 C630 Ball Rigid Auto B 11.07

115/230 8.2/4.1 1.0 56 C645 Sleeve Rigid None A 11.07

115/208-230 9.0/4.0-4.5 1.25 56 C605 Sleeve Rigid Auto B 11.07 3

115/208-230 9.0/4.0-4.5 1.25 56 C608 Ball Rigid None B 11.07

115/208-230 9.0/4.0-4.5 1.25 56 C320 Ball Rigid Manual B 11.07

1200 115/208-230 8.4/4.0-4.2 1.25 56 C420 Ball Rigid None B 12.19

3⁄4 3600 208-230/115 4.7-4.6/9.2 1.25 56 B588 Ball Cushion Auto B 11.07

208-230/115 4.7-4.6/9.2 1.25 56 B642 Sleeve Cushion Auto A 11.07

208-230/115 4.7-4.6/9.2 1.25 56 B665 Ball Rigid None B 11.07

208-230/115 4.7-4.6/9.2 1.25 56 B643 Ball Rigid Manual A 11.07

1800 208-230/115 5.4-5.5/11.0 1.25 56 C666 Ball Cushion None B 11.07

208-230/115 5.4-5.5/11.0 1.25 56 C426 Ball Cushion Auto B 11.07

208-230/115 5.4-5.5/11.0 1.25 56 C653 C666 Sleeve Cushion None B 11.07 3

208-230/115 5.4-5.5/11.0 1.25 56 C654 Sleeve Cushion Auto B 11.07

230/115 4.3/8.6 1.25 56 C527 Ball Cushion Auto B 12.19 2

230/115 5.0/10.0 1.00 56 C691 Sleeve Cushion Auto A 11.07

Capacitor Start • Dripproof • Rigid & Cushion Base 

• 3600, 1800 & 1200 RPM • 1

⁄4 thru 10 HP

Features: Ball & Sleeve Bearings • 60 Hz • 40°C Ambient • Class A or B Insulated • Reversible • Starting and 

pull-up torques more than double those of split phase motors with one third less starting current

Applications: Compressors, pumps, conveyors, milking machines, blowers, fans

C654

Continued on next page Notes:

1.48-56 Frame mounting — 3" shaft height, sleeve and key adapter to 5/8" shaft 

2. 60/50 Hertz

3. Item to be discontinued when stock is depleted

Full Load Service Stock Overload Insul. "C"

HP RPM Volts Amps Factor Frame Number Alternate Bearings Base Protector Class Dim. Notes

EERE-2007-BT-STD-0007 COMMENT 30