Single Phase, Motor Design Permanent Split Capacitor, 1/3, 1/5 HP, Nameplate RPM 1,075, No. of Speeds 2, Voltage 208-230V AC, Full Load Amps 1.8/1.1 A, 48 Frame, OEM Replacement Brand Rheem/Ruud, Replacement For 51-23053-21, Usable @ 208V Usable at 208V, Usable @ 200V Not Usable at 200V, 60 Hz, Motor Service Factor 1, Motor Thermal Protection Auto, Ins. Class F, Max. Ambient Temp. 40 Degrees C, Motor Shaft Rotation CW/CCW, Motor Enclosure Design Totally Enclosed Air-Over