Technical Specification: Air Compressor motor Application Air Compressors Motor Type Capacitor-Start Enclosure Open Drip proof HP 6-1/2 Nameplate RPM 3510 Frame 182/4Y Voltage 240 Hz 60 Phase 1 Full Load Amps 23.0 Mounting Base Thermal Protection Manual Insulation Class B Service Factor 1.0 Bearings Ball Max. Ambient Temp. 40 Degrees C Rotation CCWSE Overall Length 15-11/16 Shaft Dia. 7/8 Shaft Length 2-1/4 Duty Continuous Standards UL Recognized, CSA Certified (LR38324) Capacitor Included Yes RPM Range 3001-3600.