3HP Air Compressor Motor: 3HP 3450 RPM, Single Phase, Full Load Amps: 15.5A, 230V. Frame Type: 56 Frame, 5/8" Keyed shaft, Shaft length-1.88". Open Drip-proof: Suggest using in clean and dry environments. Made of high-quality steel material, it can protect the engine, longer service life. Dual Rotation Direction: Motor is Reversible for CCW/CW rotation (Factory Setting is CCW), provides easier wiring operations. Safe & Durable: Tested with CSA certification. A rolled steel shell, fast heat dissipation and compatible keyed shaft for longtime usage. PLEASE NOTE: The circuit breaker supplied by the customer should be 40 amps. Friendly Reminder: We have added one purchase guide image for your reference. You can click on the image details to view it.