Question: what is the difference between 2 pole and 4 pole motor?
Answer: A 4-pole motor has about 3.0 ft. -lbs of torque per horsepower where a 2-pole motor has 1.5 ft. ... At 60 Hz, a 4-pole motor is about 1800 rpm where a 2-pole motor is 3600 rpm. Thus, the 4-pole motor provides higher efficiency, higher torque per unit of volume and weight.