There are 10 New NEMA 182TC or 184TC frame Marathon motors with YxxxA catalog numbers that match frame size, horsepower and are equivalent in dimension, weight and performance to non "A" suffix models they replace. Refer to the motor drawings for any minor differences from the previous models. The wide variety of available Marathon AC motors includes induction motor models ranging from 1/4 HP to 100 HP and feature dual 230/460 VAC and 575 VAC voltages with a base speed of 1200 RPM or 1800 RPM. Marathon vector-duty and inverter-duty industrial motors are rated for continuous operation in a 40°C ambient and for altitudes up to 3,300 feet. Marathon motors are performance-matched to DURAPULSE and GS series AC drives and have a 3-year warranty. Marathon AC motor prices start at $152.50 with free shipping on orders over $49.