Overview Product Description Features: Auto-Rotation Sensing, 24Vac, Tap Inputs, 50/60 Hz, Constant Torque, NEMA® 48, Open Air Over (OAO), Up to 82% Efficiency, Belly-band mounting. 1-1/3 HP 115/208-230 Volts 12.1/7.6-7.1 Amps 1075/VAR RPM 48Y Frame 1/2" x 5" Shaft 6.98" Body Length OPAO Ball Bearings Reversible Note: The EZ16 ECM is a 16-pin variable speed replacement which uses either 24VAC or PWM signal input. It comes with a user interface where you could select your HP and adjust your airflow to meet requirements. Cross Reference: 6510V Product Videos Custom Field Product Reviews