OEM Blower, Application Furnaces, Inlet Diameter 4 3/4 in, Outlet Diameter Not Applicable, Compatible with Brand Trane, Replacement For Manufacturer Model Number 7021-8591, X38040050-01-0, Nameplate Voltage 208-240V AC, Phase 1, Current 0.59 A, Frequency 60 Hz, Electrical Connection Wire Leads, Motor Type Shaded Pole, Motor Insulation Class B, Maximum Fan Speed 3,480 RPM, Maximum Motor Speed 3,480 RPM, Maximum Inlet Air Temperature 400 Degrees F, Maximum Static Pressure Not Applicable