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