Regenerative Blower Inlet Size 1-1/2 in (F)NPT Outlet Size 1-1/2 in (F)NPT 2.7 HP Voltage 230/460 3 Phase 7.8/3.7 Full Load Amps Max Pressure 80 in WC Max Flow Rate 135 CFM Max Vacuum 80 in WC Max Ambient Temp 104 Degrees F Housing Material Aluminum/Iron Motor Enclosure Totally Enclosed Fan-Cooled Thermal Protection Pilot Duty Overall Length 14-19/64 In. Overall Height 14-1/32 In. Overall Depth 13-7/8 In. Standards CSA CE UR RoHS