Blower, Belt Drive, Double Inlet Forward Curve, With Drive Package, CFM @ 0.250-In. SP #, CFM @ 0.375-In. SP #, CFM @ 0.500-In. SP #, CFM @ 0.750-In. SP #, CFM @ 1.000-In. SP 30, 500, Voltage 208-230/460, 60 Hz, 3 Phase, Full Load Amps 64.3-58.2/29.1, Motor HP 25, Motor RPM 1770, Motor Type 3-Phase, Motor Enclosure TEFC, Motor Frame 284T, Motor Insulation F, Bearing Type Ball, Wheel Material Steel, Blower RPM 635 Double Inlet Full-Width Forward Curve Belt-Drive BlowersHigh-volume, low velocity blowers have steel wheels and cast-iron, regreasable pillow block ball bearings. Drive package components are packed separately. Meet full Class 1 performance for use in heating, ventilation, exhausting, cooling, humidifying, drying, and similar applications.4-position mounting Max. inlet air temp.: 150 F Max. ambient temp.: 104 F