N/A Class F Insulation, Class B Rise At Full Load (4)Cast Iron Frame (140: Rolled Steel), Cast Iron End BracketsCorrosion Resistant Mill & Chemical Duty PaintStainless Steel Nameplate (with CE Mark) & Zinc Plated HardwareShaft Slinger On Pulley End For IP54 ProtectionDual Voltage 230/460 Volts (1-100 HP)40ºC Ambient, NEMA® Design B Performance (4)Regreasable Ball Bearings 250 Frame & Up, Lifting Provisions 180 Frame & UpDouble Shielded Bearings 140-360, Open On 400-4401.15 Service Factor@ 60 HzSteel Fan Cover & Conduit BoxField Convertible To F2 Mounting 180 Frame & LargerCondensation Drains With Plastic PlugsConversion Kits: All Cast Iron Upgrade, C&D Flanges, Canopy Kits (exc. 320-360)All non-Emerson Electric Co. marks shown within this document are properties of their other respective owners