FEATURES: • Class F Insulation, Class B Rise At Full Load On 60 Hertz Sine Wave Power • All Cast Iron Construction • Corrosion Resistant Mill & Chemical Duty Paint • Stainless Steel Nameplate (with CE Mark) & Zinc Plated Hardware • Dual Bearing Seals On Pulley End For IP55 Protection • Dual Voltage 230/460 Volts (1-75 HP), Note with Suitable for use on 208 volt • Precision Balance (< 0.08 In/Sec Vibration) • 40°C Ambient, NEMA®† Design B Performance On 60 Hz Sine Wave Power • 1 15 Service Factor @ 60 Hz • Self-Certified Class I, Division 2, Groups A, B, C, & D • Suitable for 20:1 (3-60hz) VT; 5:1 (12-60hz) CT On Inverter Power • Regreasable Open Bearings • Lifting Provisions, Epoxy Coated Rotor • Field Convertible To F2 Mounting • Brass Breather Condensation Drains • Oversized Conduit Box - 1 Size Larger Than NEMA Standard • Cast Iron Inner Bearing Caps • Conversion Kits: C&D Flanges, Canopy Kits