Overview

• Class F insulation, Class B rise at full load on 60 Hz sine wave power
• Cast iron frame, cast iron end brackets
• Corrosion-resistant mill- and chemical-duty paint
• Stainless steel nameplate (with CE mark) and zinc-plated hardware
• Shaft slinger on pulley end for IP54 protection
• Dual voltage 230V/460V (1 hp to 100 hp)
• 40°C ambient, NEMA® design B performance on 60 Hz sine wave power
• Regreasable ball bearings for sizes 250 and up, lifting provisions for sizes 180 and up
• Self-certified Class I, Division 2, Groups A, B, C and D
• Double-shielded bearings for sizes 140 to 360, open on sizes 400 to 440
• 1.15 service factor at 60 Hz
• Suitable for 20:1 (3 Hz to 60 Hz) variable torque; 5:1 (12 Hz to 60 Hz) constant torque on inverter power
• Steel fan cover and conduit box
• Field convertible to F2 mounting
• Condensation drains with plastic plugs
• Conversion kits: All cast iron upgrade, C and D flanges, canopy kits
• Applications: Pulp and paper plants, saw mills, mines, foundries, chemical plants, waste management facilities, and other process-related industries requiring protection within harsh operating conditions
• Manufacturer: U.S. Motors