PX4N015-5 15HP 1800RPM 575 V Cast Iron NEMA 254T Foot UL/CSA Approved Class I Group C & D Class II Groups E, F&G T3B 140 - 250T frame UL/CSA Approved Class I Group D Class II Groups E, F&G T3B 280T and above NEMA MG1 Part 31 Inverter Duty UL certified 5: 1 constant torque CSA certified 10: 1 constant torque Service Factor 1.15 sine wave power. 1.0 service factor VFD power IP55 degree of protection NEMA Design B performance Class F insulation Dual rated 60 / 50 Hz Thermostats fitted as standard Sealed Ball Bearings 140 - 280T Regreasable bearings 320T and above Stainless Steel Nameplate F1 to F2 convertible Warranty: 3 years