FEATURES: • MG-1 Design B and MG-1 Part 31 • Meets or exceeds NEMA Premium Efficiencies • Meets Temperature Code T2B • At 60Hz : 416/460-480v Dual Rated for 50Hz : 380-415v • IP23 enclosure • 143T to 215T Frame are Rolled Steel Construction • 254T Frame and highter are Cast Iron Construction • Inverter Duty 10:1 Constant Torque, 20:1 Variable Torque 1.0 SF • Meets MG1 parts 31.4.4.2 • 1.15 Service Factor • Class F Insulation • F1 Standard Assembly, Reversible to F2 Assembly • CSAus & CE Certified • Three Year Warranty