• MG-1 Design B and MG-1 Part 31 • Meets or exceeds MEPS (Minimum Efficieny Performance Standards)as described by US Department of Energy in docket 10CFR431 and Natural Resources Canada’s Amendment 14 • Inverter Duty 5:1 Constant Torque, 10:1 Variable Torque 1.0 SF meets MG1 parts 31.4.4.2 • IP55 Enclosure • At 60Hz : 575v • NEMA C-Face Output w/316SS Threaded Shaft • Removable 56H Rigid Base • 1.15 Service Factor • Class F Insulation • F1 Standard Assembly • CSAus & CE Certified • One Year Warranty