Close coupled pumps when the pump impeller is required to be mounted directly on the motor shaft in damp and dirty environments, and operating directly across the line or from a variable frequency inverter. NEMA standard MG-1, Design B meets MG-1 Part 31. Certified NEMA, IEEE, CSA, CSAus, IEC, CE, NRCan. Service Factor 1.25 SF 1HP to 50HP. Electrical supply at 60Hz is 575V and 208-230/416-480V dual rated and at 50Hz is 190/380-415. Highest quality Enamel coated Corona resistant inverter duty magnet wire. VPI with additional dip and bake. Insulation non hygroscopic class F with class B temperature rise. Totally Enclosed Fan Cooled meeting IEC standard IP55. CSA Certified Division 2 Class I Groups A, B, C, D Class II Groups F, G. Meets Temp Code T2B. F1 Standard Assembly, Reversible to F2 Assembly. Oversize cast iron Conduit Box, diagonally split. Can be rotated in 90 Deg steps. Lead separator gasket to seal conduit box from frame and gasketed cover. Grounding terminal inside conduit box and threaded conduit entry. Suitable for inverter application at 230V, 460V, 575V for speed ranges of 10:1 constant torque and 20:1 variable torque. Nameplate corrosion resistant stainless steel showing all data connection diagrams and certifications. Drain plugs located at the lowest point of motor at both ends. Warranty 3 years from date of fabrication. UPC 875272001938 ASIN B09MJGNL48 Speed 1800 RPM Voltage 575 Volts Brand Name MAX MOTION Horsepower 1 Horsepower Unit Count 1.0 Count Item Weight 28.1 Kilograms Part Number JMPP-2 Manufacturer MAX MOTION Material Type Cast Iron Warranty Description Warranty for 36 months from date of fabrication