1. Strong carrying power stable operation,little noise 2. High quality, long service life 3. 100% winding copper winding wires ... relationship between power and frame size: DIN3, Protection class: IP444, Cooling mode: IC4115, Insulation grade: B6, Power: 0.75kw-315kw7, Voltage ... : B3,B5,B3513, Working duty: S1Certification:Data Table:Product Pictures: High Efficiency AC Asynchronous Induction Motors