Vector control variable speed motors are built specifically for inverter and vector duty applications with constant torque capability to zero speed. Multiple enclosure ratings and horsepower ranging from ¼ to 1000 hp are available. These motors are used with variable frequency drives only.
Bulletin CM202 Vector-Duty Motors are enclosed vector class NEMA frame AC motors, 1...500 Hp.
Bulletin CM203 Vector-duty Motors are vector class laminated steel or aluminum frame AC motors, 5...1000 Hp.
Bulletin CM221 Totally Enclosed Motors are vector class small AC motors, 1/4...30 Hp.
Bulletin CM222 Inverter-Duty Motors are vector class NEMA frame AC motors, 1...500 Hp.