Baldor Expands RPM AC Permanent Magnet Products
Baldor Electric Company, a Fort Smith, Arkansas-based manufacturer of energy efficient industrial electric motors, drives, mechanical power transmission products and generators, has recently expanded the RPM AC permanent magnet (PM) product offering up to 1,200 hp. The RPM AC motor product line performs like a high horsepower servomotor with low rotor inertia and high power density, and is now available in the NEMA frame sizes 180, 210, 250, 280 and 440 with permanent magnet rotor construction. The addition of the 440 frame size to the RPM AC PM product family significantly increases the product horsepower range with synchronous speed performance. RPM AC PM motors are currently stocked as totally enclosed blower cooled TEBC ratings up to 150 HP with resolve feedback. The latest addition of the finned laminated 440 frame (FL440) extends the product line's horsepower range to 800 HP enclosed blower cooled and 1200 HP using open force ventilated construction. PM rotor technology offers improved efficiency that can translate into increased power density and synchronous (non-slip) speed performance. The RPM AC PM product line is currently available in both NEMA and IEC (112, 132, 160, 180 and 280) frame sizes. These motors are all designed to provide continuous constant torque performance from zero speed up to base speed for use with closed loop PM AC drives.
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