The ACQ550 drive from ABB is available from 1 to 550 hp, and seamlessly integrates as a NEMA1, NEMA-12 or outdoor-rated NEMA-3R solution. A library of preprogrammed startup assistants provides commissioning for submersible, centrifugal or positive-displacement pumps, and application macros simplify configuration of inputs, outputs and parameters. The drive is well suited for the simplest pumping application through the most demanding, resulting in significant cost savings. On centrifugal pump applications, for example, the power requirement of the pump varies by the cube of the speed. Electronically reducing the pump speed by 20 percent via the drive will typically cut energy costs in half. 800/752-0696;


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