DynaMotors (Cleveland, OH) has introduced the Model 56-2 DynaMotor, a single-phase, variable-speed electric motor for air-moving, pumping, and other applications. The motor features optional fan cooling, incorporates a NEMA 56 frame, and is suitable for applications up to 2 HP and 800 to 4,800 RPM. The motor integrates a variable-speed drive with an AC induction motor by embedding solid-state switches in the armature of the motor. It will not trip ground fault interrupt outlets, produces virtually no EMI/RFI, and eliminates voltage spikes and line voltage reflections. The motor interfaces through a board that accepts 0-10V, serial, or other control signals.
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