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Adjustable (Variable) Speed Drives 

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What is a variable speed drive, how does it work?

Adjustable speed drives (ASD), variable-speed drives (VSD), or variable frequency drives (VFD) are used to control the machinery speeds. Industrial processes operate at different speeds for different products. Using ASD adjustable speed drives provides smoother operation, acceleration control, differing operating speeds for each process, compensation for changing process variables, allowing slower operation for setup purposes, adjusting the rates of production, allowing more accurate positioning, and controlling torque or tension
 

Baldor Drives now offers a complete solution to your motor control needs. From basic analog soft starts to full fledged Vector technology, Baldor offers high performance products in an easy to use interface. Controls start at 1/100HP and continue up to 800HP. Custom controls can be built up to 1500HP. Each control is designed and manufactured to be the most reliable you can buy.

From fractional horsepower AC and DC motor controllers to a complete offering of complementary motors - including Ratiotrol®, the industry's first stock single phase DC drive, Boston Gear is prepared to meet the broad spectrum of your adjustable speed needs. And with a complete line of complementary clutches, brakes, and other accessories available from Boston Gear, we are prepared to serve your motion control product needs

Baldor AC Controls

Boston DC Drives

Leeson Inverter Drives

Kollmorgen Drives 

 Vacon AC Drives
 
From fractional horsepower AC and DC motor and motor controllers, - we can meet a broad range of adjustable speed requirements. With a complete line of complementary clutches, brakes, and accessories available from Boston Gear, Baldor, Leeson, and Seco, Kollmorgen, we are able to serve your motion control product needs. Our electrical products come comprehensive field support and technical assistance to simplify reviewing applications and selection of products. 

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