This strategic collaboration between the companies focuses on integrating variable frequency drive capabilities with advanced ...

More and more often, variable frequency drives (VFDs) are used for control of fans and compressors in HVACR systems. The benefits are well documented and industry acceptance is such that most electric ...

An integrated VFD with sensorless control has been added to Series 80™ & 80-SC™ in-line pumps. According to the manufacturer, the variable-speed drive sensorless controller utilizes the latest ...

Belden Inc., a global leader in signal transmission solutions for mission critical applications, announces the availability of its new MarineTuff line of HaloarrestXLink LSZH-Jacketed 600V ...

Learn what smart hydraulic power pack design looks like. Most hydraulic circuits are not a continuously operating system—the energy consumption during idle periods is substantial. The use of the VFDs ...

All questions and answers are based on the 2011 NEC. Q. What is the Code rule for motor control circuit overcurrent protection? A. Motor control conductors that aren’t tapped from the branch circuit ...