HVAC equipment manufacturers build units that can be applied with various voltages. Some applications utilize an input or supply voltage of 277-1-60. This power supply comes from a 460-3-60 (4-wire) ...

AutomationDirect's power product line now includes buck-boost transformers from Jefferson Electric. Buck-boost transformers are designed to maximize the performance and life of electrical equipment, ...

Log in to download the PDF of this article on how to minimize EMI while delivering very-high-efficiency power conversion. In many applications, voltages require ...