Three Phase EMI Filters

Our three phase filters are rated up to 480VAC, 520VAC and 600VAC for both Delta and WYE configurations. Current ratings are available up to 2500A. Single, dual and multi stage designs are available for specific needs. Versions rated at higher current and voltages can be offered upon request.


Typical applications for these EMI/ RFI/ EMC filters include 3-phase industrial drives, inverters, controllers, frequency converters and industrial machine tools. Other applications include industrial power supplies, UPS, fixed computer systems (mainframes), MRIs and X-Ray equipment, heavy duty industrial equipment and more.


Our 3-phase EMI filters carry US (UL), Canadian (cUL/CSA) and European (IEC/ VDE/ Semko) agency approvals and are available in both general purpose and low leakage current medical versions. At our agency approved “in-house” test facility, US, Canadian and/or European safety approvals can be obtained quickly and cost effectively on any of our customized and custom product, if needed.