Filters Mitigate the Harmful Effects of Harmonics


FN3415 is the newest addition to the ECOsine® family of Passive Harmonic Filters, for 60 Hz, 480 or 600 VAC applications. Available in various NEMA enclosures, they are easily installed and commissioned, providing immediate benefit to the electrical system by limiting the amplitude of the current harmonics, reducing losses, and allowing equipment to operate more efficiently with a longer service life. Proven in industrial settings, Schaffner passive harmonic filters are ideal for use with virtually any kind of power electronics with front end six-pulse rectifiers including non-linear loads such as motor drives/VFDs, factory automation equipment, fans, pumps, chillers and other HVAC equipment, DC fast chargers, mission critical systems/datacenters, water/wastewater processing equipment, oil and gas drilling and more.



  • operate at 99% efficiency
  • reduce harmonics to meet IEEE-519 (2014)
  • wall-mounted or free-standing NEMA 1 or 3R enclosure
  • ideal for new installations or retrofits
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