TE Connectivity / Schaffner FN3359 3-Phase Filters

TE Connectivity's (TE) / Schaffner FN3359 3-Phase Filters are off-the-shelf high-power filters for Class A compliance with rated currents up to 2500A. These filters offer a compact, high-current solution with minimal space requirements. The FN3359 3-phase filters improve the conducted immunity of installations and feature a UL 94V-0 flammability rating. These filters support an operating frequency range of DC to 60Hz and a temperature range of -25°C to +100°C. Optional protective covers are available for busbar versions from 150A to 1000A, providing additional protection against accidental contact with live conductors. TE FN3359 3-Phase Filters are suitable for high-power motor drives, inverters, converters, industrial three-phase systems, large UPS, machinery, mining equipment, photovoltaic systems with galvanic isolation, and wind turbines.

Features

  • Off-the-shelf high-power filter for rated currents up to 2500A
  • HV versions available for IT power networks
  • Busbar and terminal-block connection options for installation flexibility
  • Optional transparent protective covers available for busbar versions from 150A to 1000A
  • Improves the conducted immunity of installations

Applications

  • High-power motor drives, inverters, and converters
  • Industrial three-phase systems
  • Entire factories, plants, and installations
  • Large UPS
  • Machinery
  • Mining equipment
  • Photovoltaic systems with galvanic isolation
  • Wind turbines
Published: 2009-02-02 | Updated: 2026-10-16