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Schaffner EMC Inc.
FN 251 Series
Schaffner EMC Inc.
FN 256 Series
Schaffner EMC Inc.
FN 258 Series
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FN 256 Series

EMC/RFI 3-Phase Line Filters

Schaffner EMC Inc.

Chassis mount with stud lug or terminal block style terminations

Product Description

FN 256 filters are designed specifically for applications involving asymmetric loads, ranging from industrial controls to medical electronics systems. These typically involve insufficiently filtered converters and switch-mode power supplies on different phases, causing current imbalance and significant interference problems. Employing single stage filter circuits for each phase and the neutral line, FN 256 filters provide high attenuation of both symmetrical and asymmetrical interference. Used as a mains input filter, FN 256 filters also increase conducted immunity and thus contribute to overall system reliability. Choice of connection style as well as filter ratings in line with common fuse values support a fast and easy application specific filter selection and deployment. A light weight aluminium housing with a small footprint ensures that the filters can be easily accommodated on control panels and in tight power cabinets.

  • Three phase and neutral line filter for general purpose four wire filtering
  • Compact space saving design
  • Choice of connection style
  • Low operating leakage current
  • General purpose four wire filtering
  • High power office equipment
  • Power supplies
  • UPS
  • Medical applications
  • Electrical cabinets
  • Control panels
  • Applications:General Purpose
  • Approval Agency:CSA, ENEC, UR
  • Configuration:Single Stage
  • Current:80A
  • Filter Type:Three Phase (Wye)
  • Frequency - Operating:DC ~ 60Hz
  • Mounting Type:Chassis Mount
  • Operating Temperature:-25°C ~ 100°C
  • Termination Style:Terminal Block
  • Voltage - Rated AC (Phase to Ground/Neutral):277V
  • Voltage - Rated AC (Phase to Phase):480V