New FMAB NEO family variants from Schurter

7th December 2023
Harry Fowle

Schurter has expanded the FMAB NEO single-phase filter family with new variants for protection class II and high-performance applications.

The filters impress with cost-effective, compact designs and high performance in a wide temperature range (-40°C to +100°C). Equipped with a fully enclosed steel housing, the new protection class II filter series does not require a protective conductor connection thanks to its reinforced insulation and has excellent symmetrical attenuation. That makes this version ideal for use in power tools and medical applications, for example. The M5 version for a rated current range of 1 to 20 A with plug-in connections is a special variant available for this purpose. The high-performance versions also have an all-around closed steel housing and have very high symmetrical attenuation and, due to the use of new, high-quality core materials, very high asymmetrical damping in a compact design. These features ensure that they are ideally suited for use in demanding applications such as laboratory and medical equipment.

The FMAB NEO single-phase filter family is available in the following variants:

  • N) excellent symmetrical attenuation quality
  • P) high symmetrical attenuation quality
  • Q) standard attenuation quality
  • HP) high performance

In addition to the basic insulation, the protection class II variants have reinforced insulation on the inside, doubled distances between all clearances and creepage gaps as well as large plastic collars on the 6.3 x 0.8 mm plug-in connections.

The high performance filter variants have highly permeable toroidal cores and are ENEC and cURus approved. They are also available in a version with an earth choke and are particularly suitable for universal industrial applications and applications with high symmetrical interference caused by switching semiconductors. The rated current is 1 to 30 A at a maximum of 250 VAC. Due to the same dimensions of the design compared to the standard filters, the high-performance versions can easily implemented if the EMC measurement level makes it necessary.

Benefits at a glance:

  • Compact and cost-optimised
  • Available in different versions, including with overvoltage protection
  • Reliable performance in a high-temperature range
  • Features highly permeable toroidal cores

Application examples:

  • Medical devices following IEC/UL 60601-1 (1 MOOP, 1 MOPP), (protection class II: 2 MOOP, 2 MOPP) and home care
  • Industrial applications
  • Energy applications
  • Battery storage
  • Audio/video, information, and communication applications by with IEC/UL 62368-1

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