Design

FMBB EP single phase block filter brings high performance

6th August 2020
Alex Lynn

SCHURTER has completed its portfolio of ultra-compact single-phase filters with a new generation of particularly high-performance thanks to a double stage filter design. FMBB EP is the name of the latest member in the completely closed steel housing.

Ever more powerful and at the same time ever more compact design, the filters of the FMBB EP family are particularly suitable wherever such equipment is confronted with stubbornly high EMI interference signals. Highly clocked semiconductors generate increasingly strong interference frequencies.

This massively increases the requirements for compliance with EMC. Typical applications include test and measurement equipment, professional kitchen equipment, medical and critical industrial applications.

The new filters use the same housings as the proven FMBB NEO filter series. These housings are spot welded, thus completely closed, resulting in significantly improved attenuation behavior. Thanks to top-quality components (generously dimensioned film capacitors, chokes with highly permeable cores), an exceptionally broad-band attenuation is achieved.

The FMBB EP filter series has 6.3x0.8 mm plug-in connections or threaded connections for quick and easy wiring. Thanks to a metal flange, excellent ground connection is ensured when screwed to the chassis.

The standard versions can be used over a temperature range from -40 to +100oC. The filters are designed for currents from one to 36A at an ambient temperature of 40oC. They have ENEC and cURus approval and are recommended for applications up to max. 250 VAC.

There are versions with different leakage currents available for different applications: the standard version with 0.9 to 3.8mA, for medical technology ≤ 5µA or ≤ 80µA.

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