Thursday, April 25, 2024

New 3-Phase Built-In Filter With Neutral Line For High EMC Loads

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  • Extended temperature and compact dimensions make it suitable for space-constrained machines
  • Offers higher performance at lower weight

A new 1-stage filter family for 3-phase systems with neutral line, the FMAD CP from SCHURTER has been developed for providing enhanced performance in the tight space conditions of today’s machines.

The new filter family is ideally suited for devices with high electromagnetic compatibility (EMC) loads at low or medium power. Typical applications include converters for photovoltaics, battery storage or charging stations for electric vehicles. These powerful, particularly compact filters are also best for modern frequency inverters for motor control.

High performance for demanding applications

The standard versions can be used over a temperature range of -40 degrees Celsius to 100 degrees Celsius. The filters are designed for currents from 3 A to 20 A at an ambient temperature of 50 degrees Celsius. They have ENEC and cURus approval and are recommended for applications up to maximum 520 VAC.

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Standard leakage current of the product is ≤ 0.5 mA. For industrial applications, it is ≤ 3 mA and and for medical applications it is ≤ 5 µA.

Although the new filter family is equipped with high-quality components, an even stronger filter effect may be required for particularly demanding applications. This is where the “High Performance” version comes into play. Thanks to compact chokes with particularly high inductance and a larger X capacitor, both symmetrical and asymmetrical interference can be suppressed even more effectively. This makes the newly developed FMAD CP filters an ideal replacement for the SCHURTER FMW4-65, offering higher performance at lower weight.

The FMAD CP filter series has 6.3 mm x 0.8 mm plug-in connections for quick and easy wiring.


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