FN258-42-07

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Power line filter modules are specialized electrical components used to filter noise generated by electrical appliances. FN258-42-07 is a high-performance, cost-effective power line filter module designed for electrical noise filtering. It is a three-phase AC power filter module consisting of two filter networks and an additional DC protection network.

The first filter network comprises three EMI filter elements: two single-phase filter elements with modified second phase, and a differential-mode EMC filter element. The three filter elements serve as a filter to reduce common mode surge and attenuate differential mode noise up to the specified frequency range. In addition, they reduce the peak voltage and current effects of the connected load. The second filter network consists of another three filter elements, which reduce the excessive resonance and attenuate the noise caused by the power line. This second filter network provides better attenuation performance than the first filter network.

The DC protection network is the additional component in the FN258-42-07 power line filter module. It helps protect the power line from the ingress of excessive DC current. This prevents overvoltage and current fluctuations induced by the connected load, thus improving the reliability of the filter module\'s performance. This DC protection network is powered by the internal voltage of the filter module, and can be adjusted externally if desired.

The working principle of the FN258-42-07 power line filter module is simple. The two filter networks and DC protection network work together to reduce electrical noise and protect the power line from excessive DC current. When electrical noise is generated, the filter networks reduce the noise and the DC protection network prevents DC current from entering the power line. This ensures reliable performance and safe operation of the filtered power lines.

In summary, the FN258-42-07 power line filter module is a high-performance, cost-effective filter module designed for electrical noise filtering. It consists of two filter networks and a DC protection network, which together provide protection against electrical noise and excessive DC current. The working principle of the filter module is simple and efficient, ensuring reliable performance and safe operation of the filtered power lines.

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