NBM-20-331-D

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The NBM-20-331-D power line filter module is designed to deliver effective noise suppression for system power lines in the range of voltage supply and frequency. It typically is used in conditions where interference causes by power disturbances must be significantly reduced. This power line filter module works with a wide range of voltage supply from 6V to 375V and frequency from 50 to 400 Hz.

This power filter has a compact size and is recommended for some critical environment due to its efficiency in providing excellent noise suppression. It is popularly applied in industrial, communication and auto machines, providing noise cancellation and power protection from electro-magnetic interference (EMI). The power filter is composed of two components- the EMI filter and the transient voltage suppressor (TVS). It also includes an over-current protection, thus helping to withstand over-load and short-circuit conditions.

The EMI filter functions by connecting an inductor and a capacitor in series to block and filter any high-frequency noise from the power line. The inductor is also known as the choke or a coil and the capacitor is often referred to as a filter capacitor that helps to create a low-pass filter. It further helps to reduce the effect of high-frequency noise so the power line can operate properly.

The transient voltage suppressor (TVS) behaves as a protective element and helps to reduce the voltage spikes that are caused by external factors. Whenever a voltage spike is seen, the TVS assists in limiting their amplitude. It keeps the voltage spike from rising higher than the maximum voltage level rated for the filter module. Thereby, it helps to protect the power line from potential damage.

The NMB-20-331-D power line filter module also has an over-current protection function. This protects the filter by detecting any large current level and shutting it down or reducing the power supply when the maximum current rating is exceeded. This helps to prevent the filter from drawing more than the rated current while providing short-circuit protection.

In conclusion, the NMB-20-331-D power line filter is an ideal choice for system protection in noisy environments. It is a low cost, reliable solution that provides effective noise suppression with excellent voltage and surge protection, over-current protection and short-circuit protection, thus helping to ensure the best possible conditions for all devices and components connected to the power line. It is widely used in industrial, communication and automotive equipment, ensuring a safe and reliable operation of the system.

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