MBS4850

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Power Line Filter Modules play an important role in different applications for purifying signals or protecting circuits from EMI interference. Their functions mainly include low pass filtering, electrostatic shielding, high frequency noise processing and electromagnetic pulse protection. Among many power line filters, the metal-oxide varistor (MOV) module MBS4850 is widely used for its unique advantages.

The MBS4850 belongs to the power line filter module family and can be installed in most series of products, such as digital meters, inverters, and renewable energy (wind and solar) applications. This module is designed to provide the best performance in lightning surge protection and interference elimination. It is suitable for protecting DC power supply systems from short-lasting over-voltage and harmonic problems.

This power line filter module has a variety of application fields.

• UPS systems: MBS4850 filters the line current and blocks interference from other sources to protect the DC power supply system.
• Industrial controllers: An efficient filter mechanism helps to protect the system from the high-frequency interference.
• Electronic equipment: MBS4850 can protect the quality of electronic equipment from the electromagnetic interference.
• Automobiles: Yes, MBS4850 works as a lightning surge protection device and reduces the chances of vehicle damage from an over-voltage surge.

The working principle of MBS4850 is based on the principle of metal-oxide varistors. This power line filter module is composed of several metal-oxide varistors which form a voltage-dependent resistor circuit. It has the ability to form a low-impedance path for higher frequency interference, and it also reduces the interference effects to the DC power supply system.

When the momentary over-voltage current passes through the metal-oxide varistor, the voltage is distributed on the varistor chain, and the current is limited in the form of an arc. This drastically reduces the interference voltage and protects the equipment from the momentary over-voltage.

Besides, due to the specific composition of the resistor circuit, the current is reduced step by step. The current reduces in the resistor chain and finally reaches the DC power supply. This process reduces the high frequency interference and limits its effect.

In addition, the metal-oxide varistor used in the MBS4850 also provides excellent electrostatic protection and electromagnetic pulse protection, minimizing the damage caused by EMI on electrical circuits.

The MBS4850 is a reliable power line filter module with a wide range of applications. It has excellent filtering performance and electrostatic shielding ability, making it suitable for different kind of applications. It also has the ability to protect DC power supply systems from sudden over-voltage and harmonic problems. All these unique properties of the MBS4850 make it the ideal choice for protecting different circuits from EMI interference.

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