ZRAC2210-11

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Power line filters are electronic devices typically used in AC line power connections to suppress electromagnetic interference (EMI) and radio-frequency interference (RFI). The ZRAC2210-11is one such filter module, generally used in industrial applications, which exhibits excellent filtering performance and power efficiency. In this article, we will explore the ZRAC2210-11 application field and working principle.

Application Fields

The ZRAC2210-11 is a wide-band single-stage AC power line filter, designed for high-security requirements in power supply systems. It reduces harmonic currents generated by the continuous switching of modern power electronics, and provides improved harmonic suppression or filtration. The ZRAC2210-11 is also used in AC/DC line protection systems. This power line filter is suitable for use in industrial automation, building automation, and home appliances.

Working Principle

The ZRAC2210-11 incorporates two sections - a differential inductor coil and a capacitive division filter. In the first stage, the differential inductor coil prevents high-frequency interference signals from entering and leaving the filter circuits. This differential feedback circuit also reduces the common-mode electromagnetic interference to Mains power. In the second stage, the capacitive division filter decouples and further attenuates high-frequency interference signals, bringing them down to a safe level.

The ZRAC2210-11 also features a differential-mode low-pass filter, which is designed to reduce the differential-mode noise. This helps ensure that the filter does not pass any differential noise to the AC line. Additionally, the filter has an efficient EMI shielding layer that prevents the interference signals from escaping the filter and entering the device under protection.

The ZRAC2210-11 uses EMI shielding technology at several points to provide maximum shielding, even with large power surges. Additionally, the filter incorporates ESD (electrostatic discharge) protection, which helps the device to withstand high-voltage AC signals without damage to its components.

Performance

The ZRAC2210-11 has a very low common-mode noise level of 0.1mV, making it suitable for use in a wide range of industrial applications. It has a pulse current rating of 5A, which is enough to accommodate most small- to medium-sized industrial projects. Additionally, the filter exhibits a high-frequency noise suppression capability of up to 40dB at 1MHz, which is very good for noise reduction in sensitive applications. The filter also offers a wide voltage range from 80V to 250V.

The ZRAC2210-11’s power line filter module offers excellent performance in terms of filtration and noise suppression. It is also very efficient in terms of power usage and can be used safely in a variety of applications. As such, it is a highly desirable filter for industrial and commercial applications.

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