3SBMB4

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A diode bridge rectifier is a type of rectifier composed of four diodes in a bridge configuration, which converts AC input into DC output. In short, the diode bridge rectifier is used to convert alternating current to direct current. The 3SBMB4 is a three-phase bridge rectifier module with a rated input voltage range of 250V-1000V AC and a rated current range of 8A-50A, as well as built-in overcurrent, overvoltage and overtemperature protection.

The working principle of the 3SBMB4 rectifier is centered around the four connected diodes, which are arranged in a “bridge” configuration. When an alternating current is applied to the bridge circuit, the four diodes each alternate between conducting and not conducting states, and when conducting, allow the current to flow through them in one direction and produce a single-phase pulsating DC voltage. This pulsating DC is then smoothed and regulated to output a direct current.

The 3SBMB4 diode bridge rectifier is mainly used in industrial applications, such as in medium and large commercial-level power supplies, motor drives, and other medium to high power equipment, due to its superior characteristics in regard to voltage, current, and temperature. Additionally, the 3SBMB4 rectifier module provides a number of additional features, including reverse polarity protection, thermal protection, default current limitation and overvoltage protection.

This diode bridge rectifier can also be used in automotive applications, such as in car chargers and in car batteries,providing AC/DC conversion, electromagnetic interference, and other features. As such, the 3SBMB4 diode bridge rectifier is suitable for use in a wide range of industrial and automotive applications, and is highly reliable and durable, making it an ideal choice for medium and large power conversion systems.

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