YHMM20-2DB8

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Terminal junction systems are a type of connection architectures used in transmission, distribution, and protection systems. They are used to connect terminal blocks to circuit and power sources. Generally, this type of system includes connecting terminal blocks, electrical switches, relays, terminal strips, and grounding rods. The YHMM20-2DB8 is a terminal junction system designed for protection and power distribution applications.

The YHMM20-2DB8 features a single-phase terminal junction system with two terminals. It is designed with a built-in surge arrester to help protect from AC fault current. It also includes a current limited contactor and a high-performance current transformer. It is rated for currents up to 200AR and temperatures up to 100°C.

The working principle of the YHMM20-2DB8 involves using its two terminals to draw power from a power source and deliver it to a terminal block. The current limited contactor ensures that the maximum current flowing through the terminal blocks is limited. This ensures that the terminal blocks are not overloaded and helps to protect them from overcurrent conditions. The surge arrestor also helps to protect the terminal blocks from transient voltage spikes. The current transformer helps to accurately measure the current flowing through the system.

The YHMM20-2DB8 can be used in a variety of applications, including protection and power distribution in transmission and distribution systems. It can be used to connect power sources to terminal blocks in APFC (Automatic Power Factor Correction) systems, synchronous motor drives, and inverters. It can also be used for protection and power distribution of communication and control systems.

In conclusion, the YHMM20-2DB8 is a terminal junction system designed for protection and power distribution applications. It uses two terminals to draw power from a power source and deliver it to a terminal block. It helps to limit the maximum current flowing through the terminal blocks, while providing surge protection and accurate current measurement. It can be used in a variety of transmission, distribution, and protection system applications.

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