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Terminal Blocks - Headers, Plugs and Sockets

Terminal Blocks, also known as headers, plugs and sockets, are active electrical components used to extend and terminate the electrical connections of electronic circuits. Terminal blocks are convenient and economical devices that provide a connecting point between a circuit board and the components, such as resistors, capacitors, transistors, diodes, connectors and switches. They are also widely used to combine several conductors into a single source in power distribution systems.

1772634 Application Field and Working Principle

Application Field

Terminal blocks are utilized in a variety of applications, ranging from industrial to consumer devices. Whenever a circuit board needs to be connected to a power source, a terminal block is an ideal solution. In addition, terminal blocks are also commonly used in industrial manufacturing, where they are used to connect a large number of cables in a single unit, allowing for easy connection and maintenance. Another application field includes automotive circuitry, where it is used to join together a large number of wiring connections inside the engine compartment.

Working Principle

Terminal Blocks work by creating an electrical connection between two conductive points. They are typically designed to provide a reliable connection even in extreme environments, such as extreme temperatures and humidity. The terminal blocks consist of a base, a set of connecting screws and a terminal strip. When connected, the screws are tightened, which creates a mechanical and electrical connection between the two points. This connection can withstand shocks, vibration, heat and corrosion.

Types of Terminal Blocks

There are several different types of terminal blocks, depending on the application. The most common types are pluggable terminal blocks, which are used to join two circuits together. They are designed to accept a variety of cable and plug connectors. Also, there are header terminal blocks, which are used to extend the connections of existing electrical networks. They are also designed to accept a variety of connector types, depending on the application.

Terminal blocks can also be classified according to their current carrying capability. For example, single-pole terminal blocks are designed to handle up to 600 amps, while double-pole blocks can handle up to 5,000 amps. The size and type of connector used will depend on the amount of current being carried by the terminal block.

Conclusion

Terminal Blocks are used in a variety of applications, ranging from consumer to industrial devices. They provide an efficient and reliable way to connect two electrical components together. There are several types of terminal blocks, each designed for specific application. They are also classified according to their current carrying capability, which determines the size and type of connector used.

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