1821630

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Terminal blocks, also known as terminal boards or strips, are devices used to securely connect two or more wires to other components, such as, switches, sensors, PCBs etc. Terminal blocks are available with a range of plug and socket styles and sizes to suit a variety of application requirements. They are also available in different widths and lengths to cater to different amounts of wiring.

Types of Terminal Blocks – Headers, Plugs and Sockets

Terminal blocks usually come in three categories - headers, plugs and sockets.

Headers

Headers are the connecting blocks used to join and hold two or more wires together. They consist of a plastic shell enclosing a number of metal terminals which are used to attach electrical wires. The terminals are usually made of steel and can be solid or split tab (where the top of the terminal can be opened up to allow for easier removal and insertion of wires). When the wires are inserted, the terminal is compressed, creating a secure grip on the wire. The header is then secured to a mounting surface using screws, bolts or clips.

Plugs

Plugs, also known as pluggable terminals, are used to connect an external device or cable to a terminal block. They consist of a metal socket, with a connector such as an Ethernet plug mounted on one end, and a terminal on the other end. They are designed to be easily connected and disconnected, and provide a secure connection between the two components.

Sockets

Sockets are used to house pluggable terminals, and offer a robust mounting solution for external wiring. They come in a variety of sizes and configurations, and the most popular varieties include DIN sockets, 7/8” sockets and RJ45 sockets. The socket is used to house the pluggable terminal, as well as the external wiring, and is secured to the mounting surface using screws or bolts.

1821630 Application Field and Working Principle

The 1821630 is a terminal block with plug-in style headers, plugs and sockets. It is available in three widths and lengths - 0.5”, 1” and 1.5”. It is commonly used in applications which require a secure connection between two components, such as, wiring, sensors and switches. Its plug-in style makes it easy to connect and disconnect, and its durable design ensures a reliable connection.

The 1821630 consists of two parts - an insulating base and a sliding contact blade. The insulating base has slots for the wires and cable. The slots are lined with sliding contact blades which are made of conductive material and provide the electrical connection between the wires. The contact blades are securely held in place by screw-locks. When the wires and cable are inserted into the slots, the contact blades make contact with them, creating a secure electrical connection. The connection is further strengthened by tightening the screw-locks.

The 1821630 is easy to install and use, and is an ideal option for applications which require a secure electrical connection. Its terminal block design ensures a reliable and durable connection, providing peace of mind in a wide range of applications.

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