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Terminal Blocks - Wire to Board

Terminal blocks are devices used to connect wires to each other or to circuit boards. They are designed to reduce the complexity and size of wiring harnesses, to facilitate testing and maintenance, and to ensure reliable connections and prevent cross-connections. This article will discuss the application field and working principle behind these terminal blocks.

Application Field

Terminal blocks are used in a wide range of applications, ranging from small consumer product design where a few terminals are needed to connect a few wires, to large industrial applications where dozens of terminals are required for multi-channel systems. These blocks are used in automotive wiring harnesses, machinery and medical equipment installations, computer and network systems, and many other applications.

Terminal blocks offer a number of benefits over traditional wiring techniques. They are easier to install and adjust, their wiring connections can be more reliable and secure, and they can be used in tight spaces where wiring harnesses are difficult to manage. Additionally, they are often easier to test and maintain because of their modular design.

Working Principle

Terminal blocks are designed to ensure secure wiring connections by using a variety of connector types, including screws, rivets, and even clips. In order to make connections, the necessary wires or cables are attached to the block\'s terminals, which are then tightened to form a secure connection. This prevents movement of the wires or cables, helping to reduce mechanical stresses on the connections.

In addition, terminal blocks can also be used to create secure connections between two circuit boards. By using a special terminal block, wires can be passed from one board to the other, helping create a reliable connection that is free from cross-talk and other electrical interference. This is especially beneficial for larger systems, where several boards may be connected together.

Finally, most terminal blocks also feature a special insulation strip that is designed to protect against the electrical current passing between the wires. This insulation helps to reduce the electric shock should a person come in contact with the block, helping to ensure the safety of personnel.

Conclusion

Terminal blocks are an important component of all types of wiring systems, from automotive harnesses to computer systems. Their ability to reduce wiring complexity and improve connection security and reliability makes them invaluable. Additionally, the insulation strip on most blocks helps to ensure operator safety. For all these reasons, terminal blocks are used in a wide variety of applications.