1688110000

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Terminal Blocks – Accessories

Terminal blocks and their accessories are important in a wide range of applications, from low voltage AC and DC power applications to telecommunications and industrial automation. Throughout the decades, terminal blocks have evolved to incorporate a range of new features such as improved power contacts to increase current carrying capacity, built-in insulation and surge protection, easy installation and ensure safety of personnel and the equipment.

1688110000 Application Field

Terminal blocks are commonly used in many industries, including automotive, aerospace, telecommunications, industrial manufacturing, and power and energy. They are used for power distribution, signal transmission, and protection against electrical interference. In applications that use terminal pins, a single opened or closed contact can be used, or two separate contacts can be used for multi-node connections. In some cases, a terminal block may have multiple rows to provide even more power connections.

Terminal blocks are also used for connecting power to microcontrollers and other microelectronic circuits. The terminals are designed for higher current levels and are used to join the power wires together and ensure a safe connection. They can also accommodate multiple modules and devices that can be daisy chained together, making them suitable for use in various applications. For example, in the automotive industry they are used to join the 12V power to the electrical systems and motors, as well as for joining the power to the ignition system. Terminal blocks can also be used for joining the power to medical devices and sensors.

1688110000 Working Principle

The working principle of a terminal block is quite simple, and relies on tension to connect or disconnect two electrical wires. When two wires are joined or connected with a terminal block, the terminal block’s tension nut is turned clockwise. The tension nut pushes against the pins inside the terminal block, compressing the insulation around the pins and creating a secure mechanical connection. The electrical connection is then made when the pins make contact. To disconnect the wires, the tension nut is turned counterclockwise, which loosens the pins inside the terminal block, breaking the electrical connection.

In order to ensure a secure connection, terminal blocks are designed with insulation to protect against electrical shock. Insulation helps to reduce the risk of electric shocks to personnel and equipment by cushioning the electrical charge. In addition, terminal blocks are designed with strain reliefs to ensure that the pins are securely held in place and do not come loose due to vibration. Strain reliefs also reduce the risk of electrical arcs caused by pins coming loose over time.

Terminal blocks come in a variety of sizes and styles to suit different applications. The size and type of terminal block depends on the needs of the application and the number of wires required. Terminal blocks are available with a range of features, such as overvoltage protection, temperature compensation, ground fault protection, surge protection, and lockout/tagout (LOTO). These features provide additional safety and protection for personnel and equipment.

Conclusion

Terminal blocks are an essential part of many applications, from industrial production and automation to telecommunications and power distribution. They provide a secure connection and ensure a safe electrical connection. In addition, terminal blocks come with a variety of features and designs, making them suitable for use in many different applications. 1688110000 terminal blocks are just one type that is widely used for power and signal transmission in a range of industries.

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