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Terminal Blocks - Barrier Blocks

Barrier blocks are a common type of terminal blocks used for various purposes in industrial and electrical fields. Traditionally, they were used to make and break electrical connections in high-voltage, high-current applications. With modern technology, their use has become more expansive and popular in many industries. This article provides an overview of what barrier blocks are, their application fields, and how they work.

What is a Barrier Block?

A barrier block is a type of terminal block that forms an electrical connection between two wires or two insulated conductors. It has an insulating barrier made of a metal alloy that is normally soldered in between two conductors. This is why it gets the name “barrier block.” The size of the barrier blocks can vary depending on the application requirements, from a few millimeters to several centimeters in length.

Application Fields of Barrier Blocks

Barrier blocks can be used for a variety of purposes in the industrial and electrical fields. In the industrial sector, they are used to create fault protection in machines, control energy distribution, and improve energy efficiency. They can also be used in the electrical industry to create a more efficient and safer connections between wiring and devices.

Barrier blocks are also used in telecommunications, computer, and automotive applications. In vehicle-power circuits, barrier blocks are used to connect several electrical circuits to one energy source. In data communication, barrier blocks are used to connect two or more digital lines. In computers, they are used for external connection of input/output pins to various devices.

Working Principle of Barrier Blocks

The workings of the barrier block are quite simple. The main function of the block is to provide electrical insulation between two conductors. The conductors are connected to one another by a conductive metal alloy which serves as an insulation barrier. This metal alloy is capable of conducting electricity, but it resists any heat generated through the contact between the conductors.

Once the conductors are connected, they can be fed with a certain voltage. If the voltage exceeds a certain level, the barrier block will blow-out and interrupt the current flow protecting the wiring from damage. The voltage level where the block trips can be adjusted according to the application.

Summary

Barrier blocks are widely used in various industrial and electrical fields due to their versatility and high current capacity. They are commonly employed for fault protection, energy control, and energy efficiency. The barrier blocks provide electrical insulation between two conductors and trip in case the voltage exceeds a certain adjustable level, protecting the wiring from damage. This article has provided an overview of barrier blocks, their application fields, and how they work.

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