5-1437416-2

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Terminal Blocks - Barrier Blocks

Barrier blocks are terminal blocks that have a barrier or partition installed. They are designed to separate two internal circuits in order to help eliminate any potential electrical cross talk between the separated circuits. This separation provides improved electrical isolation between two circuits, which is essential when handling high-voltage power, communication and other similar applications.Barrier blocks, also known as “middle doors”, are used in a variety of high-voltage applications, including power plants, industrial control systems, security systems, emergency power systems, and any other application where electrical isolation is essential. The barrier blocks are typically fitted between two unfilled terminal blocks, allowing the separation of two circuits within the same enclosure. The barrier blocks are designed so that the two circuits can be readily identified at a glance, without having to open the enclosure. It also ensures safety, as there are no exposed terminals.

5-1437416-2 Application Field and Working Principle

The 5-1437416-2 Barrier Block is a compact space-saving terminal block designed for use in AC and DC industrial and commercial connections. It is rated for use in a wide voltage range with up to 600 Volts. The connection pins are made of brass with nickel plating. The plug-in connection is made via two spring-loaded terminals which snap into place and firmly grip the socket. The two separate circuits within the barrier block are insulated from each other by an insulating material which prevents electrocution from either circuit to the other. The sealed design also ensures a secure connection and prevents potential shorts between the two terminals.

The barrier block is designed to allow operators to make high-voltage connections without the assistance of a qualified electrician and without the use of tools. The two circuits are easily identified by the color of the terminal pins, enabling the user to quickly identify the correct wire for each circuit. In addition, it features a locking system that offers extra protection against accidental removal and tampering.

The 5-1437416-2 Barrier Block is designed to meet all UL and CSA safety standards, and has been tested to ensure it is of optimal performance and quality. It is suitable for a wide range of applications, including industrial, commercial, audio/video, and lighting.

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