562013200

Terminal Blocks - Barrier Blocks

Barrier Blocks, represented by item 562013200, are a type of Terminal Blocks used to protect live circuits from short circuits and other accidental contacts. It consists of two parts, a base which holds the terminal screws and a contact bridge or jumper. These two parts are joined together with locking screws, creating an electrical isolation barrier between the two sides. The barrier blocks also have a dielectric strength rating, which is how much voltage the block is able to withstand without causing a degradation in performance.

Barrier Blocks play an important role in many industrial and commercial applications where live circuits with multiple connections need to be insulated, and also in applications where flexibility is needed when widely spread terminals need to be interconnected. They find applications in areas such as industrial control panels, HVAC systems, automotive electronics, military electronics, and many more.

Working Principle of Barrier Blocks

The key principle on which barrier blocks operate is to effectively insulate the live circuits from each other with the use of the barrier blocks. Barrier blocks are usually connected on both sides of the same bus bar inside the terminal block, with the help of a junction socket or a live switch. This creates a safe separation between both the high and low voltage circuits.

The contact bridge or jumper is usually placed between the two terminal screws on both sides of the block. The contact bridge consists of a conductive material and provides the necessary electrical connection between the two sides of the block, allowing for the live current to transfer from one side to the other, without coming into contact with the shielded area. The jumper also serves to prevent arcing between the two sides of the block, thus providing effective isolation.

In applications where flexibility is required, the Bridge Socket can be used in conjunction with the barrier blocks. The Bridge Socket, also known as the Banana Plug, allows both sides of the block to be connected to different live lines, thus providing more flexibility and ease-of-use.

Conclusion

Barrier Blocks, represented by item 562013200, are a type of Terminal Blocks used for providing electrical isolation, preventing accidental contact between high and low voltage lines. They are used due to their ease-of-use, flexibility, and safety features. They can be used in many applications such as industrial control panels, HVAC systems, automotive electronics, military electronics, and many more. Barrier Blocks are available in different sizes and configurations, with or without Bridge Sockets, to ensure that the user can select the best option for their specific application.