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Terminal blocks, or terminal boards, are designed to secure two electrical components of a low voltage system. They are commonly used in the low voltage range, in applications such as computer power supplies, communications systems, and signals. The blocks are designed to provide a safe and convenient connection between two objects or terminals that have differing electric potentials.

Terminal blocks can be divided into two primary categories: wire-to-board and board-to-board. These two categories of terminal blocks clearly describes the general application and working principle of the blocks.

Wire to board terminal blocks are typically used to provide a secure connection between a wire and a printed circuit board. They are generally found in a range of sizes and features. In general, the structures are very simple. The connection works by inserting the wire into the socket of the block and clamping it down. The connection is then secured by soldering the wire to the board.

The working principle behind wire-to-board terminal blocks is based on the concept of complete electrical isolation. This isolation ensures that no electric current is conducted between the two parts that are connected. Electrical energy is conducted only across the terminal’s contact point. This contact point is what clamps down on the wire and holds it in place. Once the connection is clamped, electrical energy will travel from the wire to the board.

Board-to-board terminal blocks provide a secure connection between two printed circuit boards. These blocks are generally available in multiple sizes and styles. The connection is often made utilizing an adapter that is attached to the boards. This adapter creates a tight connection between the two boards. The adapter is then secured with hardware (screws, nuts, bolts, etc.).

As previously mentioned, board-to-board terminal blocks are designed to securely connect two printed circuit boards. This is accomplished by creating a tight connection between the two boards. This tight connection then allows electrical energy to be conducted between the two boards. The connection is designed to be reliable, as energy will only travel across the terminal’s contact points.

Terminal blocks are available in a wide variety of sizes and styles to meet the requirements of different applications. They are also produced with multiple features such as easy-to-use terminals, removable conductors, and quick-disconnect plugs. Terminal blocks are a widely used and versatile component for connecting low voltage systems and are an essential component in many low voltage applications.