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Terminal blocks are used in a wide variety of industries and application fields, and they have a wide range of working principles. These principles can be divided into three main categories: spring connection, snap connection and screw connection.

Spring Connection

Spring connection terminal blocks are among the simplest and most widely-used terminal blocks. They use a spring-loaded mechanism to make connections between two or more wires, which makes them highly reliable and robust in industrial and other demanding applications. In such block, a trained user needs only to insert the wires and turn a screw to create a secure, low-resistance connection. This type of connection is often used in permanently mounted assemblies, as well as in circuits where a high number of strong and reliable connections must be made in a fraction of the time. The wires in spring-connected blocks do not require any additional stripping or soldering, making them easier to use and much more efficient than other types.

Snap Connection

Snap connection terminal blocks are used when two or more wires must be permanently connected with each other and require quick and easy installation. This type of block utilizes a clip-on connection that requires no additional stripping or soldering. The clips in a snap-on terminal block have two conductive parts, one of which is connected to the wire and the other is connected to the upper circuit board. The clip is then snapped shut to create a secure connection that requires little force. This type of connection is commonly used in equipment that must be quickly and easily serviced or modified.

Screw Connection

Screw connection terminal blocks are the most reliable and dependable variety of terminal blocks. They are designed to make secure, low-resistance connections between two or more wires, and they are ideal for long-term installations where a high number of dependable connections must be made. In these blocks, a trained user must insert the wires, secure them tightly with a screw terminal, and make soldering/welding connections. Screw connection terminals offer very low resistance connections and durability in extreme environments, making them perfect for industrial applications.

Terminal blocks with different working principles are regularly employed in various industries and application fields. While spring connection terminal blocks are perfect for quickly and easily making low-resistance connections, snap connection blocks are ideal for quick installations and modifications, while screw connection blocks are the most reliable and dependable to use in long-term applications that require a high number of powerful connections. No matter which kind of block is used, the results are always reliable and effective.

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