1826200000 Connectors, Interconnects

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1826200000 Terminal Blocks are an important part of every electrical system, providing a secure and reliable mechanical connection between two or more electrical components.

They are used in industrial as well as home and office applications. Terminal blocks are also known as power connection devices, splicing blocks, or terminal strips. Terminal blocks are available in a variety of sizes and styles to accommodate many different electrical requirements. They are available in both DIN rail and channel-style terminal blocks.

DIN Rail Terminal Blocks

DIN Rail Terminal Blocks are the most common type of single-level terminal blocks designed for use in a variety of industrial, commercial, and residential electrical assignments. They are designed for connection of electrical components onto a horizontal mounted DIN rail with several advantages, such as quick installation, vibration-proof connections, and secure wiring. There are a wide range of DIN Rail terminal blocks available including terminal blocks with multiple levels, specialty terminal blocks, and blocks created for specific application requirements, such as uninterruptible power systems (UPS). They also offer a wide range of features and accessories, such as fuse terminal blocks, disconnect terminal blocks, pre-assembled wiring harnesses, and more.

Channel Style Terminal Blocks

Channel style terminal blocks are typically mounted on the side of a cabinet or flat surface. This type of terminal block uses a spring-clamp method of connecting wires. The wires are first stripped and fed through an opening at the base of a channel and pulled firmly around the screwless connector. This creates an electrical connection at the point of contact by compressing the internal contacts together with an adjustable spring-clamp assembly. Channel style terminal blocks are available in a variety of configurations and offer features such as protection against short circuits, dust and water, fuse holders, signal output, and over-voltage protection.

Working Principle

Terminal Blocks operate by securely connecting two electrical components via a mechanical connection. The mechanical connection is achieved by inserting wires into the blocks’ terminal slots and then screwing down a spring-loaded clamp, or by inserting a pre-made wire into a blind spring-loaded connector. The screws create a secure connection to the wire, and the clamps ensure a tight fit to make the contact secure.

Once connected, the terminal blocks configure the point-to-point connections for the desired current flow within an electrical system. By properly connecting the electrical components, the electrical engineer can determine which components receive power, and how much current each component should receive. This provides a secure, reliable, and safe electrical system.

Terminal blocks are used in a variety of applications, including lighting systems, energy systems, industrial control systems, automotive, and consumer electronic products. They are also used in office equipment, communications systems, and other industries to ensure that all electrical components are properly configured and protected.

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