1706060000 Connectors, Interconnects

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Terminal Blocks - Din Rail, Channel

Introduction

Terminal blocks are a common form of electrical connection in the form of a two-terminal device which is used to secure an electrical connection between two conductors. They come in several different styles such as din rail, channel, individual or standard, and are available to support both standard and custom applications. Different types of terminal blocks support different applications such as control, signal, telecommunications, and power.

Terminal Block – Din Rail

A din rail terminal block is a device consisting of vertically mounted metal bars, called rails, with spring-loaded contact blocks mounted onto the bars. The spring-loaded contact blocks contain two or more screw terminals each. The terminal blocks are often used to connect electrical wires to one another, but they can also be used to attach electrical wires to devices, providing, for example, a main power supply to a device.

A din rail terminal block is designed to support standard applications, and they can be wired for the following scenarios:

• Attaching a single conductor to a device
• Connecting a conductor to one or more other conductors
• Joining multiple conductors together
• Splitting a conductor into two or more
• Creating input and output nodes, for example, creating the output from a device act as an input to another device

In order to use a din rail terminal block, the user unscrews the spring-loaded contact blocks, inserts the conductors, and screws the terminal blocks back in place. This process secures the conductors and helps prevent contact loss or any damage to the conductors. Din rails can also be easily removed and reused, meaning that the connections can be changed without having to start from scratch.

Terminal Block – Channel

A channel terminal block is a device consisting of one or more individual devices, each of which contains two screw terminals for connecting electrical wires. The device itself is mounted onto a PCB (printed circuit board) and secured onto the board with screws. The channel type terminal block is used to create multiple connections from one point to another.

Channel terminal blocks are generally used in applications where several connections have to be made at once. For example, they can be used to connect input and output nodes from several different devices. They are also used in applications where the same connection needs to be used multiple times, such as connecting several lights to one switch.

In order to use a channel terminal block, the user unscrews each of the screw terminals, inserts the conductors, and screws the terminal blocks back in place. This process secures the conductors and helps prevent contact loss or any damage to the conductors. Channel terminal blocks can also be easily removed and reused, meaning that the connections can be changed without having to start from scratch.

Conclusion

Terminal blocks are essential for a wide variety of electrical applications, and they come in several different styles such as din rail and channel. Din rail terminal blocks are designed to support standard applications, and they are used to connect a single conductor to a device, connect several conductors together, or split one conductor into multiple. Channel type terminal blocks are primarily used in applications where several connections have to be made at once. Both types of terminal blocks are designed to be easily removable and reusable, meaning that the connections can be changed without having to start from scratch.

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