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Terminal Blocks - Din Rail, Channel

Terminal blocks are suited for typical industrial automation applications, including connecting signals in motor controls, power supplies, distributed I/O systems and other common wiring applications. They are available in various materials, such as plastic, aluminum, and stainless steel, and are often designed for easy installation and maintenance and improved reliability.

Among the different types of terminal blocks, din rail and channel terminals are two of the most popular. Din rail terminals allow wires to be plugged into NEMA enclosures through a din rail mounted plug. Channel terminals are used to connect wires and components to PCBs or their backplanes, often in place of the traditional socket head screws and spacers.

Din Rail Terminals

Din rail mounted terminal blocks are typically panel-mountable, and are used to connect wires and components to NEMA enclosures or other metallic frames. Their popular use in both indoor and outdoor settings makes them well-suited to the rigors of machine health and component reliability in industrial settings. In addition, their “plug-and-play” phase continuity feature allows for high-efficiency termination and increases the speed of the wiring process.

Din rail terminals are available in a wide range of configurations, ratings and sizes. Some of the popular options include single-acting pluggable, positive-locking, double-acting pluggable, twist lock and finger safe terminals. Each type has unique features and benefits that make them suitable for many applications.

Channel Terminals

Channel terminal blocks are ideally suited for applications that need quick and reliable connections between components, such as embedded systems or fieldbuses. These blocks can be mounted on PCBs or their backplanes to make strong and secure connections. With their push-in technology feature, they provide quick and efficient connection without the use of tools.

Channel terminals are generally constructed from glass filled thermoplastics, which is designed to handle both the electrical and environmental requirements of the application. These terminal blocks are also available in various contact arrangements and current ratings, such as screw clamp, snap-in, MK, SAK and CS power blocks.

Conclusion

Both din rail and channel terminal blocks are designed to ensure efficient, reliable, and secure connections in industrial automation applications. They are widely used for connection between wires and components, PCBs, enclosures, and backplanes. With their excellent design, flexibility and expansive selection, they are the ideal choice for any installation and maintenance requirement.

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