From Weidmuller

For reliable and safe marshalling in modern Distributed Control Systems (DCS), modular terminal blocks are still the first choice - especially for very large and complex systems - although alternative technologies are available. Terminal blocks offer good value and availability because they are easy to use and provide a high level of design flexibility. Modern terminal blocks also offer a variety of additional features, including clear and fast identification, and are available in many configurations such as ground blocks and fuse blocks. Additionally, terminal blocks with screw connections are well-known world wide in the Process Industry as the most common and reliable interface for the connection of signals to and from the field.

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