1721009

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• Terminal Blocks – Headers, Plugs and Sockets


• Introduction

Terminal blocks are a type of electrical connection device. It is used as an interface for various types of components and allows interconnection and exchange of electrical signals between components. It also acts as an additional layer of insulation to aide in the safe operation of electrical and electronic equipment. Terminal blocks are also commonly referred to as headers, plugs and sockets depending on their specific design and purpose.

• 1721009 Application Field and Working Principle

1721009 terminal block is an innovative design which finds application mainly in the industrial automation sector. It is primarily designed for the connection of signals, control and circuit protection elements. This terminal block consists of a housing made from a rigid insulating plastic material and two contact strips. The contact strips are generally metal and slightly curved to secure the electrical connection. The female sockets are embedded on top of the two contact strips providing reliable holding of the plug. The 1721009 is a four-pole terminal block capable of withstanding currents up to 20A.

The working principle of the 1721009 is based on the connection/disconnection of the electrical contact through the plugging/unplugging of a male-female type connector. This connector consists of specifically designed pins/male contacts and sockets/female contacts. The pins are connected to a contact strip embedded in the terminal block, whereas the sockets are connected to the electrical circuit line. When the connector is plugged, the pins create an electric contact with the sockets thus providing the flow of electric current form the electrical circuit line to the terminal block. The contact strips are designed to withstand both the current and the heat generated due to the electric current.

• Features and Benefits

The 1721009 terminal block offers a wide range of features and benefits when compared to conventional terminal blocks. Some of the key features of the 1721009 include:

• Low contact resistance – The contact resistance of the 1721009 is consistently low, this ensures a reliable and high-quality connection between the components (socket and plug) and the terminal block.
• Safety – The terminal block is designed to meet the safety standards of the EN 60947-7-1. This ensures that the device is safe for use in the industrial automation sector.
• Versatility – The 1721009 terminal block can be used for a variety of applications, for instance, as a connection for signals, control and circuit protection elements.
• Compact Design – The terminal block is designed with a compact size and shape, making it ideal for applications where space is limited.
• Conclusion

The 1721009 terminal block is a versatile, safe and reliable device which finds its application mainly in the industrial automation sector. It is designed with a compact size and shape and offers a low contact resistance, making it an ideal solution for applications where space and quality connection is a factor.

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