4155 Connectors, Interconnects

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Terminal strips and turret boards are used in electrical engineering to provide an insulated barrier between the main power source and the end user. They are typically used when extra safety measures need to be taken to ensure the safety of personnel and comply with electrical safety code requirements. Although they have been around for decades, their modern designs and capabilities have significantly evolved. This article will review the application field and working principle of 4155 terminal strips and turret boards.

4155 Terminal Strips and Turret Boards

4155 terminal strips and turret boards are part of the 4155 terminal block series produced by Phoenix Contact. This series is certified to UL 508A standards and can be used in both single and double row applications. It is designed to provide an isolated connection between the user and the power source in order to eliminate electrical interference and prevent accidental shock. This series requires the connection of two cables to ensure a safe connection and provide a reliable data transmission.

Application Field

4155 terminal strips and turret boards are primarily used to connect the user to the main power source in applications such as industrial machinery, home appliances, and other electronic systems. They are especially suitable for applications that require a quick connection with little to no wiring modifications. The blocks also have an environmental resistance rating of IP20, meaning they are protected against incidental contact with dust and water and are ideal for use in harsh environmental conditions.

Working Principle

4155 terminal strips and turret boards are typically made from a combination of steel and plastic components. The steel components provide the mechanical contact between the user and the device while the plastic components provide the electrical insulation. The terminal strip itself consists of two rows of contacts which are connected to each other using a bridge wire or an insulation displacement connector (IDC). The IDC works by inserting a wire into its groove and pushing it through the insulation. This creates a connection without making any modifications to the wire itself. The terminal strips can then be used to connect the user to the main power source, or to provide a connection between two adjacent blocks on the same board.

Conclusion

4155 terminal strips and turret boards are an important component of the electrical engineering world as they provide a safe and reliable connection between the user and the main power source. They have an IP20 rating, meaning they are protected against dust and water, and they require simple connections with no wiring modifications. These characteristics make them an ideal choice for applications that require a quick connection with little to no risk.

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