11675-2

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Terminal blocks, also known as terminal boards or strips, are electrical components used to facilitate the connection between electrical wires. They are commonly used for power distribution applications, such as connecting and distributing power to various electrical devices. IEC Standard 11675-2 details the procedures, requirements, and components to use for terminal blocks used for power distribution applications. In this article, we will discuss the application field and working principle of IEC Standard 11675-2.

Application Field of IEC Standard 11675-2

IEC Standard 11675-2 pertains to all terminal blocks used for power distribution applications. This includes both single and multi-level terminal blocks. It should be noted that the standard does not cover the requirement for usage of stranded wire for terminals. This must adhere to the applicable wire connection standards.

The standard applies to all facets of terminal block products, including design, testing, traceability, and certification. Additionally, it covers the requirements for components, such as screws, nuts, and other mountings. It also covers the necessary safety requirements.

Working Principle of IEC Standard 11675-2

The main purpose of IEC Standard 11675-2 is to provide a safe and reliable connection between electrical wires and terminal blocks. To achieve this, the standard states that the terminal block should be designed in such a way that prevents any electrical shock and potential fires. To ensure this, all terminal blocks must be able to withstand the necessary voltage and current, and have an insulation material that prevents electrical leakage.

Additionally, all terminals must be able to accept any type of wire insulation, and must have a contact width that is suitable for the specific cable size. All terminal blocks must also be able to accept terminal markers, and must have a surface that is corrosion-resistant and able to withstand normal environmental conditions.

Finally, all terminal blocks must be able to be connected and disconnected with ease. This includes the ability to be plugged with a single hand. Additionally, all terminal blocks must be able to be locked in the connected position to ensure safety and avoid accidental disconnection.

Conclusion

IEC Standard 11675-2 is a comprehensive set of requirements for the design, components, and testing of terminal blocks used for power distribution applications. The main purpose of the standard is to ensure the safety and reliability of the terminal blocks. Additionally, the standard covers the requirements for components, such as screws, nuts, and other mountings. It also covers the necessary safety requirements. Overall, IEC Standard 11675-2 ensures that all terminal blocks used for power distribution applications are designed in such a way that prevents any electrical shock and potential fire hazards.

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