Technical Articles

What is EN 51875?

EN 51875 is a technical standard that plays a crucial role in setting regulations and ensuring the safety of electrical components used in vehicles. This standard applies specifically to high-voltage components, such as batteries and cables, which are used in electric and hybrid vehicles. It establishes requirements for the design, testing, and performance of these components to ensure their safe operation under various conditions.

Importance of EN 51875

The implementation of EN 51875 is essential for the development and production of electric and hybrid vehicles as it focuses on their safety aspects. Electric vehicles operate using much higher voltages compared to traditional internal combustion engine vehicles, making compliance with this standard a critical factor. By adhering to the guidelines outlined in EN 51875, manufacturers can ensure that their vehicles meet the necessary safety standards and provide peace of mind to consumers regarding the reliability and performance of these components.

Requirements of EN 51875

EN 51875 encompasses several important requirements that high-voltage components must adhere to. These include insulation resistance, resistance to vibration and mechanical shock, protection against liquid ingress, fire resistance, and thermal behavior. The standard also outlines specific tests that need to be conducted on these components to validate their compliance with the requirements. These tests may involve measuring electrical properties, subjecting the components to environmental conditions, and evaluating their overall performance and durability.

Benefits of EN 51875 Compliance

Complying with EN 51875 offers numerous benefits to both manufacturers and end-users. For manufacturers, it ensures that their products meet the required safety standards, minimizing the risk of malfunction or failure. This, in turn, helps build trust with customers and enhances the reputation of the company. From the perspective of end-users, compliance with EN 51875 provides assurance that the vehicle they are using has undergone rigorous testing and meets strict safety requirements for high-voltage components. It offers peace of mind and promotes the wider adoption of electric and hybrid vehicles in the market.

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