The SAE J3400/2 standard, published in May 2025 by SAE International, advances the North American Charging Standard (NACS) by providing detailed specifications for electric vehicle (EV) connectors and inlets. This standard includes 2D mechanical drawings and 3D models, facilitating consistent design and manufacturing across the EV industry.
Key Features of SAE J3400/2:
- Unified Connector Design: Standardizes the physical architecture of EV charging connectors, ensuring interoperability between vehicles and charging stations.
- Comprehensive Documentation: Offers precise mechanical and dimensional data to assist original equipment manufacturers (OEMs) and charging equipment providers in developing compatible hardware.
- Support for AC and DC Charging: The NACS connector supports both alternating current (AC) and direct current (DC) charging using the same compact connector, simplifying the charging process for users.
The adoption of SAE J3400/2 is expected to enhance the EV charging infrastructure by promoting a standardized, efficient, and user-friendly charging experience across North America.
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