NACS Charging Port Assembly for SAE J3400 Standard Electric Vehicles

FIVER’s SAE J3400 NACS Charging Port Assembly is engineered to meet the North American Charging Standard (NACS) and comply with SAE J3400 specifications—delivering reliable, high-performance charging for modern electric vehicles (EVs). As a dual-function solution (AC + DC charging in one socket), it supports up to 350KW DC Fast Charging and 80A AC charging, making it ideal for automotive OEMs, EV retrofit projects, heavy-duty electric equipment, and industrial/marine electrification.
Certified to UL2251 and TS-00236661 standards, this charging port ensures maximum safety, durability, and compatibility with North America’s growing EV infrastructure—including seamless access to Tesla Supercharger networks (no adapters needed for retrofitted CCS EVs).

Specifications for Fiver's 1000V 350A 350KW SAE J3400 NACS Charging Port Assembly

Features for the NACS Charge Port Assembly:

1> Standard Compliance: Fiver's NACS charge port assembly is design and manufactured according to the SAE J3400 standard, UL2251 certified. Safety Guarantee. Compatible with North American EVs.
2> High Voltage & Current Rating: The NACS/ J3400 charging port is a combination of AC and DC charging. for DC charging the rated voltage is 1000V DC rated current is 350A; For AC charging the rated voltage is 240/480V, rate current is 80A max.
3> Robust Construction & Mechanical Durable: Adopt ultra-sonic welding technology for the joint of terminals & cables ensure secure and low-resistance electrical contacts, reducing power loss  and temperature rise during charging; Designed for over 10000+ mating cycles, ensure long term reliability and constant performance.
4> Built-in Temperature Sensors: Our NACS charging port with 2 built-in NT10K/PT1000 temperature sensors on DC cables. dynamically monitoring the  temperature rise, and triggers safety measures if overheating is detected—protecting the EV battery and charging system from damage.
5> Customized Cable Length: The cable length of the J3400 charging port assembly can be customized according to customers' requirements.
6> Module Design: The NACS port is with module design, Easily customizable and expandable. Streamlined development, reduced maintenance, and improved inventory management. more reliable and durable.
7> OEM and ODM service welcomed: Collaborate with our engineering team to customize pin configurations, casing colors, or branding for bulk orders.

Wiring Specification and Diagram for the 350A NACS Port Assembly.

Applications of the SAE J3400 Charging Ports

1> Car Makers to Built New Cars: NACS charging standard now widely adopted by major car makers in the united states, the demand for J3400 port is growing.

2> EV Retrofit: For EVs with CCS equipped charging ports to retrofit to NACS to access the nation wide Tesla supercharging network without the need for NACS adapters.

3> Heavy-Duty Electric Vehicles: Powers long-haul electric trucks, mining vehicles, and construction equipment demanding 1,000V DC/350A durability in harsh environments.

4> Marine & Industrial Equipment: Suitable for electrified ferries, port cranes, and off-grid energy systems. Rugged design resists saltwater corrosion and dust—ensuring reliable charging in industrial settings.

5> Renewable Energy Storage Integration: Supports bidirectional charging (V2G/V2L) for solar/wind storage systems. Connect EVs to renewable energy grids to store excess power or supply electricity back to the grid during peak demand

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