High Voltage Wiring Harness for EV Distribution Box to Motor

Rated Voltage: DC 600V – 800V (customizable)
Cable Size: 12mm² – 25mm² cross-section (standard 16mm²)
Conductor: Annealed copper with orange XLPE insulation
Shielding: Optional aluminum foil or braided copper for EMI protection
Jacket Material: XLPE or TPE (flame-retardant, UV & oil resistant)
Connector Type: Waterproof TE, Yazaki, Aptiv, or custom high voltage plugs
Length: Customizable (typical range: 0.5 – 2 meters)

High Voltage Wiring Harness designed for new energy vehicles, connecting high voltage distribution boxes to motors. Durable, safe, and reliable wiring harness with excellent electrical performance for electric and hybrid vehicles.

Key Benefits

  • High Safety and Reliability: Designed for high voltage applications with superior insulation and robust connectors to ensure safe operation.

  • Durable Materials: Resistant to heat, UV, oil, and mechanical vibration, ensuring long service life in harsh automotive environments.

  • Excellent Electrical Performance: Low resistance and EMI shielding options guarantee stable power transmission and minimal signal interference.

  • Customizable Solutions: Flexible cable lengths, conductor sizes, and connector types to fit specific vehicle designs and requirements.

  • Easy Installation: Pre-assembled wiring harnesses with plug-and-play connectors reduce assembly time and maintenance efforts.

  • Industry Compliance: Meets key automotive standards like ISO 26262 and SAE J1939 for functional safety and quality.

Technical Parameters

Parameter Specification
Rated Voltage Up to 800V DC
Insulation Resistance ≥100 MΩ (at 500V DC)
Operating Temperature -40°C to +125°C
Cable Type Multi-core, shielded high voltage cables
Connector Type Waterproof, vibration resistant
Flame Retardancy UL94 V-0
Mechanical Durability Withstands 10,000+ vibration cycles
Certification ISO 26262, SAE J1939, RoHS
Maximum Current Up to 200A
Length Customizable

Applications

  • Electric Vehicles (EVs)

  • Hybrid Electric Vehicles (HEVs)

  • Plug-in Hybrid Electric Vehicles (PHEVs)

  • High voltage powertrain systems

  • Battery management system (BMS) wiring

  • Electric motor connections

  • Automotive high voltage distribution networks

Why choose us?

Two production bases, 12 yearsof production experience

01

Comprehensive R&D, Design, And Manufacturing

A strong R&D team meets diverse industry needs with tailored power cables, wiring harnesses, and charging solutions. Full services from design to mass production ensure high quality.

02

Integrated Production & Precision Management

Full-process production capability from raw materials to finished products. International certifications ensure every production step meets high standards. Smart systems monitor production in real-time, enhancing efficiency and resource optimization.

03

Efficient Supply Chainmanagement & Fast Response

A global sourcing network ensures timely supply of high-quality raw materials. Detailed production planning and scheduling enable quick response and on-time delivery. Optimized inventory management addresses market fluctuations and risks, ensuring supply chain stability and reliability.

Factory strength

Production equipment, production linesand testingequipment

Qualifications & Certifications

Complies with a number of global standards Help products to enter the international market

Frequently Ask Questions

A: Yes, we offer fully customizable services. We will work closely with you to design energy harnesses, connectors, and charging stations that meet your specific requirements and application needs. Our design team ensures that every detail adheres to your technical specifications and functional demands.

A: Absolutely. We provide customized charging stations for both AC and DC applications, with adjustable power ratings and voltage ranges to suit your needs. Whether it’s for residential or commercial use, we can offer a tailored solution for your charging infrastructure.

A: Yes, we support various internationally recognized plug types, including Type 1, Type 2, CCS1, CCS2, and CHAdeMO. We customize our products to ensure compatibility with different plug standards, offering you flexibility in your electric vehicle charging solutions.

A: Our products are designed to endure extreme conditions such as high temperatures, humidity, UV exposure, and chemical corrosion. We ensure that all our energy harnesses and connectors pass rigorous environmental testing, guaranteeing reliable long-term performance even in challenging environments.

A: We collaborate with you from the outset to thoroughly understand your technical requirements. During the design and manufacturing process, we adhere to strict quality management systems such as ISO 9001. We also conduct detailed testing to ensure that the products meet the technical standards and specifications you have set.

A: Yes, we provide samples for you to test and verify the functionality and compatibility of our products. Once you provide feedback on the samples, we can make adjustments to the design as needed to ensure the final product fully meets your expectations.

A: Yes, we offer a wide range of material options, including high-temperature resistant materials, UV-resistant materials, and corrosion-resistant materials. We will select the most suitable materials based on your application’s needs and working environment.

A: Yes, our products are compliant with a variety of international standards such as CE, UL, RoHS, and ISO 9001. We ensure that the products meet the regulations and standards required by different regions and markets.

A: We offer complete charging solutions, including charging stations, EV chargers, cables, and connectors. All components can be customized to your requirements, and we also provide installation and commissioning services to ensure the equipment is up and running smoothly.

A: You can contact our sales team with detailed information about your requirements, and we will provide a customized quote and solution. We will then guide you through the design and production process, maintaining close communication to ensure everything goes smoothly.

Get Started

We aim for open collaboration.

Contact us to get more latest information about our products