HV Wiring Harness for EV Distribution Box to Battery Pack

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: TE, Yazaki, Aptiv, or custom high voltage plugs
Length: Customizable (typical range: 0.5 – 2 meters)

YONGRUI ENERGY HV Wiring Harness is specifically designed for new energy vehicles, providing a safe and reliable connection between the high voltage distribution box and the battery pack.

Manufactured with premium heat-resistant and flame-retardant materials, along with advanced EMI shielding options, this harness ensures stable electrical performance and long-term durability in demanding automotive environments. Suitable for EVs, HEVs, and PHEVs, it supports voltages up to 800V DC and meets essential industry standards such as ISO 26262 and RoHS.

Key Benefits

  • High Voltage Safety: Engineered with superior insulation and connectors for safe high voltage operation up to 800V DC.

  • Durability: Resistant to heat, UV rays, oil, and mechanical vibrations ensuring long service life in automotive environments.

  • EMI Protection: Optional shielding minimizes electromagnetic interference for stable electrical transmission.

  • Customizable: Flexible options for cable length, conductor size, and connector type to meet specific vehicle requirements.

  • Easy Installation: Pre-assembled with reliable plug-and-play connectors reducing assembly and maintenance time.

  • Industry Compliance: Fully meets automotive safety and environmental standards including ISO 26262 and RoHS.

Technical Parameters

Parameter Specification
Rated Voltage DC 600V – 800V (customizable)
Cable Size 12mm² – 25mm² (standard 16mm²)
Conductor Annealed copper with orange XLPE insulation
Shielding Optional aluminum foil or braided copper for EMI reduction
Jacket Material XLPE or TPE (flame-retardant, UV & oil resistant)
Connector Type TE, Yazaki, Aptiv, or custom HV plugs
Length Customizable (typical 0.5 – 2 meters)
Operating Temperature -40°C to +125°C
Insulation Resistance ≥100 MΩ (at 500V DC)
Mechanical Durability Withstands 10,000+ vibration cycles
Certifications ISO 26262, SAE J1939, RoHS

Applications

  • Electric Vehicles (EVs)

  • Hybrid Electric Vehicles (HEVs)

  • Plug-in Hybrid Electric Vehicles (PHEVs)

  • High voltage battery pack connections

  • Battery management system (BMS) integration

  • Automotive high voltage power distribution systems

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.

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