EYJR-125 AC600V/DC900V Single-Core Unshielded Automotive High-Voltage Cable
Applications
Suitable for connecting charging ports to batteries, within batteries, between batteries and engines and other components, and in battery energy storage devices.
As a carrier for power transmission, electric vehicle high-voltage cables have very high performance requirements due to the harsh in-vehicle environment.
Technical Parameters
Reference Standards: ISO 6722-2006 QC/T1037-2016
Rated Voltage: AC600V/DC900V
Rated Temperature: -40°C to +125°C
Conductor: Stranded fine copper wire
Insulation Material: Irradiated XLPO
Insulation Color: RAL2003 Orange or other custom colors
Minimum Bend Radius: Fixed Installation 6 x D (Cable Outer Diameter)
Dielectric Strength Test: 5000V/5min
Spark Test: 8kV
Flame Retardancy: Passes 30s Self-Extinguishing Test
Finished Cable Heat Shrinkage:
Insulation: ≤2mm
Environmental Requirements: RoHS Compliant REACH Compliant
Halogen-free: Meets GB/T19666-2019
Low smoke: Meets IEC61034-2:2019
Special marking: image.png
Product Features
Small cable diameter, saving installation space
Oil-resistant, heat-resistant, low-temperature-resistant, flame-retardant, abrasion-resistant, and possesses excellent mechanical properties
Nominal cross-section mm² | Conductor structure (Number of roots/diameter) | Nominal insulation thickness mm | Wire outer diameter max. mm | 20℃ Conductor resistance max (Q/km) | |
| copper core | Tinned copper core | ||||
| 1.5 | 30/0.25 | 0.3 | 2.4 | 11.7~12.7 | 11.9~13.0 |
| 2.5 | 50/0.25 | 0.35 | 3 | 6.99~7.60 | 7.19~7.82 |
| 4 | 56/0.30 | 0.4 | 3.7 | 4.33~4.71 | 4.46~4.85 |
| 6 | 84/0.30 | 0.4 | 4.3 | 2.89~3.14 | 2.97~3.23 |
| 10 | 320/0.20 | 0.6 | 6 | 1.68~1.82 | 1.70~1.85 |
| 16 | 510/0.20 | 0.65 | 7.2 | 1.07~1.16 | 1.09~1.18 |
| 25 | 790/0.20 | 0.8 | 8.7 | 0.688~0.743 | 0.701~0.757 |
| 35 | 1090/0.20 | 0.8 | 10.4 | 0.489~0.527 | 0.500~0.538 |
| 50 | 1600/0.20 | 0.9 | 12.2 | 0.343~0.368 | 0.350~0.375 |
| 70 | 2175/0.20 | 1 | 14.4 | 0.243~0.259 | 0.248~0.2647 |
The Single Core Unshielded Automotive High Voltage Cable is specifically designed for electric vehicles (EVs), hybrid electric vehicles (HEVs), and other advanced automotive systems that require efficient and reliable high-voltage power transmission. Built with precision and manufactured according to international automotive standards, this cable ensures superior electrical conductivity, durability, and safety.
Material: High-conductivity copper or aluminum
Design: Single-core construction for efficient current flow
Advantage: Reduces energy loss and ensures consistent high-voltage transmission
Material: High-grade cross-linked polyethylene (XLPE) or equivalent
Features:
Excellent thermal stability
High dielectric strength
Resistance to abrasion, oils, and automotive fluids
Suitable for high-voltage applications in EVs and HEVs
Rated voltage range: 600V to 1500V
| Property | Specification |
|---|---|
| Conductor Material | Copper / Aluminum |
| Structure | Single-core, Unshielded |
| Voltage Rating | 600V – 1500V |
| Insulation Material | XLPE or equivalent |
| Operating Temperature | -40°C to +125°C |
| Standards Compliance | ISO, IEC, SAE J standards |
The pure copper or aluminum conductor ensures excellent conductivity and reduced power loss, making it ideal for high-voltage automotive systems.
The advanced insulation provides outstanding protection against heat, chemicals, and mechanical stress, ensuring a long service life even in demanding environments.
The single-core design allows easy routing within compact vehicle architectures, improving installation efficiency.
Manufactured to meet ISO, IEC, and SAE J automotive standards, ensuring quality, safety, and global compatibility.
| Feature | Benefit |
|---|---|
| High Conductivity | Stable and efficient power delivery |
| Strong Insulation | Resistance to heat, oils, and chemicals |
| Flexible Structure | Easy to install in compact spaces |
| Standard Compliance | Meets global automotive safety requirements |
Battery-to-inverter connections
Inverter-to-motor power transmission
EV charging system cabling
High-voltage distribution in hybrid vehicles
Always follow the vehicle manufacturer’s wiring diagrams
Avoid excessive bending or twisting of the cable
Keep the cable away from sharp edges or moving parts
Ensure secure connections with proper terminals and lugs
| Application Area | Function |
|---|---|
| Battery to Inverter | High-voltage energy transfer |
| Inverter to Motor | Power transmission for propulsion |
| Charging System | Reliable energy intake and output |
| Distribution in HEVs | Internal power distribution network |
Disconnect the vehicle’s main power supply.
Gather necessary tools (wire cutters, crimping tools, connectors).
Inspect the cable for any visible damage.
Measure & Cut: Cut the cable to the required length.
Strip Insulation: Carefully strip the insulation without damaging the conductor.
Attach Connectors: Crimp appropriate terminals onto the conductor.
Route the Cable: Place the cable along designated paths within the vehicle.
Secure the Cable: Use clips or ties to fix the cable in place.
Connect & Test: Connect to the respective components and perform a continuity test.
Only qualified electricians or automotive technicians should handle installation.
Use insulated tools and wear protective equipment.
Double-check polarity and connection integrity before re-energizing the system.
[ Battery ] ---- [ High Voltage Cable ] ---- [ Inverter ] ---- [ Motor ]
Illustration: Simplified installation route of the single-core unshielded high-voltage cable in an EV powertrain.
Standard warranty period: 12–24 months
Covers manufacturing defects and insulation failures
Online support via email, phone, or video call
On-site troubleshooting available for bulk customers
Installation guidance and training programs
Free replacement for defective cables within warranty
Fast delivery of spare parts and accessories
| Service Type | Support Details |
|---|---|
| Warranty | 12–24 months, covers manufacturing defects |
| Technical Support | Online and on-site assistance |
| Replacement | Free replacement within warranty |
| Training | Installation and safety training available |
The Single Core Unshielded Automotive High Voltage Cable is widely used in:
Electric vehicles (EVs)
Hybrid electric vehicles (HEVs)
Charging stations and infrastructure
Renewable energy storage systems
Reliable Quality: Manufactured with advanced technology and strict QC
Wide Compatibility: Suitable for global automotive applications
Excellent Support: Full technical and after-sales service
Proven Safety: Meets international standards for high-voltage automotive cables
The Single Core Unshielded Automotive High Voltage Cable is a high-performance, durable, and safe solution for modern electric and hybrid vehicles. With strong after-sales support, proven core advantages, clear usage methods, and professional installation guidelines, it delivers long-lasting performance and reliability. It is the ideal choice for manufacturers, distributors, and service providers in the automotive industry.
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