Water-cooled charging cable
Application Scenarios
Advantages
• Lightweight cables with excellent handling characteristics
• High current-carrying capacity and superior temperature rise performance, significantly enhancing charging efficiency
• No risk of bursting, ensuring safety and reliability
• Fully certified to meet global cable standards across multiple regions
• Tailored liquid-cooled ultra-fast charging solutions available to meet specific customer requirements
Standard
CQC1147-2025
GB/T 33594-2025
IEC 62893-4-2
UL2263
Certification
UL Certification (4x3AWG+9AWG+8x20AWG Certificate No.: UL-US-2416518-0)
TÜV Certification (Certificate No.: R 50687126 0001)
CQC Certification (Certificate Nos.: CQC25011462456, CQC23011402607)
General Specification
Contact OMG Cable Specialists for the latest cable specifications
Cable Characteristics
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Electrical Reliability Test |
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Item |
Request |
Test Method |
|
Rated Voltage |
1500VDC |
/ |
|
Rated Temperature |
-40~+90℃ |
/ |
|
Conductor Resistance（at20℃） |
35mm²≤0.554Ω/km；16mm≤1.21Ω/km；2.5mm≤7.98Ω/km：0.75mm²≤26Ω/km |
GB/T3956 |
|
Insulation Resistance |
20℃时≥3670MΩ*km；90℃时≥3.67MΩ*km |
GB/T 33594 |
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Dielectric |
Main core: 8.4kVDC/15 minutes without breakdown; Other cores: 3.6kVDC/15 minutes without breakdown. |
GB/T 33594 |
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Bending Radius Min. |
≥6 OD |
/ |
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Flame Test |
Complies with the vertical flame spread test |
GB/T18380.12 |
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Insulation tensile strength |
Before aging 8MPa; After aging (136°C/168 hours)，change rate ≤30% |
GB/T 2951 |
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Insulation Elongation |
Before aging 200%; After aging (136°C/168 hours)，change rate ≤30% |
GB/T 2951 |
|
Jackets tensile strenqth |
Before aging 20MPa; After aging (110°C/168 hours)，change rate ≤30% |
GB/T 2951 |
|
Jackets Elongation |
Before aging 300%; After aging (110°C/168 hours)，change rate ≤30% |
GB/T 2951 |
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Oil Resistance Test |
After 20 hours of immersion in petrol, diesel or mineral oil, the change in outer diameter shall not exceed 15%, and the winding shall not crack. |
GB/T 33594 |
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Resistance against chemicals |
Soaked in oxalic acid and NaOH solution for 168 hours, tensile strength change rate ≤30%; elongation ≥100%. |
GB/T 33594 |
|
Cold Bending Test |
-40℃/16H，NO Cracking |
GB/T 2951 |
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Hot Shock Test |
150℃/1H，NO Cracking |
GB/T 2951 |
|
Vehicle crush test |
Pressure 5000N, speed 8km/h, tyre pressure 220kPa, insulation withstand voltage without breakdown. |
GB/T 33594 |
Specifications
|
Standard |
Specifications |
Outer diameter of twisted main core wire conductor |
Reference return pipe specifications (customised to client requirements) |
Main conductor resistance |
Reference Current |
Finished external diameter |
Packaging |
|
UL2263 |
4x3AWG+9AWG |
8.9 Ref. |
Φ4*6 |
≤0.78 |
650-700A |
Structure designed to meet standards and customer requirements | As per the order or as agreed |
|
IEC 62893/ CQC1147
|
4x10mm2+Earth wire（6-25）+Auxiliary Source+Nx（0.5w-2.5）+Return pipe（Copper-clad water pipes） |
8.1 Ref. |
Φ4*6 |
≤1.91 |
250-300A |
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4x10mm2+Earth wire（6-25）+Auxiliary Source+Nx（0.5w-2.5）+Return pipe（Isolation-type） |
4.2 Ref. |
Φ4*6 |
≤0.78 |
200-250A |
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4x20mm2+Earth wire（6-25）+Auxiliary Source+Nx（0.5w-2.5）+Return pipe（Copper-clad water pipes） |
8.6 Ref. |
Φ4*6 |
≤0.92 |
500-600A |
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4x25mm2+Earth wire（6-25）+Auxiliary Source+Nx（0.5w-2.5）+Return pipe（Copper-clad water pipes） |
9.5 Ref. |
Φ4*6 |
≤0.78 |
600-700A |
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4x25mm2+Earth wire（6-25）+Auxiliary Source+Nx（0.5w-2.5）+Return pipe（Isolation-type） |
6.7 Ref. |
Φ4*6 |
≤0.78 |
500-600A |
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4x35mm2+Earth wire（6-25）+Auxiliary Source+Nx（0.5w-2.5）+Return pipe（Copper-clad water pipes） |
10.5 Ref. |
Φ4*6 |
≤0.554 |
700A-800A |
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4x50mm2+Earth wire（6-25）+Auxiliary Source+Nx（0.5w-2.5）+Return pipe（Copper-clad water pipes） |
13.1 Ref. |
Φ6*8 |
≤0.386 |
900A-1000A |