Product Overview
JG Silicone Rubber High-Temperature Cable delivers extreme thermal resilience (-60°C to +180°C) for H-class insulation systems. Engineered for 690V/1140V motor applications, this VDE-compliant cable features ozone-resistant silicone rubber insulation and dual-rated voltage capacity, making it ideal for traction motors, shipboard systems, and heavy industrial equipment.
Technical Specifications
| Parameter | Specification |
|---|---|
| Standards | VDE, IEC 60245, RoHS |
| Voltage Rating | 500V (690V) · 1000V (1140V) |
| Temp Range | -60°C to +180°C (Continuous) |
| Conductor | Bare/Tinned Copper (IEC 60228 Class 5/6) |
| Insulation | Silicone Rubber |
| Flame Rating | IEC 60332-1-2 |
| Bending Radius | 6× Cable Ø |
| Color Options | Customizable (Supplier-Buyer Agreement) |
Construction & Dimensional Data
| Size (mm²) | Stranding | Cond. Ø (mm) | Insul. Thk (mm) | Max Ø (mm) | Rdc @20°C (Ω/km) | ||
|---|---|---|---|---|---|---|---|
| 500V | 1000V | 500V | 1000V | ||||
| 1.5 | 48/0.20 | 1.60 | 1.0 | 1.2 | 3.60 | 4.00 | 13.7 |
| 2.5 | 49/0.25 | 2.00 | 1.0 | 1.2 | 4.00 | 4.40 | 8.21 |
| 6 | 84/0.30 | 3.60 | 1.2 | 1.5 | 6.00 | 6.60 | 3.39 |
| 16 | 126/0.40 | 5.80 | 1.4 | 1.6 | 8.60 | 9.00 | 1.24 |
| 95 | 760/0.40 | 14.80 | 2.2 | 2.5 | 19.20 | 19.80 | 0.210 |
| 240 | 1221/0.50 | 23.00 | 2.6 | 2.8 | 28.20 | 28.60 | 0.0817 |
Construction Details
1. Conductor
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Material: Electrolytic Copper (Cu ≥99.99%)
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Options: Bare copper or tin-plated (3μm min coating)
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Stranding: Fine-wire per IEC 60228 Class 5/6
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Flexibility: Optimized lay ratio for motor lead vibration
2. Insulation
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Material: High-purity silicone rubber
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Thickness: Voltage-dependent (500V: 1.0-2.6mm · 1000V: 1.2-2.8mm)
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Thermal Stability: Maintains elasticity at -60°C
Material Properties
| Component | Key Characteristics | Test Standard |
|---|---|---|
| Silicone | Ozone resistance >1000hrs @50pphm | IEC 60811-2-1 |
| Copper | Conductivity ≥58 m/Ω·mm² (tin-plated ≥56) | IEC 60228 |
| Composite | Dielectric strength >25 kV/mm | IEC 60243 |
Application Scenarios
High-Power Motors
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H-class insulated motors (1140V)
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Traction motors for railways
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Ship propulsion systems
Critical Infrastructure
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Power plant turbine generators
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Mining conveyor drive systems
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Petrochemical pump motors
Specialized Equipment
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Electric vehicle test rigs
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Wind turbine pitch control
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Military vehicle electrification
Engineering Selection Guide
| Factor | Calculation Method | Critical Values |
|---|---|---|
| Current Rating | IEC 60512-5-51 Table A.16 | 95mm²: 230A @180°C |
| Voltage Drop | ΔU = (I × L × √3)/(κ × S × cosφ) | Max 3% @ 1140V |
| Thermal Cycling | IEC 60068-2-14 | 300 cycles (-60↔180°C) |
| Impulse Withstand | 3.5U₀ + 2.5kV (IEC 60245) | 6.25kV @ 1140V rating |
⚠️ Critical Restrictions
• Voltage Limitation: 690V max for 500V rating · 1140V max for 1000V rating
• Separation Requirement: Isolate from PVC cables in raceways
• Termination: Use silicone-compatible sealing glands
Compliance & Certifications
• Electrical Safety: VDE 0250 · IEC 60245-4
• Fire Performance: IEC 60332-1-2 · IEC 60754-1 (Halogen-free)
• Environmental: RoHS 3 · REACH SVHC-free
• Motor Compliance: F/H-class insulation systems per IEC 60085
Performance Advantages
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Voltage Flexibility: Single cable for 500V/1000V systems
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Thermal Endurance: 5,000hrs @180°C verified
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Chemical Resistance: Withstands oils, coolants, weak acids (pH≥4)
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Vibration Tolerance: >10⁷ flex cycles @ 50Hz vibration
*Note: For 180°C+ environments, derate current by 1%/°C above rating*