Product Overview
H05SJ-K fiberglass-braided silicone rubber cable delivers extreme thermal resilience (-60°C to +180°C) for demanding electrical heating applications. Certified to VDE 0282-3, this dual-layer protected cable combines silicone insulation with woven fiberglass for superior abrasion resistance, chemical stability, and flexibility in industrial machinery and high-heat environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Standard | VDE 0282-3 (H05SJ-K) |
| Voltage Rating | 450/750V AC |
| Temp Range | -60°C to +180°C (Continuous) |
| Conductor | Tinned Copper (IEC 60228 Class 5) |
| Insulation | Silicone Rubber |
| Braid | Fiberglass + Silicone Impregnation |
| Flame Rating | IEC 60332-1-2 |
| Outer Diameter Tol. | ±0.1mm |
| Colors | White/Blue/Red/Black/Brown/Yellow/Green-Yellow |
Construction & Dimensional Data
| Size (mm²) | Stranding | Cond. Ø (mm) | Insul. Thk (mm) | Braid Thk (mm) | OD (mm) | Rdc @20°C (Ω/km) |
|---|---|---|---|---|---|---|
| 0.50 | 20/0.18 | 0.92 | 0.70 | 0.15 | 2.62 | 40.1 |
| 0.75 | 30/0.18 | 1.13 | 0.70 | 0.15 | 2.63 | 26.7 |
| 1.00 | 40/0.18 | 1.31 | 0.70 | 0.15 | 3.01 | 20.0 |
| 1.50 | 30/0.254 | 1.60 | 0.80 | 0.15 | 3.50 | 13.7 |
| 2.50 | 50/0.254 | 2.08 | 0.85 | 0.15 | 4.08 | 7.16 |
| 4.00 | 56/0.30 | 2.62 | 0.85 | 0.15 | 4.62 | 4.70 |
Construction Details
1. Conductor
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Material: Electrolytic copper (Cu ≥99.99%)
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Plating: Tin-coated (min. 3μm thickness)
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Class: IEC 60228 Class 5 (fine-stranded)
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Flexibility: Optimized stranding for tight bends
2. Insulation
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Material: High-purity silicone rubber
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Thickness: 0.70-0.85mm (size-dependent)
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Thermal Stability: Retains elasticity at -60°C
3. Braiding
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Material: E-glass fiber + silicone saturation
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Coverage: ≥92% surface protection
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Function: Mechanical abrasion resistance + thermal barrier
Material Properties
| Component | Key Characteristics | Test Standard |
|---|---|---|
| Silicone | Ozone resistance >168hrs @100pphm | IEC 60811-2-1 |
| Fiberglass | Tensile strength ≥1,200 MPa | ISO 3341 |
| Tinned Cu | Conductivity ≥58 m/Ω·mm² | IEC 60228 |
Application Scenarios
Industrial Heating Systems
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Industrial oven internal wiring
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Plastic extrusion heaters
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Semiconductor thermal chambers
High-Temperature Equipment
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Foundry furnace sensors
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Glass manufacturing conveyors
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Food processing sterilizers
Electrical Appliances
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Commercial griddles/ovens
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Laboratory hot plates
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Sauna heating elements
Harsh Environments
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Chemical plant instrumentation
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Marine engine room wiring
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Wastewater treatment heaters
Engineering Selection Guide
| Factor | Calculation Method | Critical Values |
|---|---|---|
| Current Rating | IEC 60512-5-51 Table A.16 | 1.5mm²: 16A @180°C |
| Voltage Drop | ΔU = (I × L)/(κ × S) | Max 4% @ full load |
| Bending Radius | VDE 0298 Part 206 | Fixed: 4×Ø · Flex: 6×Ø |
| Thermal Cycling | DIN 5510 | 500 cycles (-60↔180°C) |
⚠️ Installation Requirements
• Min. Bend Radius: 6× cable OD for dynamic applications
• Chemical Exposure: Avoid strong alkalis (pH >12)
• Termination: Use ceramic/glass fiber glands above 150°C
Compliance & Certifications
• Primary Standard: VDE 0282-3
• Fire Safety: IEC 60332-1-2 (Flame retardant)
• Environmental: RoHS 3 · REACH SVHC-free
• Material Compliance:
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IEC 60811 (Silicone)
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ISO 2078 (Fiberglass)
Performance Advantages
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Chemical Resistance: Withstands acids/alkalis (pH 3-11), oils, steam
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Abrasion Protection: 3x higher abrasion resistance vs unsheathed silicone wire
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Thermal Shock: 200+ rapid cycles (180°C↔25°C) verified
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UV/Ozone Stability: 10,000+ hours outdoor exposure rating
*Standard lengths: 305m (0.5-1mm²) · 200m (1.5-4mm²). Custom colors available.*