Product Overview
H05S-K/UL3135 silicone rubber insulated wire delivers extreme thermal resilience (-60°C to +180°C) for industrial control systems. Certified to VDE 0282-3 and UL 3135 standards, this flexible tinned copper cable maintains electrical integrity in high-heat, wet, and oily environments. Ideal for control cabinets, motor leads, and instrumentation wiring.
Technical Specifications
| Parameter | H05S-K (VDE) | UL3135 (UL) |
|---|---|---|
| Voltage Rating | 450/750V AC | 300V AC |
| Temp Range | -60°C to +180°C | -60°C to +180°C |
| Conductor | Tinned Copper (Class 5) | Tinned Copper |
| Insulation | Silicone Rubber | Silicone Rubber |
| Flame Rating | VDE 0482-332-1-2 | UL VW-1 |
| Bending Radius | 4×Ø (Fixed) | 4×Ø (Fixed) |
| Tolerance | ±0.1mm OD | ±0.1mm OD |
Conductor Specifications
| Size (mm²) | Stranding (No./mm) | Ø (mm) | Max Ω/km | Insul. Thick (mm) | OD (mm) |
|---|---|---|---|---|---|
| 0.50 | 20/0.18 | 0.92 | 40.1 | 0.80 | 2.52 |
| 0.75 | 30/0.18 | 1.13 | 26.7 | 0.80 | 2.73 |
| 1.00 | 40/0.18 | 1.31 | 20.0 | 0.80 | 2.91 |
| 1.50 | 30/0.254 | 1.60 | 13.7 | 0.90 | 3.40 |
| 2.50 | 50/0.254 | 2.08 | 7.16 | 1.00 | 4.08 |
Construction Details
1. Conductor
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Material: 99.99% electrolytic copper
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Finish: Tin-plated corrosion protection
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Class: IEC 60228/VDE 0295 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: 0.8-1.0mm (size-dependent)
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Marking: Laser-printed per VDE/UL standards
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Colors: Black, Brown, Red, Orange, Yellow, Green, Blue, Gray, White, Green-Yellow
Material Properties
| Component | Key Characteristics |
|---|---|
| Silicone | Maintains flexibility @180°C, UL94 V-0 rated |
| Tinned Copper | Oxidation resistance, solderability |
| Composite | Oil/water resistance (IP54 equivalent) |
Application Scenarios
Industrial Control Systems
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Motor control center (MCC) wiring
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PLC cabinet internal connections
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VFD-to-motor lead wires
High-Temperature Environments
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Transformer and generator leads
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Industrial oven internal wiring
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Welding equipment cables
Precision Instrumentation
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Test/measurement equipment
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Laboratory analyzers
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Medical device wiring
Critical Infrastructure
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Power plant control panels
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Petrochemical sensor lines
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Elevator control systems
Engineering Selection Guide
| Factor | Calculation Method | Critical Values |
|---|---|---|
| Current Rating | IEC 60512-5-51 Table A.16 | 0.75mm²: 10A @180°C ambient |
| Voltage Drop | ΔU = (I × L)/(κ × S) | Max 3% @ full load |
| Bending Life | DIN VDE 0482 Part 213 | >15,000 cycles @ 4×Ø |
| Thermal Cycling | UL 2556 Section 9.2 | 500 cycles @ -60°C↔180°C |
⚠️ Installation Restrictions
• Minimum install temp: -15°C
• Avoid contact with sharp edges
• Separate from PVC cables in raceways
Compliance & Certifications
Primary Standards:
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VDE 0282-3 (H05S-K)
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UL 3135
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IEC 60228 Class 5
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RoHS 3/REACH
Certification Marks:
VDE ● UL ● CE ● UKCA ● TÜV