SiHF-C-Si Silicone Control & Connection Cable | 4x1.5mm² 300/500V +180°C EN 50525-2-83
SIHF-C-SI SILICONE CONTROL CABLE: EXTREME ENVIRONMENT PERFORMANCE FOR HEAVY INDUSTRY
Our SiHF-C-Si Silicone Control Cable is engineered to deliver reliable signal and power transmission in the world's most demanding industrial environments. This premium cable features 4x1.5mm² silver-plated copper conductors with finely stranded Class 5 construction, protected by a robust full silicone design (insulation, inner sheath, and outer sheath) and a tinned copper braided shield with 85% coverage. Fully compliant with EN 50525-2-83, it is rated for 300/500V AC and continuous operation up to +180°C. Its unique construction ensures lower capacitance, high flexibility, and consistent signal transmission by eliminating noise interference, making it the definitive choice for iron and steel works, rolling mills, foundries, aircraft construction, and shipbuilding.


KEY FEATURES & TECHNICAL ADVANTAGES
✔ Extreme Thermal Endurance: Full silicone construction maintains flexibility and insulation integrity from -60°C to +180°C, perfect for environments near furnaces and molten materials.
✔ Superior Signal Integrity: Lower capacitance design combined with 85% tinned copper braid shielding ensures clean signal transmission by minimizing crosstalk and blocking external EMI/RFI noise.
✔ Exceptional Mechanical Durability: The silver-plated copper (SPC) conductors resist oxidation and high-temperature corrosion, while the silicone layers provide outstanding resistance to abrasion, oils, and chemicals.
✔ Certified Safety & Compliance: Manufactured to harmonized standard EN 50525-2-83, ensuring consistent quality and safety for European and international projects.
✔ Maximum Flexibility: Class 5 fine stranding and soft silicone compounds allow for easy installation in tight spaces and complex routing, even in cold conditions.
SPECIFICATIONS & CONSTRUCTION
| Parameter | Specification |
|---|---|
| Standard / Designation | EN 50525-2-83 (SiHF-C-Si) |
| Configuration | 4x1.5mm² |
| Conductor | Silver Plated Copper (SPC), Class 5 finely stranded (Cu or TC optional) |
| Insulation | Silicone Flexible Compound |
| Inner Sheath | Silicone Flexible Compound |
| Shielding | Tinned Copper Braid (SCR), ≥85% coverage |
| Outer Sheath | Silicone Flexible Compound |
| Voltage Rating | AC 300/500V (U0/U) |
| Temperature Range | -60°C to +180°C (continuous) |
| Key Features | Low Capacitance, High Flexibility, Noise Elimination |
YOUR CONFIGURATION, OUR EXPERTISE
We understand that every application is unique. That's why we offer extensive customization to match your exact needs:
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Conductor Types: SPC (standard), Bare Copper (Cu), or Tinned Copper (TC).
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Gauge Sizes: A wide range beyond 1.5mm².
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Shielding Options: Adjust braid coverage or explore foil/braid combinations.
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Core Configurations: Various pair and multi-core counts.
WHY CHOOSE OUR SILICONE CONTROL CABLE?
We are specialists in cables for extreme conditions. This SiHF-C-Si cable is not just a product; it's a reliability solution. By using a full silicone construction, we eliminate the weak points found in hybrid designs, ensuring uniform performance under thermal stress. The silver-plated copper conductors are chosen for superior performance in high-temperature and high-frequency scenarios common in modern industrial controls. We provide the documentation and quality assurance needed for integration into critical infrastructure, helping you reduce downtime and maintenance costs.
TYPICAL APPLICATIONS
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Heavy Industry: Control wiring in steel mills, rolling mills, foundries, cement, glass, and ceramic plants where high temperatures and particulates are present.
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Transportation Manufacturing: Aircraft construction (engine test beds, hangar wiring) and shipbuilding (engine room controls, deck machinery).
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High-Temperature Process Control: Sensors, actuators, and control circuits for ovens, kilns, and reactors.
- Request Sample & Compliance Data - Feel the flexibility and review full technical specs.
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Download Technical Specifications - Access standard documentation.
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Contact Our Engineering Team - Discuss your environment and get configuration advice.
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Get Competitive Quotation - Receive pricing for your specific gauge, shield, and conductor type.



FAQ
Q1: What does the "SiHF-C-Si" designation mean?
A: This is the European harmonized designation for a cable with: Silicone insulation, Harmonized, Fine-wired strands (Class 5), intended for Control purposes, with an overall Silicone sheath. The '-C-' indicates it meets the requirements for control cables.
Q2: Why is silver-plated copper (SPC) better than tinned copper here?
A: SPC provides superior performance in high-temperature and high-frequency environments. It has better corrosion resistance at sustained high heat, lower resistance, and improved performance for fast-rising digital control signals compared to tinned copper.
Q3: How does the full silicone design improve reliability over a silicone/PVC hybrid?
A: A full silicone design ensures consistent thermal performance throughout the cable. In a hybrid, the PVC component would become brittle and fail long before the silicone, creating a point of failure. Our design eliminates this weak link.
Q4: Is this cable suitable for flexible, moving applications like on a robotic arm?
A: While highly flexible, this cable is optimized for fixed installation or applications with occasional movement in high-heat zones. For continuous flexing in cable carriers, we recommend our dedicated high-flex silicone robotic cable series.
Q5: Can you provide cables with different colored sheaths for circuit identification?
A: Absolutely. We offer the silicone outer sheath in a range of standard colors. We can also provide custom printing (part numbers, meter marks) on the sheath for easy installation and traceability.


