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High Temperature Silicone Rubber SIA / SIAF Cable

SIAF cable is a high temperature silicone rubber insulated cable designed for fixed wiring in environments where continuous heat resistance, flexibility and reliable electrical performance are required.

  • Cable types: SIA solid core and SIAF flexible core silicone rubber insulated cable
  • Temperature rating: Fixed installation from -60°C to +180°C
  • Voltage rating: SIA: 300/500V; SIAF: 300/500V up to 6mm² and 0.6/1kV from 10mm² and above
  • Conductor: Class 1 solid copper for SIA; Class 5 flexible copper for SIAF, plain or tinned
  • Insulation: Silicone rubber
  • Size range: SIA 0.5mm² to 10mm²; SIAF 0.25mm² to 300mm²
  • Minimum bending radius: Fixed installation: 4 x overall diameter
  • Applications: Power plants, processing equipment, packaging machinery, refrigeration, foundries, aircraft construction and shipbuilding


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SIAF Cable for High Temperature Fixed Wiring

SIAF cable is a silicone rubber insulated cable developed for fixed wiring in applications where sustained heat resistance and dependable electrical performance are important. The product range also includes SIA cable with a solid conductor, giving buyers a choice between solid core and flexible core constructions for different installation requirements.

Key FeaturesSIA and SIAF silicone cable cross section for heat resistant fixed wiring

  • High temperature performance: Rated for fixed installations from -60°C to +180°C, making it suitable for both cold environments and heat-exposed industrial areas.
  • Silicone rubber insulation: Provides reliable insulation performance where standard PVC cables may not be suitable because of continuous heat exposure.
  • Solid and flexible conductor options: SIA uses a Class 1 solid copper conductor, while SIAF uses a Class 5 flexible copper conductor for easier routing in confined equipment spaces.
  • Zero halogen design: Suitable for applications where halogen-free material selection is required.
  • Wide size range: SIA is available from 0.5mm² to 10mm², while SIAF covers 0.25mm² to 300mm² for control, wiring and power applications.

Technical Specifications

Product NameHigh Temperature Silicone Rubber SIA / SIAF Cable
Cable TypeSingle core silicone rubber insulated cable
StandardsEN 50525-2-41, IEC/EN 60228
Voltage Rating – SIA300/500V
Voltage Rating – SIAF0.25mm² to 6mm²: 300/500V; 10mm² and above: 0.6/1kV
Temperature RatingFixed installation: -60°C to +180°C
Minimum Bending RadiusFixed installation: 4 x overall diameter
SIA Size Range0.5mm² to 10mm²
SIAF Size Range0.25mm² to 300mm²

Cable ConstructionRed high temperature silicone cable SIAF for power plant and industrial equipment wiring

  1. SIA Conductor: Class 1 solid copper conductor, plain or tinned.
  2. SIAF Conductor: Class 5 flexible copper conductor, plain or tinned.
  3. Insulation: Silicone rubber insulation for high temperature fixed wiring.
  4. Sheath / Insulation Colours: Black, blue, brown, red, white, grey, violet, pink, orange, yellow and green/yellow.

SIA and SIAF Cable Size Options

SIA solid core silicone cable is available in common conductor sizes including 0.5mm², 0.75mm², 1mm², 1.5mm², 2.5mm², 4mm², 6mm² and 10mm². SIAF flexible silicone cable is available from small control wiring sizes such as 0.25mm² and 0.35mm² up to larger power sizes including 95mm², 120mm², 150mm², 185mm², 240mm² and 300mm².

Applications

  • Power plant wiring and heat-exposed electrical installations
  • Industrial processing machinery and production equipment
  • Packaging machinery and equipment wiring
  • Refrigeration systems and low temperature fixed installations
  • Foundries and other high temperature industrial areas
  • Aircraft construction and shipbuilding applications
  • Fixed wiring where standard PVC insulated cables are not suitable

Why Choose This Silicone Cable

For industrial buyers, the main advantage of SIA and SIAF silicone cables is stable performance in demanding temperature conditions. The choice between solid and flexible conductor constructions makes the range suitable for different wiring layouts, while the broad size range supports both light equipment wiring and larger power connections. We can support size selection, colour requirements, bulk supply and project-based quotation requests.

FAQ

What is SIAF cable used for?

SIAF cable is used for fixed wiring in high temperature environments such as power plants, processing equipment, packaging machinery, refrigeration systems, foundries, aircraft construction and shipbuilding.

What is the difference between SIA and SIAF cable?

SIA cable uses a Class 1 solid copper conductor, while SIAF cable uses a Class 5 flexible copper conductor. SIA is typically selected for solid core fixed wiring, while SIAF is preferred where more installation flexibility is required.

What temperature can this silicone cable withstand?

The cable is rated for fixed installations from -60°C to +180°C, making it suitable for applications exposed to sustained heat or low temperature conditions.

Is this cable halogen-free?

Yes. The product information identifies the cable as zero halogen, which can be important for projects requiring safer material selection and reduced corrosive gas emission.