3 x 2.5mm2

High Performance Flexible Silicone Rubber High Temperature Cable 300/500V 180°C

Keywords: SIHF Multi Core Series, Low Temperatures, Kilns, Boilers, Cool Stores, Tinned Copper


Click to download full series data sheet

Click to download Compliance Document

Quantity of item required. Cable is quoted in metres.


High Temperature Suitable for wiring on kilns, boilers, lighting and other high temperature applications and surfaces not exceeding 180°C.

Low Temperature Used for wiring in industrial cool stores and freezers to -60°C.


  • Halogen – Free IEC 60754

  • Tinned fine stranded copper conductor

  • High ignition or flashpoint

  • Minimal change to dielectric strength at high temperature

  • Minimal change to insulation resistance at high temperature

  • In the event of a fire the silicone forms an insulating layer of SiO2

  • UV stabilised

  • Flame retardant

  • Resistant to environmental factors such as oxidation, ozone and sunlight

  • Very good behaviour to variations of outdoor temperature

  • Heat, oil and chemical resistant (see Chemical Rating Chart)


Conductor Annealed tinned copper stranded high flexibility (Class 5).

Insulation Silicone rubber.

Sheath Silicone rubber.


Operating Temperature Range Fixed -60°C to 180°C / Flexing -40°C to 180°C.

Maximum Conductor Temperature 180°C.

Rated Voltage Uo/U 300/500v.

Max AC Operating Voltage Uo 318v.

Minimum Bending Radius Fixed 4 x cable diameter / Flexing 7.5 x cable diameter.

Sheath Colour Reddish-Brown

Standard Core Colours

3 Core – Blue, Brown, Green/Yellow.

4 Core – Brown, Black, Grey, Green/Yellow.

5 Core – Blue, Brown, Black, Grey, Green/Yellow.

Multi Core – Black Numbered, Green/Yellow.

Relevant Standards IEC 60332-1, IEC 60754-2, IEC6 0228, VDE 0472, VDE 0282, C E Directive 2006/95/EC, ROHS Compliant.


SIHF Certificate of Compliance

Product Code: SIHF3/2.5 Categories: ,

No. of Cores x Size (mm²): 3 x 2.5

Approx. Stranding (No. of wires x mm): 50/0.25

Approx. Overall Diameter (mm): 9.7

Approx. Weight (Kg/Km): 179

Nominal Amps un-enclosed protected from sun or in ventilated duct @ 150°C fixed installation (Touching or in ventilated ducts): 26

Technical Data

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