
Our range of Trace Heating Cables — including Self-Regulating, Constant Wattage, and Mineral Insulated (MI) types — is designed for safe and hazardous area applications. Certified to ATEX and IECEx standards, these solutions provide dependable frost protection, temperature maintenance, and process heating across a wide range of industries.









Heatfast HF1200 series of self regulating trace heating cables are ideal for frost protection of pipework exposed to low ambient temperatures. The HF1200 series is derived from the properties of the conductive core material.

Eltherm ELSR-H+ is a self-regulating heat tracing cables provide process temperature maintenance and frost protection to pipework, instrument lines, tanks and drums up to 210° Celsius – with IECEx and ATEX Certification.

Eltherm ELSR-SH high temperature self-regulating trace heating cables is designed for temperature maintenance in industrial processes and applications in hazardous areas – and is suitable for use up to 250 °C .
Why Choose Thorne & Derrick?
Fully ATEX & IECEx compliant for Zone 1 & 2 and Zone 21 & 22 Hazardous Areas.
We are proud stockists & suppliers for 50+ market-leading manufacturers around the world.
Trusted UK-based leaders in the supply of Industrial & Hazardous Area solutions since 1985.
Expert support from consultation to specification, helping reduce costs, optimise performance, and improve safety.
Our specialists provide complete design support, heat loss calculations, technical advice, quotations, and fast delivery for UK and export projects.
With decades of experience, we deliver technically advanced, reliable, and compliant heating equipment to meeting the demands of critical industries, including Oil & Gas, Petrochemical, Water, Power Generation, Pharmaceutical and Chemical sectors.






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Drum Industrial Estate
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