Cable Specification Sheet IEC 60794 / DTS fire detection reference · Rev 01 · 2026-06

Fibre optic DTS heat detection cable

Name: Fibre optic DTS heat detection cable
Brand: UE Cable
SKU: fibre-optic-dts-heat-detection-cable-120-c-248-f-lszh-pe-or-stainless-steel-tube-protected-optical-cable

Ordering reference Fibre optic DTS heat detection cable

IEC 60794 / DTS fire detection reference Fibre optic DTS heat detection cable

Application

Long tunnels · Rail corridors · Power cable galleries · Infrastructure monitoring

Indicative fibre-optic loose-tube construction — not to scale

Construction

1
Optical fibresColour-coded singlemode/multimode fibres
2
Loose tubeGel-filled buffer tube
3
Strength memberCentral FRP / steel rod
4
Aramid yarnWater-blocking + aramid strength
5
SheathLSZH, PE or stainless steel tube protected optical cable

Technical parameters

Alarm temperature120 °C / 248 F

Detector typeFibre optic distributed temperature sensing cable

Sensor constructionSingle-mode optical fibre temperature sensing element

Jacket materialLSZH, PE or stainless steel tube protected optical cable

ProtectionDielectric strength member, steel tube or stainless steel braid by route

EnvironmentLong tunnels, rail corridors, power cable galleries and infrastructure monitoring

Controller interfaceDTS interrogator with programmable alarm zones

Zone length guide1 km to multi-km route by DTS unit

OD guide7.0 mm

Conductor materialSingle-mode optical fibre temperature sensing element

Cable weight94 kg/km

Bend radius10 x OD fixed guide

Routine test voltage2.5 kV a.c. 5 min

Ratings & materials

StandardIEC 60794 / DTS fire detection reference

Temperature class70 °C / 158 F, 85 °C / 185 F, 100 °C / 212 F, 120 °C / 248 F

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