Cable Specification Sheet BS 7846 · Rev 01 · 2026-06

BS 7846 Fire Resistant Instrumentation · 20 pair 1.0 mm²

Name: BS 7846 Fire Resistant Instrumentation · 20 pair 1.0 mm²
Brand: UE Cable
SKU: bs-7846-fire-resistant-instrumentation-300-500-v-20-pair-1-0-mm2

Ordering reference BS 7846 Fire Resistant Instrumentation · 20 pair 1.0 mm²

BS 7846 BS 7846 Fire Resistant Instrumentation

Application

Fire resistant instrumentation · Emergency control circuits · Safety system signals · Process safety

Indicative 12-pair construction — copper conductor · screened, not to scale

Construction

1
Conductor (per core)Copper conductor · 7 × Ø0.43 mm · IEC 60228 cl.2
2
Pair insulationFire resistant LSZH insulation
3
FillerBedding / filler
4
Overall screen (OS)Al/polyester foil + drain
5
SheathLSZH

Technical parameters

Voltage class300/500 V

Core layout20 pair

Conductor size1.0 mm²

Fire performanceIEC 60331 / BS 6387 circuit integrity

Protection / screenCollective metallic screen and drain wire

OD guide46 mm

Conductor materialCopper conductor

Operating temperature−15 °C to +90 °C (fire-rated)

Cable weight0.42 kg/m

Bend radius6 x OD during installation

Outer sheathLSZH

Max DC resistance at 20 °C18.10 Ω/km

Mutual capacitance (nom.)≈ 120 pF/m core/core · 200 pF/m core/screen (nominal)

Routine test voltage2.0 kV a.c. 5 min

Ratings & materials

StandardBS 7846

Voltage class300/500 V

UE Cable · China sales@uecable.com

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