250V BS 7917 Fire Resistant Instrumentation & Control Cable

250V BS 7917 Fire Resistant Instrumentation & Control Cable application

Instrumenttation cables are used extensively by the petrochemical, pulp and paper and other process industries, to miniize noize and signal interference to deliver clean signal in harsh environments and general manufacturing operations.

This 250V BS 7917 Fire Resistant Instrumentation & Control Cable is mainly used in data processing and process control i.e. instrument panel, general transmission of electrical signals for a remote control, suitable for use in instrumentation, lighting and control circuits where fire integrity is essential.

250V BS 7917 Fire Resistant Instrumentation & Control Cable instruction

1. Conductor: Tinned copper wire stranded circular cl. 2 BS 6360/IEC 60228.
2. Insulation: Mica tape + HF-EPR GP4 according to BS 7655 1.2.
3. Lay-up: Pairs, triples.
4. Collective Screen: Aluminium/polyester tape + drain wire tinned copper.
5. Sheath: Halogen free thermosetting compound SW4 according to BS 7655 2.6 or reduced halogen thermosetting compound SW2 according to BS 7655 2.6.

250V BS 7917 Fire Resistant Instrumentation & Control Cable construction.jpg

250V BS 7917 Fire Resistant Instrumentation & Control Cable standards

BS 7917
IEC 60331-31 Fire resistant
IEC 60332-3A Flame retardant
IEC 60754-1; IEC 60754-2 Corrosivity
IEC 61034-2 Smoke density
Cold bend and impact (-40°C) (on request)
CSA C22.2 No. 38-95 (on request)

250V BS 7917 Fire Resistant Instrumentation & Control Cable features

1. Meets BS 7917 standards for 250V
2. Fire resistant
3. Mica tape + HF-EPR GP4 insulated
4. Tinned copper wire
5. Collectively screened

250V BS 7917 Fire Resistant Instrumentation & Control Cable specification

Fire resistant	IEC 60331-31
Flame retardant	IEC 60332-3A
Smoke density	IEC 61034-2
Conductor	Tinned copper wire stranded circular cl. 2 BS 6360/IEC 60228
Insulation	Mica tape + HF-EPR GP4 according to BS 7655 1.2
Minimum Internal Bending Radius	8×OD
Temperature Range	-40℃~90℃