20 PAIR 0.5mm²

Firstronic Intrinsically Safe SWA Multipair Overall

& Individually Paired Foil Screened SPVC Tinned

Instrumentation Cables 110V RMS 90°C


Click to download full series data sheet

Click to download Compliance Document

Quantity of item required. Cable is quoted in metres.


Hazardous Areas This steel wire armour cable is suitable for use for instrumentation in petrol oil and gas industries, mine sites and other harsh environments, when wiring of intrinsically safe circuits are specified.

Signal and Controls Power control or signal/instrumentation cables on machines, conveying equipment or similar industrial applications.

Marine Tinned copper conductors for use in marine applications.


  • Steel wire armoured for hazardous conditions

  • Extremely pliable PVC sheath

  • UV stabilised

  • Flame retardant

  • Reduced flame propagation

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


Conductor Annealed tinned copper stranded (Class 2).

Insulation Special SPVC V-90 (available in LSHF on request).

Filler Non-hydroscopic polypropylene filler.

Screening Collective shield of aluminium/polyester foil complete with tinned copper drain wire.

Bedding Flame retardant 5V-90 PVC extruded non hydroscopic.

Armour Steel wire armour.

Sheath Special SPVC 5V-90 (available in LSHF on request).


Operating Temperature Range Fixed -20°C to 90°C.

Maximum Conductor Temperature 90°C.

Rated Voltage 110VAC / 150VDC.

Minimum Bending Radius 10 x cable diameter.

Sheath Colour Intrinsically safe blue.

Standard Core Colours Each pair – 1 x White and 1 x Black conductor, with numbered cores.

Relevant Standards AS/NZS 1125, AS/NZS 2381, AS/NZS 3808, IEC 60332-1-2, IEC 60079.14, IEC 60332-3-22, ROHS Compliant.


FT50/55 IS Certificate of Compliance

Product Code: FT5020ESCS SWAIS Categories: ,

No. of Cores x Size (mm²): 20 PAIR 0.5

Nearest AWG: 20

Approx. Stranding (No. of wires x mm²): 7/0.30

Overall Diameter over Bedding (mm): 22.6

Overall Diameter over Armour (mm): 25.8

Approx. Overall Diameter (mm): 29.2

Approx. Weight (Kg/Km): 1304

Gland Size: GMCW32

Technical Data


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