Bus Cables

Bus Cables

Foundation Fieldbus ISA/SP-50 Profibus PA Type A


FoundationTM Field bus is used in intrinsically area,especially in the field of Process Automation.A single pair 18AWG Bi-Directional digital Fieldbus cable for type A applications (31.25 KBits/sec) available in PVC, LSHF and SWA versions. Anti-termite and anti-vermin foundation fieldbus cable is also available.


Type Foundation Fieldbus
ISA/SP-50 Profibus PA Type A
Inner Conductor Tinned copper conductors 18(7)AWG 0.88mm²
Conductor Insulation Polyolefin/Foamed PE with skin PE
Stranding Element -
Shielding Aluminium /polyester foil
Drain Wire (20AWG) tinned copper
Outer Jacket Material PVC
Core Identification White & Black
Sheath Colour Orange

Electrical Data:

Characteristic Impedance@31.25KHz 100 Ω±20 Ω
Conductor resistance 24 Ohm/km @ 20°C
Working Voltage Max: 300V
Test Voltage 1.5KV
Nominal attenuation
39 kHz
< 3 dB/km

Technical Data:

Weight: approximately 85 kg/km/ 246 kg/km(SWA)
Min. Bending Radius (Laying) 15 x OD mm
Operating Temp.Range, min. - 25 °C
Operating Temp.Range, max. +80 °C