Instrumentation Cables 
BS5308 Cable ESI Cable BS 6231 Cable DEF Standard Cable Italian standard

Instrumentation Cables

FR2XHOHR  

Application

For transmission of analogue and digital signals in instrument and control systems; not allowed for direct

connection to low impedance sources, e.g. public mains electricity supply.

Standard and Approval

CEI 20-11

IEC 60227

IEC 60332.1

IEC 60332.3A

IEC 60228

IEC 60754.1

Cable Construction

Conductor: annealed flexible copper class5

Insulation:R2 type PVC insulation

Colour core:(CEI unel 00725)

pair:blue-black, with black progressively numbered

Triad:blue-brown-black with black progressively numbered

Stranding: conductors twisted in pairs-triads,

pairs-triads twisted in concentric layers screen:

Individual: electrostatic screen of plastic and aluminium tape + tinned drain-wire

Overall: electrostatic screen of plastic and aluminium tape + tinned drain-wire

Outer sheath: flame retardant pvc outer sheath, RZ quality.

Technical Characteristics:

Max. rated working temperature : +70 °C

Max. rated short circuit temperature: +160 °C

Min. bend radium:10XØ (cable diameter in mm)

CONSTRUCTION PARAMETERS

300/500V


No.of cores x cross section
n x mm2
OuterØ ca.mm
±10%
Cable weight
approx.
kg/km
2x2x0.50 7.5 68
3x2x0.50 8 90
4x2x0.50 8.5 110
5x2x0.50 9.5 136
6x2x0.50 10.5 162
8x2x0.50 11.5 202
10x2x0.50 13 253
12x2x0.50 14 295
16x2x0.50 15.5 383
20x2x0.50 17.5 470
24x2x0.50 18.5 547
2x2x0.75 8.5 88
3x2x0.75 9.3 117
4x2x0.75 10 143
5x2x0.75 11.5 178
6x2x0.75 12.5 211
8x2x0.75 13.5 272
10x2x0.75 15.5 337
12x2x0.75 16 387
16x2x0.75 18.5 507
20x2x0.75 20 614
24x2x0.75 22 719
450/750V
No.of cores x cross section
n x mm2
Outer O ca.mm
±10%
Cable weight
approx.
kg/km
2x2x1 9.5 106
3x2x1 10 136
4x2x1 11 176
5x2x1 12.5 217
6x2x1 13.7 256
8x2x1 14.5 319
10x2x1 16.9 404
12x2x1 17.6 463
16x2x1 20 599
20x2x1 22 727
24x2x1 24 844
2x2x1.50 11.5 146
3x2x1.50 12.5 196
4x2x1.50 13.5 247
5x2x1.50 15 303
6x2x1.50 16.5 360
8x2x1.50 18 455
10x2x1.50 20.5 555
12x2x1.50 21 639
16x2x1.50 24 821
20x2x1.50 26.5 1010
24x2x1.50 29 1193
2x3x0.75 12.4 170
4x3x0.75 14.4 270
6x3x0.75 16.9 370
8x3x0.75 19.8 500
Other constructions and sizes are available on request.