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

Instrumentation Cables

REXOHR

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 60502-1

IEC 60332.1

IEC 60228

Cable Construction

annealed copper wires acc. to class 2 of BS 6360

Insulation: PE

Colour core:(CEI unel 00725)

pair:blue-black, with black progressively numbered

Triad:blue-brown-black with black progressively numbered Stranding:

cores twisted in pairs-triads.

pairs-triads twisted in 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: +110 °C

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

CONSTRUCTION PARAMETERS PAIRS

No.of cores x cross section
n x mm2		 OuterØ ca.mm
±10%		 Cable weight
approx.
kg/km
1x2x0.50 7 61
2x2x0.50 8 82
5x2x0.50 13 206
10x2x0.50 17 340
20x2x0.50 22.3 569
1x2x0.75 7.5 75
2x2x0.75 8.3 97
5x2x0.75 14.3 253
10x2x0.75 18.7 447
20x2x0.75 24.5 918
1x2x1 7.5 85
2x2x1 8.5 115
5x2x1 14 291
10x2x1 18.5 495
20x2x1 24.5 950
1x2x1.5 8.3 98
2x2x1.5 10 156
5x2x1.5 16.5 359
10x2x1.5 21.5 670
20x2x1.5 28.5 1231
TRIADS:
No.of cores x cross section
n x mm2		 Outer O ca.mm
±10%		 Cable weight
approx.
kg/km
1x3x0.50 7.3 68
1x3x0.75 7.7 80
1x3x1 7.7 104
1x3x1.5 8.9 120

Other constructions and sizes are available on request.