Tri-rated Cable to BS6231

Application and Description

Tri-rated Cable panel wiring is a high temperature, flame retardant cable designed for use in the switch control, relay and instrumentation panels of power switchgear and for purposes such as internal connectors in rectifier equipment, motor starters and controllers. Tri-rated Cable is sometimes referred to as BS6231 Cable or Panel Wire.

Cable Construction

Tri-rated Cable to BS6231 Tri-rated Cable to BS6231
Fine bare copper strands
Stranding to BS 6360 Class 5 or IEC 60228 Class 5
Special heat resistant PVC core insulation

Core Identification

Black, Blue, Brown, Red, White, Yellow, Grey, Violet, Pink, Green/Yellow, Other colours are available on request

Technical Characteristics

Working voltage 600/1000v
Minimum bending radius 6xOverall diameter
Operating temperature 0 oC to +90 oC (105°C for 15,000 hours)
Insulation resistance 20 MΩxkm
Flame retardant IEC 60332.1

Cable Parameter

AWG (No of Strands/Strand Diameter) No. of Cores x Nominal Cross Sectional Area Nominal Thickness of Insulation Nominal Overall Diameter Nominal Weight
#xmm^2 mm mm kg/km
20(16/32) 1x0.5 0.80 2.50 12
18(24/32) 1x0.75 0.80 2.70 15
17(32/32) 1x1 0.80 2.95 18
16(30/30) 1x1.5 0.80 3.20 23
14(50/30) 1x2.5 0.80 3.65 34
12(56/28) 1x4 0.80 4.20 48
10(84/28) 1x6 0.80 4.70 67
8(80/26) 1x10 1.14 6.50 119
6(128/26) 1x16 1.52 8.00 187
4(200/26) 1x25 1.52 9.40 291
2(280/26) 1x35 1.52 10.60 406
1(400/26) 1x50 2.02 12.90 580
2/0(356/24) 1x70 2.02 14.60 780
3/0(485/24) 1x95 2.02 16.10 1055
4/0(614/24) 1x120 2.02 17.90 1175
300 MCM (765/24) 1x150 2.41 20.20 1425
350 MCM (944/24) 1x185 2.41 22.85 1735
500MCM(1225/24) 1x240 2.41 24.40 2310

*Cables above 120mm2 in size are referred to as Bi-rated since the CSA standard applies only to sizes up to and including 120mm^2

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