Cable Specifications


 

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  • Tri-rated
  • Double Insulated Tri-rate
  • BU BR CR CU
  • BK CK
  • 2491X
  • 6491X

 

Tri-rated Switchgear & Control Gear Wiring 105°C to CSA Type TEW, UL Type AWM Style 1015
(Incl. 1028, 1283 and 1284) and BS 6231.
PVC Insulated Switchgear flexible 600V ac/1000V dc

Nominal Cross
Sectional Area of Conductor
Nominal No. & Diameter
of Wires
Radial Thickness
of Insulation
Nominal Overall Diameter Maximum AMPS Approx AWG
mm² mm mm mm
0.50 16/0.2 0.8 2.63 11 22
0.75 24/0.2 0.8 2.83 14 20
1.00 32/0.2 0.8 3.00 17 18
1.50 30/0.25 0.8 3.30 21 16
2.50 50/0.25 0.8 3.70 30 14
4.00 56/0.3 0.8 4.40 41 12
6.00 84/0.3 0.8 4.90 53 10
10.00 80/0.4 1.14 6.50 75 8
16.00 126/0.4 1.55 9.05 100 6
25.00 196/0.4 1.55 10.55 136 4
35.00 276/0.4 1.55 11.90 167 2
50.00 396/0.4 2.05 14.75 204 1
70.00 360/0.5 2.05 16.55 259 2/0
95.00 475/0.5 2.05 18.75 321 3/0

Construction:

Plain annealed copper conductor
PVC Insulation: Heat resisting 105°C
PVC Sheath Heat resisting 90°C

Current Ratings based on

1.Single conductor in free air
2.Ambient temperature of 35°C
3.Conductor temperature rise of 35°C

Derating Factors for cabling in Groups
No of cores (Circuits): 2 3 4 5 6 8 10
Factor: 0.8 0.7 0.65 0.6 0.56 0.53 0.5

Double Insulated Tri-rated Flexible Cable 600V ac/1000V dc

Nominal Cross Sectional Area of Conductor Nominal No. & Diameter
of Wires
Core Radial Thickness of Insulation Sheath Radial Thickness of Insulation Nominal Overall Diameter Approx AWG
mm² mm mm mm mm
2.50 50/0.25 0.8 0.8 5.45 14
4.00 56/0.3 0.8 0.9 6.05 12
6.00 84/0.3 0.8 0.9 6.90 10
10.00 80/0.4 1.14 0.9 8.55 8
16.00 126/0.4 1.55 1.0 11.30 6
25.00 196/0.4 1.55 1.1 13.00 4
35.00 276/0.4 1.55 1.1 14.35 2
50.00 396/0.4 2.05 1.1 17.45 1

 

Construction:

Plain annealed copper conductor
PVC Insulation: Heat resisting 105°C
PVC Sheath Heat resisting 90°C

BS 6231: 1998 Type BU, BR, and CU, CR PVC Insulated Switchgear Rigid 600V ac/1000V dc

Nominal Cross Sectional Area of Conductor Nominal No. & Diameter
of Wires
Radial Thickness of Insulation Nominal Overall Diameter Maximum AMPS STANDARD INSULATION Maximum AMPS HEAT RESISTING
mm² mm mm mm
1.00 1/1.13 0.8 2.87 15 16
1.50 1/1.38 0.8 3.13 18 20
2.50 1/1.78 0.8 3.55 26 31
1.50 7/0.53 0.8 3.35 18
2.50 7/0.67 0.8 3.79 26 31
4.00 7/0.85 0.8 4.36 33 39
6.00 7/1.04 0.8 4.96 44 52
10.00 7/1.35 1.0 6.35 59 70
16.00 7/1.70 1.0 7.46 80 91
25.00 7/2.14 1.2 9.26 107 134
35.00 19/1.53 1.2 10.55 129 150
50.00 19/1.78 1.4 12.29 165 185
70.00 19/2.14 1.4 14.18 205 239

Construction:

Plain annealed copper conductor
PVC Insulation: 70°C

Construction:

Plain annealed copper conductor
PVC Insulation: 90°C

BS 6231: 1998 Type BK and CK PVC Insulated Switchgear Flexible 600V ac/1000V dc

Nominal Cross Sectional Area of Conductor Nominal No. & Diameter
of Wires
Radial Thickness of Insulation Nominal Overall Diameter Maximum AMPS (BK) Maximum AMPS (CK)
mm² mm mm mm
0.50 16/0.2 0.8 2.56 5 8
0.75 24/0.2 0.8 2.79 7 10
1.00 32/0.2 0.8 2.96 15 16
1.50 30/0.25 0.8 3.27 18 20
2.50 50/0.25 0.8 3.69 26 31
4.00 56/0.3 0.8 4.29 33 39
6.00 84/0.3 0.8 4.95 44 52
10.00 80/0.4 1.0 6.52 59 70
16.00 126/0.4 1.0 8.09 80 91
25.00 196/0.4 1.2 9.98 107 134
35.00 276/0.4 1.2 11.45 129 150
50.00 396/0.4 1.4 13.76 165 185
70.00 360/0.5 1.4 15.96 205 237
95.00 475/0.5 1.6 18.21 259 290

Construction:

Plain annealed copper conductor
PVC Insulation: 70°C

Construction:

Plain annealed copper conductor
PVC Insulation: 90°C

2491X - PVC Insulated (Non Sheathed) Flexible Single

Nominal Cross Sectional Area of Conductor Nominal No. & Diameter of Wires Radial Thickness of Insulation Nominal Overall Diameter Maximum AMPS Standard Insulation
mm² mm mm mm
0.50 16/0.20 0.6 2.17 3
0.75 24/0.20 0.6 2.36 6
1.00 32/0.20 0.6 2.50 10
1.50 30/0.25 0.7 3.03 15
2.50 50/0.25 0.8 3.70 20
4.00 56/0.30 0.8 4.32 25

Construction:

Class 5 Plain annealed copper conductor.
PVC Insulation: 70°C.

Standard 70°C:

SIZE 0.5 to 1mm². BS 6004:2000. Table 5 300V
ac/750V dc. Harmonised Type HO5V-K

SIZE 1.5mm² upwards:

BS 6004:2000. Table 4 450V ac/750V dc.
Harmonised Type HO7V-K

Construction:

Class 5 Plain annealed copper conductor.
PVC Insulation: 90°C

Standard 90°C:

SIZE 0.5 to 1mm². BS 6004:2000. Table 12 300V
ac/500V dc. Harmonised Type HO5V2-K

SIZE 1.5mm² upwards:

BS 6004:2000. Table 11b 450V ac/750V dc.
Harmonised Type HO7V2-K

6491X - PVC Insulated (Non Sheathed) Conduit Wiring Cables

Nominal Cross Sectional Area of Conductor Nominal No. & Diameter of Wires Radial Thickness of Insulation Nominal Overall Diameter Maximum AMPS STANDARD INSULATION Maximum AMPS HEAT RESISTING
mm² mm mm mm
0.50 1/0.80 0.6 2.10
0.75 1/1.00 0.6 2.31
1.00 1/1.13 0.6 2.45 14 15
1.50 1/1.38 0.7 2.92 17 19
2.50 1/1.78 0.8 3.55 24 29
1.50 7/0.53 0.7 3.15 17 19
2.50 7/0.67 0.8 3.79 24 29
4.00 7/0.85 0.8 4.36 32 37
6.00 7/1.04 0.8 4.96 41 48
10.00 7/1.35 1 6.35 55 67
16.00 7/1.70 1 7.46 74 81
25.00 7/2.14 1.2 9.26 97 105
35.00 19/1.53 1.2 10.55 119 130
50.00 19/1.78 1.4 12.29 145
70.00 19/2.14 1.4 14.48 185

Construction:

Class 1 or 2 Plain annealed copper conductor.
PVC Insulation: 70°C

Standard 70°C:

SIZE 0.5 to 1mm² SOLID:
BS 6004:2000.
Table 5 300V ac/500V dc.
Harmonised Type HO5V-U

SIZE 1.5mm² to 2mm² SOLID:
BS 6004:2000.
Table 4a 450V ac/750V dc.
Harmonised Type HO7V-U

SIZE 1.5mm² to 70mm² STRANDED:
BS 6004:2000.
Table 4a 450V ac/750V dc.
Harmonised Type HO7V-R

Construction:

Class 1 or 2 Plain annealed copper conductor.
PVC Insulation: 90°C

Standard 90°C:

SIZE 0.5 to 1mm² SOLID:
BS 6004:2000.
Table 12 300V ac/500V dc.
Harmonised Type HO5V2-U

SIZE 1.5mm² to 2.5mm² SOLID:
BS 6004:2000.
Table 11a 450V ac/750V dc.
Harmonised Type HO7V2-U

SIZE 1.5mm² to 35mm² STRANDED:
BS 6004:2000.
Table 11A 450V ac/750V dc.
Harmonised Type HO7V2-R