U-8RW4FRT (C)

Fire Resistant, Collective Screened
Fire Resistant, Halogen Free, Flame Retardant, Low Smoke

Construction

Conductor : Tinned stranded copper in accordance with IEC 60228 CL2, CL5
Mica Tape : Helically applied fire resistant tape
Insulation : Ethylene Propylene Rubber (EPR), GP4 in accordance with BS 7655-1.2
Tape : Polyester tape
Wire : Tinned copper drain wire
Tape : Metal coated polyester tape
Outer Jacket : Halogen free extruded compound, SW4 in accordance with BS 7655-2.6

Application Standards
Max. Operating Temperature : 90 °C
Rated Voltage : 250 V
Design Guidelines : BS 6883
Halogen Free Properties : IEC 60754-1 & IEC 60754-2
Low Smoke Emission Flame : IEC 61034-1 & IEC 61034-2
Low Smoke Emission Flame Retardancy : IEC 60332-1
Flame Propagation : IEC 60332-3-22 Cat. A
Fire Endurance : IEC 60331-21
Technical Data
Item Type UKOOA Cross- section (mm²) Weight (approx.) ( kg/km ) Outer Diameter (approx.) ( mm ) MCDR at 20 °C ( Ω/km ) Nominal Inductive Reactance Ω/km (50 Hz) Nominal Impedance Ω/km (50 Hz) Rated Voltage (V) MCCC CT at 90 °C AT at 45 °C (A)
1. U-8RW4FRT (C) 3 x 2 x 0,75 273 14,4 24,8 0,74 92 30 250 8
2. 7 x 2 x 0,75 563 19,3 24,8 0,74 92 30 7
3. 12 x 2 x 0,75 938 26 24,8 0,74 92 30 7
4. 20 x 2 x 0,75 1505 32,6 24,8 0,74 92 30 5
5. 27 x 2 x 0,75 1989 37,4 24,8 0,74 92 30 5
6. 37 x 2 x 0,75 2678 42,3 24,8 0,74 92 30 5
7. 3 x 2 x 1 308 15 18,2 0,75 107 41 10
8. 7 x 2 x 1 638 20,2 18,2 0,75 107 41 9
9. 12 x 2 x 1 1063 27,2 18,2 0,75 107 41 9
10. 20 x 2 x 1 1709 34,1 18,2 0,75 107 41 6
11. 27 x 2 x 1 2282 39,4 18,2 0,75 107 41 6
12. 37 x 2 x 1 3073 44,6 18,2 0,75 107 41 6
13. 3 x 3 x 0,75 326 16,3 24,8 0,74 92 30 7
14. 7 x 3 x 0,75 658 21,7 24,8 0,74 92 30 7
15. 12 x 3 x 0,75 1113 29,5 24,8 0,74 92 30 5
16. 3 x 3 x 1 369 17 18,2 0,75 107 41 9
17. 7 x 3 x 1 763 22,9 18,2 0,75 107 41 9
18. 12 x 3 x 1 1271 30,9 18,2 0,75 107 41 6

MCCC: maximum Current Carrrying Capacity / CT: Conductor Temperature / AT: Ambient Temparature / MCDR: Max. Conductor Dc Resistance

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