250V RFOU(I)

In Stock-
SKU:
PRODUCT-71
3.70588
Category:NEK606 - Tags:
Description:
Application
  • Instrument circuit upto 250V, instrument safe systems.
  • Fixed installation for instrument, communication, control and alarm system in both explosion risk and safe areas, general purposes.
  • Maximum operating conductor temperature 90 °C
 
Construction Details
1) Conductor : Circular tinned stranded copper wires as per IEC 60228 Class 2
2) Insulation : Halogen-free Ethylene propylene rubber (HF-EPR) as per IEC 60092-351
3) Pair / triple twisting : Two / three insulated cores twisted together with suitable lay length
4) Individual screening : Wrapped by copper or aluminium backed polyester tape with tinned copper drain wire
5) Core assembly : Screened pairs / triples are laid up with non-hygroscopic fillers and the binder tape may be applicable
6) Bedding : Halogen-free compound (inner covering)
7) Armour : Copper wire braid as per IEC 60092-353
8) Outer Sheath
-       Halogen-free thermoset compound as per IEC 60092-359, SHF2
        RFCU = with galvanized steel wire braid
-          Code-S1 : Halogen-free thermosetting compound as per IEC 60092-359, SHF2
-          Code-S1/S5 : Halogen-free & Mud resistance thermosetting compound as per IEC 60092-359, SHF Mud
 
Standards Applied
·         Design guideline : IEC 60092-3/ 353 / 375
·      Material properties : IEC 60092-351 (Insulation, HF-EPR)
                                           IEC 60092-359 (Sheath, SHF2)
  • Flame retardant : IEC 60332-3-22, Cate. ‘A’
  • Halogen free properties : IEC 60754-1
  • Low Smoke properties : IEC 61034-1/2
  • Cold properties : CSA C22.2 No. 03
  • Sunlight resistance : UL 1581
  • Mud resistance : NEK 606 (2004)