1. Cable Identification and Standards
- Cable Designation: RFOU (I) TYPE S1/S5 250V
- Application: Instrumentation, communication, control, and data systems
- Environment: Offshore platforms, marine vessels, and mud-prone zones
- Design Standard: NEK TS 606
2. Cable Construction
- Conductor: Tinned stranded circular copper, IEC 60228 Class 2
- Insulation: Ethylene Propylene Rubber (EPR), cross-linked
- Pair/Triple Screen: Individual copper-backed polyester tape with tinned drain wire
- Inner Covering: Halogen-free, flame-retardant thermoset compound
- Screen/Armour: Tinned copper wire braid (TCWB)
- Outer Sheath: Mud-resistant, halogen-free compound (SHF2 or SHF MUD)
3. Electrical Characteristics
- Voltage Rating: 150/250V (Maximum voltage 300V)
- Operating Frequency: Suitable for low-frequency instrumentation and high-frequency telecom
4. Thermal Properties
- Maximum Conductor Temperature: 90°C
- Lowest Ambient Operating Temperature: -40°C
- Minimum Installation Temperature: -20°C
5. Performance and Environmental Resistance
- Flame Retardancy: IEC 60332-1-2 and IEC 60332-3-22 Category A
- Smoke Density: Low smoke emissions, IEC 61034-1/2
- Halogen Free Property: Zero halogen content, IEC 60754-1/2
- Mud Resistance: High resistance to drilling fluids and mud compounds
