


TEBAOFLEX BS 6883 25mm²/3C 6.6kV Armoured Offshore Submersible Cable
TEBAOFLEX BS 6883 EPR/SW4/GSWB/PUR is a medium voltage elastomeric insulated armoured cable, specifically engineered for fixed wiring in ships, mobile offshore units, and submersible water pump applications up to 50 meters underwater depth–. Rated at 6.6/6.6kV, this cable features Class 5 tinned annealed copper conductors, EPR insulation (Type 3GI3), SW4 inner sheath, galvanized steel wire braid (GSWB) armour, and a durable polyurethane (PUR) outer sheath. Compliant with BS 6883 and IEC 60332-3A flame retardant standards, TEBAOFLEX BS 6883 cable delivers reliable power transmission for offshore drilling rigs, oil platforms, and submersible pumping systems in the most demanding marine environments.
TEBAOFLEX BS 6883 EPR/SW4/GSWB/PUR 25mm²/3C 6.6/6.6kV – Medium Voltage Offshore & Submersible Pump Armoured Cable

Product Overview
TEBAOFLEX BS 6883 EPR/SW4/GSWB/PUR is a medium voltage elastomeric insulated armoured cable, specifically engineered for fixed wiring in ships, mobile offshore units, and demanding submersible water pump applications. Designed for installation underwater up to 50 meters depth, this cable provides stable, reliable power supply for pump maintenance and operation in the harshest marine environments.
BS 6883 is the British (and also an international) industry standard for the Offshore Oil and Gas, Ship Building and Marine Industries in the UKCS[reference:3]. TEBAOFLEX cables are certified by Lloyd’s Register and DNV in accordance with ISO 9001 and 14001[reference:4], ensuring the highest quality and safety standards for critical offshore and marine installations.
Standards & Certifications
| Standard/Certification | Description |
|---|---|
| BS 6883 | British Standard for elastomer insulated cables for fixed wiring in ships and offshore units[reference:5] |
| IEC 60332-3A | Flame retardant standard for cables[reference:6] |
| IEC 60754-1 / IEC 60754-2 | Corrosivity of combustion gases[reference:7] |
| IEC 61034-2 | Smoke density measurement[reference:8] |
| BS 6360 / IEC 60228 | Conductor standard for Class 2 or Class 5 tinned copper[reference:9] |
| BS 7655 | Insulation and sheathing compound specification[reference:10] |
| Lloyd’s Register | Type approval for marine and offshore applications[reference:11] |
| CSA C22.2 No. 38-95 | On request[reference:12] |
| Cold bend and impact (-40°C) | On request[reference:13] |
Cable Construction
| Component | Specification |
|---|---|
| Brand | TEBAOFLEX CABLE |
| Type Designation | BS 6883 EPR/SW4/GSWB/PUR 25mm²/3C 6.6/6.6kV |
| Conductor | Annealed flexible stranded tinned copper, Class 5, compliant with BS 6360 / IEC 60228[reference:14] |
| Conductor Screen | Semiconducting layer or tape[reference:15] |
| Insulation | Ethylene Propylene Rubber (EPR) Type 3GI3 according to BS 7655[reference:16] |
| Insulation Screen | Semiconducting layer or tape + tinned copper tape |
| Filler | Rubber filler |
| Tape | Tape wrapping over the assembly |
| Inner Sheath | Halogen free thermosetting compound SW4 according to BS 7655 2.6[reference:17] |
| Armour | Galvanized steel wire braid (GSWB) ≥82% coverage[reference:18] |
| Outer Sheath | Polyurethane (PUR) – abrasion resistant, oil resistant, waterproof[reference:19] |
| Sheath Colour | Black (other colours available upon request) |
Technical Specifications
| Parameter | Value |
|---|---|
| Nominal Voltage (U₀/U) | 6.6/6.6 kV AC |
| Maximum Permissible Operating Voltage (AC conductor/earth) | 700 V |
| Maximum Permissible Operating Voltage (AC conductor/conductor) | 1200 V |
| Maximum Permissible Operating Voltage (DC conductor/earth) | 900 V |
| Maximum Permissible Operating Voltage (DC conductor/conductor) | 1800 V |
| Test Voltage (core/core AC) | 3500 V[reference:20] |
| Operating Temperature Range | -40°C to +90°C[reference:21] |
| Short Circuit Temperature | 200°C (max. 5 sec) |
| Permanent Tensile Load | max. 15 N/mm² |
| Minimum Internal Bending Radius (Single Core) | 15 × Overall Diameter |
| Minimum Internal Bending Radius (Three Core) | 20 × Overall Diameter |
| Flame Retardance | IEC 60332-1-2 / IEC 60332-3A[reference:22] |
| Oil Resistance | DIN VDE 0473-811-404 / DIN EN 60811-404 / IEC 60811-404 |
| Maximum Immersion Depth | 50 meters (fresh water) |
Core Identification
| Core Count | Identification |
|---|---|
| 3-core (with earth) | Per BS 6883 standard colour code |
| Single-core | Natural colour of the compound[reference:23] |
| Multi-core (5 cores and above) | White insulation with black printed numerals[reference:24] |
Key Features & Advantages
- Submersible Design: Waterproof and pressure-resistant, suitable for underwater installation up to 50 meters depth, providing stable power supply for submersible pump maintenance and operation.
- Medium Voltage Rating: Rated at 6.6/6.6kV, ideal for high-power submersible pumps and offshore equipment requiring medium voltage power transmission[reference:25].
- High Flexibility: Class 5 tinned copper conductors ensure excellent flexibility, resistant to bending and dragging during installation and operation.
- Superior Mechanical Protection: Galvanized steel wire braid (GSWB) armour provides outstanding mechanical protection against abrasion, impact, and crushing[reference:26].
- Chemical & Environmental Resistance: PUR outer sheath offers exceptional resistance to oil, ozone, solvents, petrol, acids, chemicals, and greases.
- Flame Retardant: Complies with IEC 60332-3A flame retardance standards, critical for safety in offshore and marine environments[reference:27].
- Low Smoke Halogen Free: SW4 sheathing materials minimize smoke and toxic gas emissions during fire emergencies, protecting human life and sensitive equipment[reference:28].
- Wide Temperature Range: Operates reliably from -40°C to +90°C, suitable for extreme marine and offshore conditions[reference:29].
- Corrosion Resistant: Tinned copper conductors prevent oxidation and ensure long-term conductivity in harsh marine environments[reference:30].
- International Approvals: Lloyd’s Register approved, compliant with BS 6883 and IEC standards[reference:31].
Applications
TEBAOFLEX BS 6883 EPR/SW4/GSWB/PUR cable is the preferred choice for a wide range of demanding marine and offshore applications:
- Submersible Water Pumps: Energy supply cable for submersible pumps installed underwater up to 50 meters depth, providing stable power for pump maintenance and operation
- Offshore Drilling Rigs: Fixed wiring power distribution on offshore drilling rigs and oil platforms[reference:32]
- Ships & Vessels: Fixed wiring installations across all areas onboard ships, including accommodation and open deck areas[reference:33]
- Mobile Offshore Units: Power and control applications on mobile offshore units[reference:34]
- Power Distribution: Medium voltage power distribution systems on ships and offshore platforms[reference:35]
- Industrial Equipment: Connection of large boilers, heater plates, and heavy industrial machinery requiring medium voltage power
- Oil & Gas Sector: Electric submersible pump (ESP) power cables within the oil and gas sector[reference:36]
- Safety Systems: Safety and emergency lighting, shut down control systems, gas detectors, alarm systems, and fire pump systems[reference:37]
Important Note: This cable is designed for fixed wiring installations. Not suitable for areas where mechanical damage might occur and cause hazard, or for underwater power transmission systems in waterways.
Dimensions and Weight – 6.6/6.6kV (25mm²/3C)
Based on the specification for 3-core 25mm² configuration at 6.6/6.6kV:
| Parameter | Value |
|---|---|
| Construction | 3 × 25 mm² |
| Nominal Insulation Thickness | 3.0 mm |
| Nominal Inner Sheath Thickness | 2.0 mm |
| Diameter Over Inner Sheath (Min) | 36.5 mm |
| Diameter Over Inner Sheath (Max) | 39.9 mm |
| Nominal Armour Wire Diameter | 0.45 mm |
| Nominal Outer Sheath Thickness | 2.2 mm |
| Overall Diameter (Min) | 42.9 mm |
| Overall Diameter (Max) | 47.5 mm |
| Approximate Weight | 3220 kg/km |
Current Ratings
Current rating as defined to DIN VDE 0298-4. Ambient air temperature: 30°C. Operating temperature at conductor: 60°C.
| Conductor Cross-Section (mm²) | Current Rating (A) – 2 or 3 loaded cores |
|---|---|
| 1.5 | 18 |
| 2.5 | 26 |
| 4 | 34 |
| 6 | 44 |
| 10 | 61 |
| 16 | 82 |
| 25 | 108 |
| 35 | 135 |
| 50 | 168 |
| 70 | 207 |
| 95 | 250 |
| 120 | 292 |
| 150 | 335 |
| 185 | 378 |
Correction Factors for Ambient Temperatures
| Temperature (°C) | 30 | 35 | 40 | 45 | 50 | 55 |
|---|---|---|---|---|---|---|
| Correction Factor | 1.00 | 0.91 | 0.82 | 0.71 | 0.58 | 0.41 |
Why Choose TEBAOFLEX BS 6883 EPR/SW4/GSWB/PUR?
TEBAOFLEX BS 6883 EPR/SW4/GSWB/PUR cable combines premium EPR insulation, robust GSWB armour, and a durable PUR outer sheath to deliver superior performance in the most demanding offshore and submersible applications. Its medium voltage rating (6.6/6.6kV) makes it ideal for high-power submersible pumps and offshore equipment, while full compliance with BS 6883 and IEC standards ensures safe, reliable, and code-compliant installations.
With Lloyd’s Register approval, flame retardant properties, low smoke halogen-free construction, and exceptional resistance to oil, chemicals, and extreme temperatures, TEBAOFLEX BS 6883 cable delivers the durability, safety, and performance you can count on for critical marine and offshore power transmission.
Contact us today for more information or to request a quote for TEBAOFLEX BS 6883 EPR/SW4/GSWB/PUR cable in your required configuration.







