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Product

shipboard & offshore power cable BS 68830.6/1 kV (-40 to +90 °C)Type SW4 (TQ) / Type SW2 (B) Outer S

658TQ / 658B & 6571TQ / 6591TQ 0.6/1 kV BS 6883 Offshore Switchgear & Rig Feeder CableBS 6883 — 0.6/1 kV — -40 to +90 °C Marine & Offshore Cable

658TQ / 658B & 6571TQ / 6591TQ 0.6/1 kV (BS 6883 Type SW4 / SW2) EPR-Insulated GSWB/TPBWB-Armoured & Unarmoured Offshore Rig, Switchgear & Bonding Cable Series (BS 6883, 0.6/1 kV, -40 to +90 °C, min. bend radius 6 × OD).

Flame-retardant

Ozone, UV & moisture

Oil-resistant

Approved

Configuration

Order designation: 658TQ 3×16+1G16 mm²
Outer Ø ≈: 22.4 mm
Net weight ≈: 920 kg/km
Tensile rating ≈: 3.8 kN
Core / stranding: IEC 60228 Class 2/5 Cu/SnCu

All sizes (3)

Request a quote Datasheet WhatsApp info@tebaoflex.com

Engineering reply in 2 business hoursCut-to-length export drumsEN 10204 3.1 certificate per drum

Rated voltage: 0.6/1 kV
Operating temp.: −40…+90 °C
Min. bend radius: 6 × OD
Core / conductor: Class 5 Flexible
Outer protection: Type SW4 (TQ) /
Standard: BS 6883

Typical values for this cable type, based on BS 6883 / BS 7655 GP4 / Type SW4 & SW2 — confirmed in the datasheet and quotation for your order.

Application fit

Is 658TQ / 658B & 6571TQ / 6591TQ 0.6/1 KV (BS 6883) right for your machine?

Offshore platform & shipboard deck trays

Suitable

Halogen-free SHF1/SHF2 or mud-resistant thermoset jacket withstands marine salt mist, oil and deck weathering.

Fixed installation

Suitable

Approved for bulkheads, cable trays, ladders and hull penetrations on commercial vessels and offshore units.

Drilling jumbo & rotary mast feed

Suitable

Metallic braid armour and cross-linked EPR/XLPE/XLPO insulation handle heavy mechanical and thermal duty.

Motor stator, traction & converter leads

Suitable

Stranded copper or tinned copper conductors terminate cleanly into marine switchboards, thrusters and transformers.

Energy chain / drag chain

Not suitable

Armoured shipboard and offshore feeder cable is not designed for high-cycle automation drag chains.

Use Drag-Chain Servo Cable

Typical machinesMarine & Offshore CableCommercial Vessels & Cruise ShipsOffshore Oil & Gas Platforms (FPSO)Jack-Up & Semi-Submersible Drilling RigsNaval Surface Vessels & Submarines

Construction

Layer by layer

Shown: 658TQ / 658B & 6571TQ / 6591TQ 0.6/1 KV (BS 6883) (BS 6883 / BS 7655 GP4 / Type SW4 & SW2) featuring class 5 flexible tinned copper (1×185 mm²), bs 7655 gp4 epr insulation and type sw4 (tq) / type sw2 (b) outer sheath (4-layer construction).

Schematic, not to scale — generated from the layer data

#	Layer	Material & reference
1	Class 5 Flexible Tinned Copper (1×185 mm	BS EN 60228 Class 5 flexible tinned copper conductor (up to 630 mm²)
2	BS 7655 GP4 EPR Insulation	90 °C ethylene-propylene rubber dielectric (0.6/1 kV to 1.8/3 kV)
3	Phosphor Bronze Non-Magnetic Braid (6571	Non-magnetic phosphor bronze wire braid preventing eddy-current heating
4	Type SW4 (TQ) / Type SW2 (B) Outer Sheat	Heavy-duty halogen-free oil-resistant SW4 (658TQ) or PCP SW2 (658B) jacket

658TQ / 658B & 6571TQ / 6591TQ 0.6/1 KV (BS 6883) — Standard Shipboard & Offshore Execution

Built to BS 6883 / BS 7655 GP4 / Type SW4 & SW2 with class 5 flexible tinned copper (1×185 mm²) and type sw4 (tq) / type sw2 (b) outer sheath

658TQ / 658B & 6571TQ / 6591TQ 0.6/1 KV (BS 6883) — Custom Drum Length & Gland Kit

Available in custom continuous shipboard/offshore drum lengths or with marine EMC cable glands

658TQ / 658B & 6571TQ / 6591TQ 0.6/1 KV (BS 6883) — Class & Routine Test Certified

Supplied with EN 10204 3.1 routine dielectric, conductor resistance & flame/fire test report

Technical data

Ratings & operating limits

Typical values: Typical values for this cable type, based on BS 6883 / BS 7655 GP4 / Type SW4 & SW2. Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage / transmission duty: 0.6/1 kV (BS 6883 / BS 7655 GP4 / Type SW4 & SW2)
Core / conductor construction: Class 5 Flexible Tinned Copper (1×185 mm²) — BS EN 60228 Class 5 flexible tinned copper conductor (up to 630 mm²)
Primary dielectric / buffering: BS 7655 GP4 EPR Insulation — 90 °C ethylene-propylene rubber dielectric (0.6/1 kV to 1.8/3 kV)

Thermal

Continuous operating temperature: −40…+90 °C (shipboard & offshore duty)
Short-circuit / peak thermal rating: Verified thermal stability per BS 6883 / BS 7655 GP4 / Type SW4 & SW2
Storage & transport temperature: −40…+80 °C on export wooden/steel drum

Mechanical

Outer protection / armouring: Type SW4 (TQ) / Type SW2 (B) Outer Sheath — Heavy-duty halogen-free oil-resistant SW4 (658TQ) or PCP SW2 (658B) jacket
Minimum bending radius: 6 × OD
Armour, screen & mechanical duty: Phosphor Bronze Non-Magnetic Braid (6571TQ) — Non-magnetic phosphor bronze wire braid preventing eddy-current heating

Resistance

Flame, fire & smoke performance: Qualified for marine flame-retardance and low-smoke zero-halogen / fire safety per BS 6883 / BS 7655 GP4 / Type SW4 & SW2
Oil, drilling mud & seawater resistance: Resistant to marine fuel/lube oils, salt mist and offshore fluids per BS 6883 / BS 7655 GP4 / Type SW4 & SW2
RoHS & REACH compliance: RoHS 2 (2011/65/EU + 2015/863) & REACH SVHC compliant

Reference standards

Governing standard: BS 6883 / BS 7655 GP4 / Type SW4 & SW2
Environmental & test standards: IEC 60228 / IEC 60332-3-22 / IEC 60754 / IEC 61034 / EN 10204
Quality management & inspection: ISO 9001:2015 & EN 10204 3.1 factory routine inspection

Identification

Model designation: 658TQ / 658B & 6571TQ / 6591TQ 0.6/1 KV (BS 6883)
Sheath colour & metre marking: Continuous metre-marked black outer finish (Type SW4 (TQ) / )
Customs tariff (HS): 8544.49 / 8544.60 / 8544.70

Sizes

3 standard 658TQ / 658B & 6571TQ / 6591TQ 0.6/1 KV (BS 6883) shipboard & offshore configurations

Manufactured to BS 6883 / BS 7655 GP4 / Type SW4 & SW2 for shipboard, offshore platform, drilling rig and marine applications.

Dimensions, tensile load & weights
Order designation	Configuration	Core / stranding	Outer Ø ≈ mm	Net weight ≈ kg/km	Tensile rating kN ≈	Min. bend R mm
658TQ / 658B & 6571TQ / 6591TQ 0.6/1 KV (BS 6883) Construction Schedule (−40…+90 °C)
658TQ 3×16+1G16 mm²	3 × 16 + 1G16 mm² (4G16)	IEC 60228 Class 2/5 Cu/SnCu	22.4	920	3.8	135
658TQ 3×35+1G16 mm²	3 × 35 + 1G16 mm² (4G35)	IEC 60228 Class 2/5 Cu/SnCu	28.8	1,690	7.4	175
658TQ 3×70+1G35 mm²	3 × 70 + 1G35 mm² (4G70)	IEC 60228 Class 2/5 Cu/SnCu	38.2	3,260	14.8	230

Typical values for this cable type; dimensions and weights for your order are confirmed in the quotation.
Custom core cross-sections, pair/fibre counts, armour grades and factory drum lengths available per BS 6883 / BS 7655 GP4 / Type SW4 & SW2.

Electrical, optical & thermal parameters
Configuration	Max. DC R₂₀ / Atten. Ω/km or dB/km	Rating / Impedance	Operating temp.
3 × 16 + 1G16 mm² (4G16)	1.15	0.6/1 kV (98 A)	−40…+90 °C
3 × 35 + 1G16 mm² (4G35)	0.52	0.6/1 kV (158 A)	−40…+90 °C
3 × 70 + 1G35 mm² (4G70)	0.27	0.6/1 kV (245 A)	−40…+90 °C

Every production length undergoes routine conductor DC resistance, high-voltage dielectric or OTDR continuity and dimensional verification.

Quality & approvals

Testing & inspection

Routine tests on every production length, sample and type tests per batch — documented on an EN 10204 3.1 inspection certificate.

ConductorClass 5 stranding
Spark test100 % in-line
Lay-upCores, earth, fillers
SheathingInner, braid / screen, outer
Electrical testsAC voltage, resistance
DimensionsOD, wall thickness
Inspection documents & dispatchDrum & dispatch

Testing & inspection	Test value / reference	Frequency
Routine tests
Conductor resistance, continuity & dimensional verification (BS 6883 / BS 7655 GP4 / Type SW4 & SW2)	DC resistance at 20 °C / optical attenuation and outer diameter within BS 6883 / BS 7655 GP4 / Type SW4 & SW2 tolerances	Every manufactured drum length
High-voltage dielectric & insulation resistance test (BS 6883 / BS 7655 GP4 / Type SW4 & SW2)	Zero dielectric breakdown and verified insulation resistance for 0.6/1 kV rating	Every manufactured drum length
Sample tests
Flame, fire integrity, oil/mud & mechanical qualification (BS 6883 / BS 7655 GP4 / Type SW4 & SW2)	Verified flame/fire performance, fluid resistance and thermal stability across −40…+90 °C	Type qualification & periodic lot audit

Inspection certificate

Issued with every drum, listing the routine test results for that length.

Product approvals

BS 6883 CompliantEN 10204 3.1 Factory Test CertificateCE, RoHS 2 (2011/65/EU) & REACH

Company certificates

ISO 9001ISO 14001ISO 45001VDE marks approvalUL / cULCE · LVD / EMC

Marking & supply

Ordering & delivery

Sheath marking

TEBAOFLEX 658TQ / 658B & 6571TQ / 6591TQ 0.6/1 KV (BS 6883) BS 6883 0.6/1 kV CE

Delivery form: Heavy-duty export fumigated wooden drums or steel marine reels
Standard lengths: 500 m, 1,000 m or custom continuous shipboard/offshore lengths
MOQ: 100 m (standard configurations) · 500 m (custom builds)
Lead time: 2–5 weeks ex-works
Incoterms: EXW, FCA, FOB, CIF, DAP

Technical documents

Downloads

PDF658TQ / 658B & 6571TQ / 6591TQ 0.6/1 kV BS 6883 Offshore Switchgear & – technical datasheet3 sizes · construction, technical data, approvals XLSX658TQ / 658B & 6571TQ / 6591TQ 0.6/1 KV (BS 6883) spec data (Excel)All 3 sizes with dimensions and data, for your BOM or quotation

Revision: 2026-10-25
Updated: 2026-10-25

FAQ

Questions engineers ask first

Not covered here? Send your drawing — an engineer replies within 2 business hours.

What governing standard and construction define 658TQ / 658B & 6571TQ / 6591TQ 0.6/1 KV (BS 6883) (658TQ / 658B & 6571TQ / 6591TQ 0.6/1 kV BS 6883 Offshore Switchgear & Rig Feeder Cable)?

658TQ / 658B & 6571TQ / 6591TQ 0.6/1 KV (BS 6883) (658TQ / 658B & 6571TQ / 6591TQ 0.6/1 kV BS 6883 Offshore Switchgear & Rig Feeder Cable) is manufactured in accordance with BS 6883 / BS 7655 GP4 / Type SW4 & SW2 for 0.6/1 kV service over -40 to +90 °C. Its 4-layer construction comprises class 5 flexible tinned copper (1×185 mm²), bs 7655 gp4 epr insulation and type sw4 (tq) / type sw2 (b) outer sheath.

What is the minimum bending radius and operating temperature range for 658TQ / 658B & 6571TQ / 6591TQ 0.6/1 KV (BS 6883)?

The minimum bending radius for 658TQ / 658B & 6571TQ / 6591TQ 0.6/1 KV (BS 6883) is 6 × OD across its continuous operating temperature range of -40 to +90 °C, ensuring mechanical and dielectric reliability in shipboard and offshore service.

How are the concentric layers of 658TQ / 658B & 6571TQ / 6591TQ 0.6/1 KV (BS 6883) arranged from inside to outside?

From inside to outside, the construction sequence is: (01) Class 5 Flexible Tinned Copper (1×185 mm²) — BS EN 60228 Class 5 flexible tinned copper conductor (up to 630 mm²); (02) BS 7655 GP4 EPR Insulation — 90 °C ethylene-propylene rubber dielectric (0.6/1 kV to 1.8/3 kV); (03) Phosphor Bronze Non-Magnetic Braid (6571TQ) — Non-magnetic phosphor bronze wire braid preventing eddy-current heating; (04) Type SW4 (TQ) / Type SW2 (B) Outer Sheath — Heavy-duty halogen-free oil-resistant SW4 (658TQ) or PCP SW2 (658B) jacket.

What factory test certificates are supplied with 658TQ / 658B & 6571TQ / 6591TQ 0.6/1 KV (BS 6883)?

Every production drum of 658TQ / 658B & 6571TQ / 6591TQ 0.6/1 KV (BS 6883) undergoes routine conductor resistance/continuity, high-voltage dielectric and dimensional testing per BS 6883 / BS 7655 GP4 / Type SW4 & SW2, and is delivered with an EN 10204 3.1 factory test certificate.

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01Selected sizes

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02Reel & motion

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Reel typeDrum core diameter (mm)Cable length on drum (m)Travel speed (m/min)Max. accelerationCycles per hourLength and quantityAmbient temperatureExposure (outdoor, water, oil, abrasion)Destination countryEquipment and operating conditions

03Message for our engineers

658TQ / 658B & 6571TQ / 6591TQ 0.6/1 kV BS 6883 Offshore Switchgear & Rig Feeder Cable

Selected sizes:


Reel & motion:
- Reel type: 
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- Cable length on drum (m): 
- Travel speed (m/min): 
- Max. acceleration: 
- Cycles per hour: 
- Length and quantity: 
- Ambient temperature: 
- Exposure (outdoor, water, oil, abrasion): 
- Destination country: 
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