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Product

UNOLS 0.680" 3,000 VDC 45 Ω double-armored deep-sea tow cableUNOLS 0.680" Standard3,000 VDC / 45 Ω Coax177.9 kN SXGIPS Armor

A301241 (UNOLS 0.680") 3,000 V 45 Ω Double-Armored Deep-Sea Tow CableUNOLS 0.680" Coax · 1.8/3 kV · Unols 0.680" 3,000 vdc 45 ω double-armored deep-sea tow

A301241 (UNOLS 0.680" 3000 V 45-Ohm) Torque-Balanced Double-Armored Deep-Sea Coaxial & Multi-Coax Tow Cable (UNOLS 0.680" Coax, 1.8/3 kV, -40 °C to +80 °C, min. bend radius 15 × OD).

Water-resistant

Anti-torsion braid

EMC screen

Outdoor & humid

Configuration

Order designation: A301241 Type A (Standard Lift)
Outer Ø ≈: 25.4 mm
Net weight ≈: 1,680 kg/km
Tensile rating ≈: 320.0 kN
Core / stranding: Class 5 tinned Cu + 316L FIMT

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: 1.8/3 kV
Operating temp.: −40…+80 °C
Min. bend radius: 15 × OD
Core / conductor: 0-6-12 Cu
Outer protection: 22+36 SXGIPS
Standard: UNOLS 0.680"

Typical values for this cable type, based on UNOLS Standard 0.680" (17.27 mm) 3,000 VDC Deep-Sea Coax — confirmed in the datasheet and quotation for your order.

Application fit

Is A301241 right for your machine?

A301241 (UNOLS 0.680" 3000 V 45-Ohm) Torque-Balanced Double-Armored Deep-Sea Coaxial & Multi-Coax Tow Cable (UNOLS 0.680" Coax, 1.8/3 kV, -40 °C to +80 °C, min. bend radius 15 × OD).

Immersion & wet locations

Suitable

Water-blocked core matrix and hydrolysis-resistant subsea jacketing withstand continuous deepwater hydrostatic pressure.

Vertical / spreader reel

Suitable

Torque-balanced aramid or contra-helical steel armour supports vertical winch deployment without hockling.

Offshore platform & shipboard deck trays

Suitable

Marine-grade outer sheath and armour package resist LARS sheave abrasion, UV exposure and salt-spray corrosion.

Trailing & towing

Suitable

High tensile breaking strength supports underwater towing, ROV excursion and seabed plough/trencher duty.

Energy chain / drag chain

Not suitable

Subsea umbilical and tow construction is not intended for high-cycle indoor factory drag chains.

Use Drag-Chain Servo Cable

Typical machinesMarine & Offshore CableWork-Class & Observation ROV SystemsOffshore Wind & Subsea Power GridsOceanographic, Sonar & Seismic SurveyCommercial Diving & Subsea Intervention

Construction

Layer by layer

Shown: A301241 (UNOLS Standard 0.680" (17.27 mm) 3,000 VDC Deep-Sea Coax) featuring 0-6-12 center conductor, 3,000 v 45 ω hdpe dielectric and 22 + 36 sxgips torque-balanced armor (5-layer construction).

Schematic, not to scale — generated from the layer data

#	Layer	Material & reference
1	0-6-12 Center Conductor	Work-hardened half-hard copper wires stranded around central monofilament
2	3,000 V 45 Ω HDPE Dielectric	Solid high-density polyethylene coaxial insulation rated for 3,000 VDC
3	Served Copper Return & Cu/PET Tape	Unidirectional served half-hard copper wires + copper-backed polyester tape
4	Polyallomer / HDPE Inner Belt	Tough extruded thermoplastic barrier isolating return conductor from armor
5	22 + 36 SXGIPS Torque-Balanced Armor	Inner 22×1.65 mm + outer 36×1.27 mm 315 ksi galvanized steel wires (177.9 kN)

A301241 — Standard Subsea & Marine Execution

Built to UNOLS Standard 0.680" (17.27 mm) 3,000 VDC Deep-Sea Coax with 0-6-12 center conductor and 22 + 36 sxgips torque-balanced armor

A301241 — Custom Drum Length & Termination Kit

Available in custom continuous subsea/wellbore drum lengths or pre-terminated assemblies

A301241 — Routine & Hydrostatic Test Certified

Supplied with EN 10204 3.1 routine dielectric, resistance & pressure/dimensional report

Technical data

Ratings & operating limits

Typical values: Typical values for this cable type, based on UNOLS Standard 0.680" (17.27 mm) 3,000 VDC Deep-Sea Coax. Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage / transmission duty: 1.8/3 kV (UNOLS Standard 0.680" (17.27 mm) 3,000 VDC Deep-Sea Coax)
Core / conductor construction: 0-6-12 Center Conductor — Work-hardened half-hard copper wires stranded around central monofilament
Primary dielectric / buffering: 3,000 V 45 Ω HDPE Dielectric — Solid high-density polyethylene coaxial insulation rated for 3,000 VDC

Thermal

Continuous operating temperature: −40…+80 °C (subsea, marine & submersible duty)
Short-circuit / peak thermal rating: Verified thermal stability per UNOLS Standard 0.680" (17.27 mm) 3,000 VDC Deep-Sea Coax
Storage & transport temperature: −40…+80 °C on export wooden/steel drum

Mechanical

Outer protection / armouring: 22 + 36 SXGIPS Torque-Balanced Armor — Inner 22×1.65 mm + outer 36×1.27 mm 315 ksi galvanized steel wires (177.9 kN)
Minimum bending radius: 15 × OD
Hydrostatic, tensile & crush duty: Polyallomer / HDPE Inner Belt — Tough extruded thermoplastic barrier isolating return conductor from armor

Resistance

Hydrostatic pressure & water blocking: Engineered for continuous submersion and hydrostatic integrity per UNOLS Standard 0.680" (17.27 mm) 3,000 VDC Deep-Sea Coax
Seawater, oil & chemical resistance: Resistant to seawater hydrolysis, hydraulic oils and abrasion per UNOLS Standard 0.680" (17.27 mm) 3,000 VDC Deep-Sea Coax
RoHS & REACH compliance: RoHS 2 (2011/65/EU + 2015/863) & REACH SVHC compliant

Reference standards

Governing standard: UNOLS Standard 0.680" (17.27 mm) 3,000 VDC Deep-Sea Coax
Environmental & test standards: IEC 60228 / IEC 60332 / ISO 13628-5 / EN 10204
Quality management & inspection: ISO 9001:2015 & EN 10204 3.1 factory routine inspection

Identification

Model designation: A301241
Sheath colour & metre marking: Continuous metre-marked black outer finish (22+36 SXGIPS (177.9 kN))
Customs tariff (HS): 8544.49 / 8544.60 / 8544.70

Sizes

3 standard A301241 subsea & marine configurations

Manufactured to UNOLS Standard 0.680" (17.27 mm) 3,000 VDC Deep-Sea Coax for subsea, offshore, deep-well 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
A301241 Construction Schedule (−40…+80 °C)
A301241 Type A (Standard Lift)	3 × 10 mm² HV + 6×2×1.0 + 12F FIMT	Class 5 tinned Cu + 316L FIMT	25.4	1,680	320.0	380
A301241 Type B (Heavy Work-Class)	3 × 16 mm² HV + 8×2×1.0 + 12F FIMT	Class 5 tinned Cu + 316L FIMT	32.2	2,650	480.0	485
A301241 Type C (Ultra-Deep Trencher)	3 × 25 mm² HV + 12×2×1.0 + 24F FIMT	Class 5 tinned Cu + 316L FIMT	38.1	3,890	680.0	570

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 UNOLS Standard 0.680" (17.27 mm) 3,000 VDC Deep-Sea Coax.

Electrical, optical & thermal parameters
Configuration	Max. DC R₂₀ / Atten. Ω/km or dB/km	Rating / Impedance	Operating temp.
3 × 10 mm² HV + 6×2×1.0 + 12F FIMT	1.91	1.8/3 kV (≤0.35 dB/km SM)	−40…+80 °C
3 × 16 mm² HV + 8×2×1.0 + 12F FIMT	1.21	1.8/3 kV (≤0.35 dB/km SM)	−40…+80 °C
3 × 25 mm² HV + 12×2×1.0 + 24F FIMT	0.78	1.8/3 kV (≤0.35 dB/km SM)	−40…+80 °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 (UNOLS Standard 0.680" (17.27 mm) 3,000 VDC Deep-Sea Coax)	DC resistance at 20 °C / optical attenuation and outer diameter within UNOLS Standard 0.680" (17.27 mm) 3,000 VDC Deep-Sea Coax tolerances	Every manufactured drum length
High-voltage dielectric & insulation resistance test (UNOLS Standard 0.680" (17.27 mm) 3,000 VDC Deep-Sea Coax)	Zero dielectric breakdown and verified insulation resistance for 1.8/3 kV rating	Every manufactured drum length
Sample tests
Hydrostatic pressure, water-blocking & mechanical endurance qualification (UNOLS Standard 0.680" (17.27 mm) 3,000 VDC Deep-Sea Coax)	Verified submersion integrity, tensile load and thermal stability across −40…+80 °C	Type qualification & periodic lot audit

Inspection certificate

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

Product approvals

UNOLS 0.680" Coax 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 A301241 UNOLS 0.680" Coax 1.8/3 kV CE

Delivery form: Heavy-duty export fumigated wooden drums or steel subsea reels
Standard lengths: 500 m, 1,000 m or custom continuous subsea/wellbore 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

PDFA301241 (UNOLS 0.680") 3,000 V 45 Ω Double-Armored Deep-Sea Tow Cable – technical datasheet3 sizes · construction, technical data, approvals XLSXA301241 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 A301241 (A301241 (UNOLS 0.680") 3,000 V 45 Ω Double-Armored Deep-Sea Tow Cable)?

A301241 (A301241 (UNOLS 0.680") 3,000 V 45 Ω Double-Armored Deep-Sea Tow Cable) is manufactured in accordance with UNOLS Standard 0.680" (17.27 mm) 3,000 VDC Deep-Sea Coax for 1.8/3 kV service over -40 °C to +80 °C. Its 5-layer construction comprises 0-6-12 center conductor, 3,000 v 45 ω hdpe dielectric and 22 + 36 sxgips torque-balanced armor.

What is the minimum bending radius and operating temperature range for A301241?

The minimum bending radius for A301241 is 15 × OD across its continuous operating temperature range of -40 °C to +80 °C, ensuring mechanical and dielectric reliability in subsea, marine and submersible service.

How are the concentric layers of A301241 arranged from inside to outside?

From inside to outside, the construction sequence is: (01) 0-6-12 Center Conductor — Work-hardened half-hard copper wires stranded around central monofilament; (02) 3,000 V 45 Ω HDPE Dielectric — Solid high-density polyethylene coaxial insulation rated for 3,000 VDC; (03) Served Copper Return & Cu/PET Tape — Unidirectional served half-hard copper wires + copper-backed polyester tape; (04) Polyallomer / HDPE Inner Belt — Tough extruded thermoplastic barrier isolating return conductor from armor; (05) 22 + 36 SXGIPS Torque-Balanced Armor — Inner 22×1.65 mm + outer 36×1.27 mm 315 ksi galvanized steel wires (177.9 kN).

What factory test certificates are supplied with A301241?

Every production drum of A301241 undergoes routine conductor resistance/continuity, high-voltage dielectric and dimensional testing per UNOLS Standard 0.680" (17.27 mm) 3,000 VDC Deep-Sea Coax, and is delivered with an EN 10204 3.1 factory test certificate.

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03Message for our engineers

A301241 (UNOLS 0.680") 3,000 V 45 Ω Double-Armored Deep-Sea Tow Cable

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