1 / 5

Product

subsea ROV umbilical, AUV tether & sonar tow cable IEC 60794 / IEC 60228600 V (-40 to +80 °C)Subsea / Marine Outer Protective She

Subsea Hybrid Copper-Fiber Neutrally Buoyant ROV TetherIEC 60794 / IEC 60228 — 600 V — -40 to +80 °C Subsea & Marine Cable

Subsea Hybrid Copper-Fiber Neutrally Buoyant ROV Tether featuring single-mode / multi-mode optical unit and subsea / marine outer protective sheath (IEC 60794 / IEC 60228, 600 V, -40 to +80 °C, min. bend radius 6 × OD).

Water-resistant

EMC screen

Outdoor & humid

Approved

Configuration

Order designation: Hybrid Cu-Fiber Buoyant ROV Tether Buoyant Ø9.5
Outer Ø ≈: 9.5 mm
Net weight ≈: 92 kg/km
Max. pulling ≈: 6.5 kN
Core / stranding: SnCu + G.657.A2 + Aramid + Foamed PUR

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: 600 V
Operating temp.: −40…+80 °C
Min. bend radius: 6 × OD
Core / conductor: Single-Mode / Mu
Outer protection: Subsea / Marine
Standard: IEC 60794 / IEC

Typical values for this cable type, based on IEC 60794 & IEC 60228 Hybrid Copper-Fiber Neutrally Buoyant ROV Specification — confirmed in the datasheet and quotation for your order.

Application fit

Is Hybrid Cu-Fiber Buoyant ROV Tether right for your machine?

Immersion & wet locations

Suitable

Hydrolysis-resistant subsea PUR or HDPE outer sheath and water-blocked core interstices withstand continuous deep-ocean hydrostatic immers

Vertical / spreader reel

Suitable

Contra-helical galvanized steel wire armour or high-modulus aramid/LCP braid supports vertical traction winches, TMS cages and tow sheaves

Free-hanging vertical run

Suitable

Torque-balanced armour or neutrally buoyant foamed-PUR jacket prevents hockling and kinking during free-swimming ROV and tether excursions

Offshore platform & shipboard deck trays

Suitable

Resists seawater, marine bio-fouling, hydraulic oil, UV radiation and abrasion across vessel A-frames and launch-and-recovery systems (LAR

Energy chain / drag chain

Not suitable

Subsea ROV umbilicals and tow cables are optimized for winch deployment and water-column catenaries rather than high-speed factory drag ch

Use Drag-Chain Feeder Cable

Typical machinesUnderwater & Ocean ExplorationWork-Class & Observation ROV Umbilicals and TMS TethersOffshore Aquaculture Net Cleaners & Subsea Cage InspectionAUV, Ocean Glider & Expendable Spool-Payoff Micro-TethersUSV Towed Sonar Arrays, Seabed Crawlers & Subsea Trenchers

Construction

Layer by layer

Shown: Hybrid Cu-Fiber Buoyant ROV Tether (IEC 60794 & IEC 60228 Hybrid Copper-Fiber Neutrally Buoyant ROV Specification) featuring single-mode / multi-mode optical unit, power & control copper conductors and subsea / marine outer protective sheath (4-layer construction).

Hybrid Cu-Fiber Buoyant ROV Tether — stepped horizontal cutaway showing Single-Mode / Multi-Mode Optical Unit and Subs — Layer cutaway

#	Layer	Material & reference
1	Single-Mode / Multi-Mode Optical Unit	Hermetic stainless-steel tube / tight-buffered optical unit
2	Power & Control Copper Conductors	Stranded copper conductors with Low-capacitance cellular Foam-Skin PE insulation
3	Aramid / LCP Braided Strength Member	High-tenacity synthetic fiber braid absorbing dynamic tension
4	Subsea / Marine Outer Protective Sheath	Black hydrolysis- & abrasion-resistant marine Polyurethane (PUR) outer sheath

Hybrid Cu-Fiber Buoyant ROV Tether — Standard Subsea & Marine Execution

Built to IEC 60794 & IEC 60228 Hybrid Copper-Fiber Neutrally Buoyant ROV Specification with single-mode / multi-mode optical unit and subsea / marine outer protective sheath

Hybrid Cu-Fiber Buoyant ROV Tether — Custom Winch Length / Molded Termination

Available on continuous export winch drums or factory-terminated with subsea wet-mate / mechanical sockets

Hybrid Cu-Fiber Buoyant ROV Tether — Hydrostatic & Routine Certified

Supplied with EN 10204 3.1 routine dielectric, conductor/optical continuity & hydrostatic qualification report

Technical data

Ratings & operating limits

Typical values: Typical values for this cable type, based on IEC 60794 & IEC 60228 Hybrid Copper-Fiber Neutrally Buoyant ROV Specification. Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage / operating system: 600 V (IEC 60794 & IEC 60228 Hybrid Copper-Fiber Neutrally Buoyant ROV Specification)
Core / conductor construction: Single-Mode / Multi-Mode Optical Unit — Hermetic stainless-steel tube / tight-buffered optical unit
Primary dielectric / optical buffer: Power & Control Copper Conductors — Stranded copper conductors with Low-capacitance cellular Foam-Skin PE insulation

Thermal

Continuous operating temperature: −40…+80 °C (submerged seawater & topside deck service)
Hydrostatic & thermal cycling endurance: Verified cold-bend and wet dielectric stability across −40…+80 °C per IEC 60794 & IEC 60228 Hybrid Copper-Fiber Neutrally Buoyant ROV Specification
Storage & transport temperature: −40…+80 °C on export wooden/steel cable drum

Mechanical

Outer jacket / sheath protection: Subsea / Marine Outer Protective Sheath — Black hydrolysis- & abrasion-resistant marine Polyurethane (PUR) outer sheath
Minimum bending radius: 6 × OD
Reinforcement / screen / bedding layer: Aramid / LCP Braided Strength Member — High-tenacity synthetic fiber braid absorbing dynamic tension

Resistance

Seawater, hydrolysis & oil resistance: Resistant to permanent seawater immersion, hydrolysis, hydraulic oil and bio-fouling per IEC 60794 & IEC 60228 Hybrid Copper-Fiber Neutrally Buoyant ROV Specification
Hydrostatic pressure & water blocking: Radial and longitudinal water-blocking integrity verified per IEC 60794 & IEC 60228 Hybrid Copper-Fiber Neutrally Buoyant ROV Specification
RoHS & REACH compliance: RoHS 2 (2011/65/EU + 2015/863) & REACH SVHC compliant

Reference standards

Governing standard: IEC 60794 & IEC 60228 Hybrid Copper-Fiber Neutrally Buoyant ROV Specification
Subsea & conductor qualification standards: IEC 60228 / DNV-ST-E402 / ISO 13628-5 / IEC 60794 / EN 10204
Quality management & inspection: ISO 9001:2015 & EN 10204 3.1 factory routine inspection

Identification

Model designation: Hybrid Cu-Fiber Buoyant ROV Tether
Sheath colour & metre marking: Continuous metre-marked black outer finish (Subsea / Marine )
Customs tariff (HS): 8544.49 / 8544.60 / 8544.70

Sizes

3 standard Hybrid Cu-Fiber Buoyant ROV Tether configurations

Manufactured to IEC 60794 & IEC 60228 Hybrid Copper-Fiber Neutrally Buoyant ROV Specification for subsea robotics, ROV umbilicals, marine aquaculture and offshore sensor applications.

Dimensions, tensile load & weights
Order designation	Configuration	Core / stranding	Outer Ø ≈ mm	Net weight ≈ kg/km	Max. pulling kN ≈	Min. bend R mm
Hybrid Cu-Fiber Buoyant ROV Tether Construction Schedule (−40…+80 °C)
Hybrid Cu-Fiber Buoyant ROV Tether Buoyant Ø9.5	2×1.5 mm² + 2×SM Fiber + 1×TP	SnCu + G.657.A2 + Aramid + Foamed PUR	9.5	92	6.5	60
Hybrid Cu-Fiber Buoyant ROV Tether Buoyant Ø13.2	4×2.5 mm² + 4×SM Fiber + 2×TP	SnCu + G.657.A2 + Aramid/LCP + Foamed PUR	13.2	168	14.0	80
Hybrid Cu-Fiber Buoyant ROV Tether Buoyant Ø17.8	3×6.0 mm² + 6×SM/MM + 4×TP	SnCu + Optical Unit + Synthetic Braid	17.8	315	28.0	110

Typical values for this cable type; dimensions and weights for your order are confirmed in the quotation.
Custom core counts, optical fiber channels, wet-mate terminations and continuous winch lengths available per IEC 60794 & IEC 60228 Hybrid Copper-Fiber Neutrally Buoyant ROV Specification.

Electrical, optical & thermal parameters
Configuration	Max. DC R₂₀ Ω/km	Rating / Impedance / Load	Operating temp.
2×1.5 mm² + 2×SM Fiber + 1×TP	13.30	600 V · SG ≈ 1.01	−40…+80 °C
4×2.5 mm² + 4×SM Fiber + 2×TP	7.98	600 V · SG ≈ 1.02	−40…+80 °C
3×6.0 mm² + 6×SM/MM + 4×TP	3.30	600 V · SG ≈ 1.02	−40…+80 °C

Every production length undergoes routine conductor DC resistance / OTDR optical attenuation, AC dielectric 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 DC resistance / OTDR optical & dimensional check (IEC 60794 & IEC 60228 Hybrid Copper-Fiber Neutrally Buoyant ROV Specification)	DC resistance at 20 °C, optical attenuation and wall thickness within IEC 60794 & IEC 60228 Hybrid Copper-Fiber Neutrally Buoyant ROV Specification limits	Every manufactured drum length
AC high-voltage dielectric & insulation resistance test (IEC 60794 & IEC 60228 Hybrid Copper-Fiber Neutrally Buoyant ROV Specification)	Zero dielectric breakdown and verified wet insulation resistance for 600 V rating	Every manufactured drum length
Sample tests
Hydrostatic pressure, tensile load & seawater immersion qualification (IEC 60794 & IEC 60228 Hybrid Copper-Fiber Neutrally Buoyant ROV Specification)	Verified hydrostatic pressure integrity, breaking load and flex endurance 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

IEC 60794 / IEC 60228 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 Hybrid Cu-Fiber Buoyant ROV Tether IEC 60794 / IEC 60228 600 V CE

Delivery form: Heavy-duty export fumigated wooden drums, steel winch reels or pre-terminated subsea assemblies
Standard lengths: 500 m, 1,000 m, 3,000 m continuous winch lengths or custom cut-to-length subsea jumpers
MOQ: 100 m (standard configurations) · 300 m (custom subsea builds)
Lead time: 2–4 weeks ex-works
Incoterms: EXW, FCA, FOB, CIF, DAP

Technical documents

Downloads

PDFSubsea Hybrid Copper-Fiber Neutrally Buoyant ROV Tether – technical datasheet3 sizes · construction, technical data, approvals XLSXHybrid Cu-Fiber Buoyant ROV Tether spec data (Excel)All 3 sizes with dimensions and data, for your BOM or quotation

Revision: 2026-10-29
Updated: 2026-10-29

FAQ

Questions engineers ask first

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

What governing standard and construction define Hybrid Cu-Fiber Buoyant ROV Tether (Subsea Hybrid Copper-Fiber Neutrally Buoyant ROV Tether)?

Hybrid Cu-Fiber Buoyant ROV Tether (Subsea Hybrid Copper-Fiber Neutrally Buoyant ROV Tether) is manufactured in accordance with IEC 60794 & IEC 60228 Hybrid Copper-Fiber Neutrally Buoyant ROV Specification for 600 V subsea,ROV and marine aquaculture service over -40 to +80 °C. Its 4-layer construction comprises single-mode / multi-mode optical unit, power & control copper conductors and subsea / marine outer protective sheath.

What is the minimum bending radius and operating temperature range for Hybrid Cu-Fiber Buoyant ROV Tether?

The minimum bending radius for Hybrid Cu-Fiber Buoyant ROV Tether is 6 × OD across its continuous operating temperature range of -40 to +80 °C, ensuring mechanical flex endurance and hydrostatic reliability in subsea winches, TMS cages and aquaculture installations.

How are the concentric layers of Hybrid Cu-Fiber Buoyant ROV Tether arranged from inside to outside?

From inside to outside, the construction sequence is: (01) Single-Mode / Multi-Mode Optical Unit — Hermetic stainless-steel tube / tight-buffered optical unit; (02) Power & Control Copper Conductors — Stranded copper conductors with Low-capacitance cellular Foam-Skin PE insulation; (03) Aramid / LCP Braided Strength Member — High-tenacity synthetic fiber braid absorbing dynamic tension; (04) Subsea / Marine Outer Protective Sheath — Black hydrolysis- & abrasion-resistant marine Polyurethane (PUR) outer sheath.

What factory test certificates are supplied with Hybrid Cu-Fiber Buoyant ROV Tether?

Every production drum of Hybrid Cu-Fiber Buoyant ROV Tether undergoes routine conductor DC resistance / optical OTDR continuity, AC high-voltage dielectric and dimensional testing per IEC 60794 & IEC 60228 Hybrid Copper-Fiber Neutrally Buoyant ROV Specification, and is delivered with an EN 10204 3.1 factory test certificate.

Request a quote

Get an engineering quote for Hybrid Cu-Fiber Buoyant ROV Tether

Your selection and application details are copied into the enquiry form below.

01Selected sizes

Use + Add next to a size or configuration.

02Reel & motion

Add your operating conditions here to include them in your enquiry.

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

Hybrid Cu-Fiber Buoyant ROV Tether Subsea Hybrid Copper-Fiber Neutrally Buoyant ROV Tether

Selected sizes:


Reel & motion:
- Reel type: 
- Drum core diameter (mm): 
- 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: 
- Equipment and operating conditions:

Send via WhatsApp