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subsea umbilical, ROV tether & oceanographic tow cable Subsea Buoy Mooring Telemetry300 V – 1,000 V (-30 to +80 °C)Hydrolysis-Resistant Yellow PUR Jack

300–1,000 V Subsea Data Buoy Mooring & Seabed Station Electro-Optical Telemetry CableSubsea Buoy Mooring Telemetry — 300 V – 1,000 V — -30 to +80 °C Subsea & Offshore Cable

300–1,000 V Subsea Data Buoy Mooring & Seabed Station Electro-Optical Telemetry Cable (Subsea Buoy Mooring Telemetry) engineered for 300 V – 1,000 V service across -30 to +80 °C (min. bend radius 10 × OD).

Water-resistant

EMC screen

Oil-resistant

Approved

Configuration

Order designation: Subsea Buoy Telemetry 4Pr / 8Ch
Outer Ø ≈: 11.2 mm
Net weight ≈: 175 kg/km
Tensile rating ≈: 12.5 kN
Core / stranding: Stranded SnCu + Foil/Braid + Aramid

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: 300 V – 1,000 V
Operating temp.: −30…+80 °C
Min. bend radius: 10 × OD
Core / conductor: Central Optical
Outer protection: Hydrolysis-Resis
Standard: Subsea Buoy Moor

Typical values for this cable type, based on 300–1,000 V Subsea Data Buoy Mooring Power, Signal & Optical Telemetry Specification — confirmed in the datasheet and quotation for your order.

Application fit

Is Subsea Buoy Telemetry right for your machine?

Immersion & wet locations

Suitable

Hydrolysis-resistant polyurethane (PUR) or HDPE jacket and water-blocked core withstand continuous deepwater hydrostatic immersion.

Vertical / spreader reel

Suitable

Torque-balanced contra-helical steel wire armour or high-modulus aramid strength member supports dynamic winch deployment without hockling

Trailing & towing

Suitable

Abrasion-resistant outer sheath and high working-load strength elements handle dynamic marine towing, buoy mooring and ROV excursion.

Offshore platform & shipboard deck trays

Suitable

UV-stabilised, oil- and seawater-resistant construction withstands A-frame sheaves, traction winches and open research-vessel decks.

Energy chain / drag chain

Not suitable

Subsea umbilical, ROV tether and towed array cables are not designed for indoor factory automation drag chains.

Use M23 Servo Assembly

Typical machinesUnderwater & Ocean ExplorationOceanographic CTD, ADCP & Deep-Tow SurveysWork-Class & Observation ROV / AUV SystemsSide-Scan Sonar, SAS & Towed Hydrophone ArraysMarine 2D/3D/UHR Seismic Streamers & OBC

Construction

Layer by layer

Shown: Subsea Buoy Telemetry (300–1,000 V Subsea Data Buoy Mooring Power, Signal & Optical Telemetry Specification) featuring central optical / coaxial telemetry unit, tinned copper power & shielded pairs and hydrolysis-resistant yellow pur jacket (4-layer construction).

Schematic, not to scale — generated from the layer data

#	Layer	Material & reference
1	Central Optical / Coaxial Telemetry Unit	Hermetic optical tube or coaxial unit for real-time buoy data
2	Tinned Copper Power & Shielded Pairs	PE/XLPE/PP insulated power cores and foil-screened twisted pairs
3	Aramid / UHMWPE Mooring Strength Braid	High-modulus synthetic fiber braid withstanding wave & current tension
4	Hydrolysis-Resistant Yellow PUR Jacket	Long-life marine polyurethane outer sheath for buoy moorings

Subsea Buoy Telemetry — Standard Subsea & Offshore Execution

Built to 300–1,000 V Subsea Data Buoy Mooring Power, Signal & Optical Telemetry Specification with central optical / coaxial telemetry unit and hydrolysis-resistant yellow pur jacket

Subsea Buoy Telemetry — Custom Continuous Winch / Reel Length

Available in custom continuous subsea winch, tow or seabed lengths with water-blocked terminations

Subsea Buoy Telemetry — Hydrostatic, Tensile & Routine Certified

Supplied with EN 10204 3.1 routine dielectric, optical OTDR / DC resistance & tensile test report

Technical data

Ratings & operating limits

Typical values: Typical values for this cable type, based on 300–1,000 V Subsea Data Buoy Mooring Power, Signal & Optical Telemetry Specification. Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage / transmission duty: 300 V – 1,000 V (300–1,000 V Subsea Data Buoy Mooring Power, Signal & Optical Telemetry Specification)
Core / conductor construction: Central Optical / Coaxial Telemetry Unit — Hermetic optical tube or coaxial unit for real-time buoy data
Primary dielectric / buffering: Tinned Copper Power & Shielded Pairs — PE/XLPE/PP insulated power cores and foil-screened twisted pairs

Thermal

Continuous operating temperature: −30…+80 °C (subsea & offshore duty)
Hydrostatic & thermal stability: Verified thermal and hydrostatic stability per 300–1,000 V Subsea Data Buoy Mooring Power, Signal & Optical Telemetry Specification
Storage & transport temperature: −40…+80 °C on export wooden/steel winch reel

Mechanical

Outer protection / armouring: Hydrolysis-Resistant Yellow PUR Jacket — Long-life marine polyurethane outer sheath for buoy moorings
Minimum bending radius: 10 × OD
Armour, strength member & mechanical duty: Aramid / UHMWPE Mooring Strength Braid — High-modulus synthetic fiber braid withstanding wave & current tension

Resistance

Seawater, hydrostatic & hydrolysis resistance: Engineered for continuous seawater immersion, pressure cycling and hydrolysis resistance per 300–1,000 V Subsea Data Buoy Mooring Power, Signal & Optical Telemetry Specification
Oil, drilling mud & abrasion resistance: Resistant to marine hydraulic oils, salt mist, winch sheave wear and seabed abrasion per 300–1,000 V Subsea Data Buoy Mooring Power, Signal & Optical Telemetry Specification
RoHS & REACH compliance: RoHS 2 (2011/65/EU + 2015/863) & REACH SVHC compliant

Reference standards

Governing standard: 300–1,000 V Subsea Data Buoy Mooring Power, Signal & Optical Telemetry Specification
Environmental & test standards: IEC 60228 / IEC 60794 / ITU-T G.972 / IEEE 1580 / EN 10204
Quality management & inspection: ISO 9001:2015 & EN 10204 3.1 factory routine inspection

Identification

Model designation: Subsea Buoy Telemetry
Sheath colour & metre marking: Continuous metre-marked black outer finish (Hydrolysis-Resis)
Customs tariff (HS): 8544.49 / 8544.60 / 8544.70

Sizes

3 standard Subsea Buoy Telemetry subsea & offshore configurations

Manufactured to 300–1,000 V Subsea Data Buoy Mooring Power, Signal & Optical Telemetry Specification for subsea, oceanographic, ROV, seismic and offshore applications.

Dimensions, tensile load & weights
Order designation	Configuration	Core / stranding	Outer Ø ≈ mm	Net weight ≈ kg/km	Breaking / tensile kN ≈	Min. bend R mm
Subsea Buoy Telemetry Construction Schedule (−30…+80 °C)
Subsea Buoy Telemetry 4Pr / 8Ch	4×2×24–20 AWG (or 8-Ch Array)	Stranded SnCu + Foil/Braid + Aramid	11.2	175	12.5	90
Subsea Buoy Telemetry 8Pr / 16Ch	8×2×22–18 AWG (or 16-Ch Array)	Stranded SnCu + Foil/Braid + Aramid	16.4	340	24.0	130
Subsea Buoy Telemetry 16Pr / 24Ch	16×2×18–16 AWG (or 24-Ch Array)	Stranded SnCu + Foil/Braid + Aramid	24.8	690	35.0	195

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 breaking loads and continuous winch/seabed lengths available per 300–1,000 V Subsea Data Buoy Mooring Power, Signal & Optical Telemetry Specification.

Electrical, optical & thermal parameters
Configuration	Max. DC R₂₀ / Atten. Ω/km or dB/km	Rating / Impedance	Operating temp.
4×2×24–20 AWG (or 8-Ch Array)	42.00	300 V – 1,000 V (≤55 nF/km)	−30…+80 °C
8×2×22–18 AWG (or 16-Ch Array)	26.00	300 V – 1,000 V (≤60 nF/km)	−30…+80 °C
16×2×18–16 AWG (or 24-Ch Array)	15.20	300 V – 1,000 V (≤65 nF/km)	−30…+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, optical OTDR continuity & dimensional verification (300–1,000 V Subsea Data Buoy Mooring Power, Signal & Optical Telemetry Specification)	DC resistance at 20 °C / optical attenuation and outer diameter within 300–1,000 V Subsea Data Buoy Mooring Power, Signal & Optical Telemetry Specification tolerances	Every manufactured drum length
High-voltage dielectric & insulation resistance test (300–1,000 V Subsea Data Buoy Mooring Power, Signal & Optical Telemetry Specification)	Zero dielectric breakdown and verified insulation resistance for 300 V – 1,000 V rating	Every manufactured drum length
Sample tests
Hydrostatic pressure, tensile breaking load & water-blocking qualification (300–1,000 V Subsea Data Buoy Mooring Power, Signal & Optical Telemetry Specification)	Verified subsea pressure integrity, torque-balanced tensile performance and thermal stability across −30…+80 °C	Type qualification & periodic lot audit

Inspection certificate

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

Product approvals

Subsea Buoy Mooring Telemetry 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 Subsea Buoy Telemetry Subsea Buoy Mooring Telemetry 300 V – 1,000 V CE

Delivery form: Heavy-duty export fumigated wooden drums, steel oceanographic winch reels or submarine turntables
Standard lengths: 500 m, 1,000 m, 3,000 m, 6,000 m or custom continuous subsea lengths
MOQ: 100 m (standard configurations) · 500 m (custom subsea builds)
Lead time: 2–6 weeks ex-works
Incoterms: EXW, FCA, FOB, CIF, DAP

Technical documents

Downloads

PDF300–1,000 V Subsea Data Buoy Mooring & Seabed Station Electro-Optical – technical datasheet3 sizes · construction, technical data, approvals XLSXSubsea Buoy Telemetry spec data (Excel)All 3 sizes with dimensions and data, for your BOM or quotation

Revision: 2026-10-26
Updated: 2026-10-26

FAQ

Questions engineers ask first

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

What governing standard and construction define Subsea Buoy Telemetry (300–1,000 V Subsea Data Buoy Mooring & Seabed Station Electro-Optical Telemetry Cable)?

Subsea Buoy Telemetry (300–1,000 V Subsea Data Buoy Mooring & Seabed Station Electro-Optical Telemetry Cable) is manufactured in accordance with 300–1,000 V Subsea Data Buoy Mooring Power, Signal & Optical Telemetry Specification for 300 V – 1,000 V service over -30 to +80 °C. Its 4-layer construction comprises central optical / coaxial telemetry unit, tinned copper power & shielded pairs and hydrolysis-resistant yellow pur jacket.

What is the minimum bending radius and operating temperature range for Subsea Buoy Telemetry?

The minimum bending radius for Subsea Buoy Telemetry is 10 × OD across its continuous operating temperature range of -30 to +80 °C, ensuring mechanical, hydrostatic and dielectric reliability in subsea and offshore service.

How are the concentric layers of Subsea Buoy Telemetry arranged from inside to outside?

From inside to outside, the construction sequence is: (01) Central Optical / Coaxial Telemetry Unit — Hermetic optical tube or coaxial unit for real-time buoy data; (02) Tinned Copper Power & Shielded Pairs — PE/XLPE/PP insulated power cores and foil-screened twisted pairs; (03) Aramid / UHMWPE Mooring Strength Braid — High-modulus synthetic fiber braid withstanding wave & current tension; (04) Hydrolysis-Resistant Yellow PUR Jacket — Long-life marine polyurethane outer sheath for buoy moorings.

What factory test certificates are supplied with Subsea Buoy Telemetry?

Every production drum of Subsea Buoy Telemetry undergoes routine conductor resistance/OTDR continuity, high-voltage dielectric and dimensional testing per 300–1,000 V Subsea Data Buoy Mooring Power, Signal & Optical Telemetry Specification, and is delivered with an EN 10204 3.1 factory test certificate.

Request a quote

Get an engineering quote for Subsea Buoy Telemetry

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

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

300–1,000 V Subsea Data Buoy Mooring & Seabed Station Electro-Optical Telemetry Cable

Selected sizes:


Reel & motion:
- Reel type: 
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