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Product

2,000–2,500 m deep-sea neutrino telescope & seismic array cable2,000–2,500 m (260 bar)21×SMF SS Tubes + 600 VAramid Deep-Sea Array

REF 50580 & REF 39465 2,500m Subsea Neutrino Telescope & Seismic Cable260 bar Deep-Sea · 600 V · 2,000–2,500 m deep-sea neutrino telescope & seismic array cable

REF 50580 (2,500m 21-SMF SS-Tube + 9×1mm² XLPE Aramid-Braided Neutrino-Telescope Cable) & REF 39465 (2,000m 120-Ohm Shielded-Pair Aramid-Braided Seismic Detection Cable) (260 bar Deep-Sea, 600 V, -20 °C to +70 °C).

Water-resistant

EMC screen

Anti-torsion braid

Oil-resistant

Configuration

Order designation: REF 50580 Config A (Compact)
Outer Ø ≈: 10.4 mm
Net weight ≈: 155 kg/km
Tensile rating ≈: 4.5 kN
Core / stranding: Stranded tinned Cu (IEC 60228 / ASTM)

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.: −20…+70 °C
Min. bend radius: 12 × OD
Core / conductor: 3×7 SMF
Outer protection: Aramid+PUR/HDPE
Standard: 260 bar Deep-Sea

Typical values for this cable type, based on ITU-T G.652.D / 260 bar (2,500 m) Neutrino & Seismic Standard — confirmed in the datasheet and quotation for your order.

Application fit

Is REF 50580 & REF 39465 right for your machine?

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: REF 50580 & REF 39465 (ITU-T G.652.D / 260 bar (2,500 m) Neutrino & Seismic Standard) featuring stainless-steel optical tubes (3×7 smf), 600 v power / seismic cores (9×1.0 mm²) and subsea pur / hdpe outer sheath (ø30 mm) (5-layer construction).

Schematic, not to scale — generated from the layer data

#	Layer	Material & reference
1	Stainless-Steel Optical Tubes (3×7 SMF)	21 single-mode 9/125 µm (200 kpsi) fibres in 3 stainless-steel loose tubes (260 bar)
2	600 V Power / Seismic Cores (9×1.0 mm²)	9×1.0 mm² XLPE cores (REF 50580) or 2×120 Ω pairs + 1×1.5 pair + 3 Cu ballast (REF 39465)
3	Silicone Water-Blocking & PE Inner Sheath	Silicone compound interstitial filling + extruded polyethylene (PE) inner sheath
4	Aramid Fibre Strength Braid (18,000 daN)	High-tenacity aramid fibre braid rated for 18,000 daN (REF 50580) / 10,000 daN (REF 39465)
5	Subsea PUR / HDPE Outer Sheath (Ø30 mm)	Black polyurethane (REF 50580) or HDPE (REF 39465) outer jacket for 2,000–2,500 m depth

REF 50580 & REF 39465 — Standard Subsea & Marine Execution

Built to ITU-T G.652.D / 260 bar (2,500 m) Neutrino & Seismic Standard with stainless-steel optical tubes (3×7 smf) and subsea pur / hdpe outer sheath (ø30 mm)

REF 50580 & REF 39465 — Custom Drum Length & Termination Kit

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

REF 50580 & REF 39465 — 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 ITU-T G.652.D / 260 bar (2,500 m) Neutrino & Seismic Standard. Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage / transmission duty: 600 V (ITU-T G.652.D / 260 bar (2,500 m) Neutrino & Seismic Standard)
Core / conductor construction: Stainless-Steel Optical Tubes (3×7 SMF) — 21 single-mode 9/125 µm (200 kpsi) fibres in 3 stainless-steel loose tubes (260 bar)
Primary dielectric / buffering: 600 V Power / Seismic Cores (9×1.0 mm²) — 9×1.0 mm² XLPE cores (REF 50580) or 2×120 Ω pairs + 1×1.5 pair + 3 Cu ballast (REF 39465)

Thermal

Continuous operating temperature: −20…+70 °C (subsea, marine & submersible duty)
Short-circuit / peak thermal rating: Verified thermal stability per ITU-T G.652.D / 260 bar (2,500 m) Neutrino & Seismic Standard
Storage & transport temperature: −40…+80 °C on export wooden/steel drum

Mechanical

Outer protection / armouring: Subsea PUR / HDPE Outer Sheath (Ø30 mm) — Black polyurethane (REF 50580) or HDPE (REF 39465) outer jacket for 2,000–2,500 m depth
Minimum bending radius: 12 × OD
Hydrostatic, tensile & crush duty: Aramid Fibre Strength Braid (18,000 daN) — High-tenacity aramid fibre braid rated for 18,000 daN (REF 50580) / 10,000 daN (REF 39465)

Resistance

Hydrostatic pressure & water blocking: Engineered for continuous submersion and hydrostatic integrity per ITU-T G.652.D / 260 bar (2,500 m) Neutrino & Seismic Standard
Seawater, oil & chemical resistance: Resistant to seawater hydrolysis, hydraulic oils and abrasion per ITU-T G.652.D / 260 bar (2,500 m) Neutrino & Seismic Standard
RoHS & REACH compliance: RoHS 2 (2011/65/EU + 2015/863) & REACH SVHC compliant

Reference standards

Governing standard: ITU-T G.652.D / 260 bar (2,500 m) Neutrino & Seismic Standard
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: REF 50580 & REF 39465
Sheath colour & metre marking: Continuous metre-marked black outer finish (Aramid + PUR/HDPE (Ø30mm))
Customs tariff (HS): 8544.49 / 8544.60 / 8544.70

Sizes

3 standard REF 50580 & REF 39465 subsea & marine configurations

Manufactured to ITU-T G.652.D / 260 bar (2,500 m) Neutrino & Seismic Standard 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
REF 50580 & REF 39465 Construction Schedule (−20…+70 °C)
REF 50580 Config A (Compact)	4×2×24 AWG + 2×18 AWG (or 4C)	Stranded tinned Cu (IEC 60228 / ASTM)	10.4	155	4.5	85
REF 50580 Config B (Standard)	4×2×20 AWG + 4×16 AWG (or 8C)	Stranded tinned Cu (IEC 60228 / ASTM)	13.3	265	9.6	110
REF 50580 Config C (Heavy Hybrid)	8×2×20 AWG + 4×12 AWG (or 12C)	Stranded tinned Cu (IEC 60228 / ASTM)	16.6	420	18.5	140

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 ITU-T G.652.D / 260 bar (2,500 m) Neutrino & Seismic Standard.

Electrical, optical & thermal parameters
Configuration	Max. DC R₂₀ / Atten. Ω/km or dB/km	Rating / Impedance	Operating temp.
4×2×24 AWG + 2×18 AWG (or 4C)	28.40	600 V (45–100 Ω data)	−20…+70 °C
4×2×20 AWG + 4×16 AWG (or 8C)	10.70	600 V (45–100 Ω data)	−20…+70 °C
8×2×20 AWG + 4×12 AWG (or 12C)	5.40	600 V (High-Power Hybrid)	−20…+70 °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 (ITU-T G.652.D / 260 bar (2,500 m) Neutrino & Seismic Standard)	DC resistance at 20 °C / optical attenuation and outer diameter within ITU-T G.652.D / 260 bar (2,500 m) Neutrino & Seismic Standard tolerances	Every manufactured drum length
High-voltage dielectric & insulation resistance test (ITU-T G.652.D / 260 bar (2,500 m) Neutrino & Seismic Standard)	Zero dielectric breakdown and verified insulation resistance for 600 V rating	Every manufactured drum length
Sample tests
Hydrostatic pressure, water-blocking & mechanical endurance qualification (ITU-T G.652.D / 260 bar (2,500 m) Neutrino & Seismic Standard)	Verified submersion integrity, tensile load and thermal stability across −20…+70 °C	Type qualification & periodic lot audit

Inspection certificate

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

Product approvals

260 bar Deep-Sea 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 REF 50580 & REF 39465 260 bar Deep-Sea 600 V 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

PDFREF 50580 & REF 39465 2,500m Subsea Neutrino Telescope & Seismic Cable – technical datasheet3 sizes · construction, technical data, approvals XLSXREF 50580 & REF 39465 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 REF 50580 & REF 39465 (REF 50580 & REF 39465 2,500m Subsea Neutrino Telescope & Seismic Cable)?

REF 50580 & REF 39465 (REF 50580 & REF 39465 2,500m Subsea Neutrino Telescope & Seismic Cable) is manufactured in accordance with ITU-T G.652.D / 260 bar (2,500 m) Neutrino & Seismic Standard for 600 V service over -20 °C to +70 °C. Its 5-layer construction comprises stainless-steel optical tubes (3×7 smf), 600 v power / seismic cores (9×1.0 mm²) and subsea pur / hdpe outer sheath (ø30 mm).

What is the minimum bending radius and operating temperature range for REF 50580 & REF 39465?

The minimum bending radius for REF 50580 & REF 39465 is 12 × OD across its continuous operating temperature range of -20 °C to +70 °C, ensuring mechanical and dielectric reliability in subsea, marine and submersible service.

How are the concentric layers of REF 50580 & REF 39465 arranged from inside to outside?

From inside to outside, the construction sequence is: (01) Stainless-Steel Optical Tubes (3×7 SMF) — 21 single-mode 9/125 µm (200 kpsi) fibres in 3 stainless-steel loose tubes (260 bar); (02) 600 V Power / Seismic Cores (9×1.0 mm²) — 9×1.0 mm² XLPE cores (REF 50580) or 2×120 Ω pairs + 1×1.5 pair + 3 Cu ballast (REF 39465); (03) Silicone Water-Blocking & PE Inner Sheath — Silicone compound interstitial filling + extruded polyethylene (PE) inner sheath; (04) Aramid Fibre Strength Braid (18,000 daN) — High-tenacity aramid fibre braid rated for 18,000 daN (REF 50580) / 10,000 daN (REF 39465); (05) Subsea PUR / HDPE Outer Sheath (Ø30 mm) — Black polyurethane (REF 50580) or HDPE (REF 39465) outer jacket for 2,000–2,500 m depth.

What factory test certificates are supplied with REF 50580 & REF 39465?

Every production drum of REF 50580 & REF 39465 undergoes routine conductor resistance/continuity, high-voltage dielectric and dimensional testing per ITU-T G.652.D / 260 bar (2,500 m) Neutrino & Seismic Standard, and is delivered with an EN 10204 3.1 factory test certificate.

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01Selected sizes

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03Message for our engineers

REF 50580 & REF 39465 2,500m Subsea Neutrino Telescope & Seismic Cable

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