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Product

subsea umbilical, ROV tether & oceanographic tow cable Armoured OBC Seabed Array300 V – 600 V (-30 to +80 °C)Heavy-Duty Polyurethane (PUR) Outer

300–600 V Ocean Bottom Seismic (OBC) Hermetic SS Optical Tube & Double-Armoured Seabed Array CableArmoured OBC Seabed Array — 300 V – 600 V — -30 to +80 °C Subsea & Offshore Cable

300–600 V Ocean Bottom Seismic (OBC) Hermetic SS Optical Tube & Double-Armoured Seabed Array Cable (Armoured OBC Seabed Array) engineered for 300 V – 600 V service across -30 to +80 °C (min. bend radius 12 × OD).

Water-resistant

EMC screen

Oil-resistant

Approved

Configuration

Order designation: OBC Armoured Seismic 4–12F EOM/Sub
Outer Ø ≈: 8.2 mm
Net weight ≈: 260 kg/km
Tensile rating ≈: 48.0 kN
Core / stranding: Laser-welded SS FIMT + Steel/Aramid Armour

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 – 600 V
Operating temp.: −30…+80 °C
Min. bend radius: 12 × OD
Core / conductor: Hermetic Stainle
Outer protection: Heavy-Duty Polyu
Standard: Armoured OBC Sea

Typical values for this cable type, based on 300–600 V Ocean Bottom Seismic (OBC) SS Optical + Power + Double Steel Armour PUR Specification — confirmed in the datasheet and quotation for your order.

Application fit

Is OBC Armoured Seismic 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: OBC Armoured Seismic (300–600 V Ocean Bottom Seismic (OBC) SS Optical + Power + Double Steel Armour PUR Specification) featuring hermetic stainless-steel optical unit, tinned copper power & signal pairs and heavy-duty polyurethane (pur) outer sheath (4-layer construction).

Schematic, not to scale — generated from the layer data

#	Layer	Material & reference
1	Hermetic Stainless-Steel Optical Unit	Laser-welded stainless-steel tube housing single-mode optical fibers
2	Tinned Copper Power & Signal Pairs	HDPE/PP insulated power cores and foil-screened twisted pairs
3	Contra-Helical Galvanized Steel Armour	High-tensile steel wire armour for repeated seabed deployment
4	Heavy-Duty Polyurethane (PUR) Outer Shea	Black abrasion- and cut-resistant polyurethane seabed jacket

OBC Armoured Seismic — Standard Subsea & Offshore Execution

Built to 300–600 V Ocean Bottom Seismic (OBC) SS Optical + Power + Double Steel Armour PUR Specification with hermetic stainless-steel optical unit and heavy-duty polyurethane (pur) outer sheath

OBC Armoured Seismic — Custom Continuous Winch / Reel Length

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

OBC Armoured Seismic — 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 300–600 V Ocean Bottom Seismic (OBC) SS Optical + Power + Double Steel Armour PUR Specification. Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage / transmission duty: 300 V – 600 V (300–600 V Ocean Bottom Seismic (OBC) SS Optical + Power + Double Steel Armour PUR Specification)
Core / conductor construction: Hermetic Stainless-Steel Optical Unit — Laser-welded stainless-steel tube housing single-mode optical fibers
Primary dielectric / buffering: Tinned Copper Power & Signal Pairs — HDPE/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 300–600 V Ocean Bottom Seismic (OBC) SS Optical + Power + Double Steel Armour PUR Specification
Storage & transport temperature: −40…+80 °C on export wooden/steel winch reel

Mechanical

Outer protection / armouring: Heavy-Duty Polyurethane (PUR) Outer Sheath — Black abrasion- and cut-resistant polyurethane seabed jacket
Minimum bending radius: 12 × OD
Armour, strength member & mechanical duty: Contra-Helical Galvanized Steel Armour — High-tensile steel wire armour for repeated seabed deployment

Resistance

Seawater, hydrostatic & hydrolysis resistance: Engineered for continuous seawater immersion, pressure cycling and hydrolysis resistance per 300–600 V Ocean Bottom Seismic (OBC) SS Optical + Power + Double Steel Armour PUR Specification
Oil, drilling mud & abrasion resistance: Resistant to marine hydraulic oils, salt mist, winch sheave wear and seabed abrasion per 300–600 V Ocean Bottom Seismic (OBC) SS Optical + Power + Double Steel Armour PUR Specification
RoHS & REACH compliance: RoHS 2 (2011/65/EU + 2015/863) & REACH SVHC compliant

Reference standards

Governing standard: 300–600 V Ocean Bottom Seismic (OBC) SS Optical + Power + Double Steel Armour PUR 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: OBC Armoured Seismic
Sheath colour & metre marking: Continuous metre-marked black outer finish (Heavy-Duty Polyu)
Customs tariff (HS): 8544.49 / 8544.60 / 8544.70

Sizes

3 standard OBC Armoured Seismic subsea & offshore configurations

Manufactured to 300–600 V Ocean Bottom Seismic (OBC) SS Optical + Power + Double Steel Armour PUR 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
OBC Armoured Seismic Construction Schedule (−30…+80 °C)
OBC Armoured Seismic 4–12F EOM/Sub	4–12 × ITU-T G.652D / G.654E SM (+ Power)	Laser-welded SS FIMT + Steel/Aramid Armour	8.2	260	48.0	125
OBC Armoured Seismic 24–48F EOM/Sub	24–48 × ITU-T G.652D / G.654E SM (+ Power)	Laser-welded SS FIMT + Contra-Helical Steel	17.5	680	120.0	260
OBC Armoured Seismic 96–192F Trunk	96–192 × ITU-T G.654E / G.652D Submarine	SS Tube + Steel Vault + Cu Tube + DA Armour	28.0	1,650	300.0	420

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 300–600 V Ocean Bottom Seismic (OBC) SS Optical + Power + Double Steel Armour PUR Specification.

Electrical, optical & thermal parameters
Configuration	Max. DC R₂₀ / Atten. Ω/km or dB/km	Rating / Impedance	Operating temp.
4–12 × ITU-T G.652D / G.654E SM (+ Power)	0.35	≤0.35 dB/km @ 1310 nm	−30…+80 °C
24–48 × ITU-T G.652D / G.654E SM (+ Power)	0.21	≤0.21 dB/km @ 1550 nm	−30…+80 °C
96–192 × ITU-T G.654E / G.652D Submarine	0.18	≤0.18 dB/km @ 1550 nm	−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 (300–600 V Ocean Bottom Seismic (OBC) SS Optical + Power + Double Steel Armour PUR Specification)	DC resistance at 20 °C / optical attenuation and outer diameter within 300–600 V Ocean Bottom Seismic (OBC) SS Optical + Power + Double Steel Armour PUR Specification tolerances	Every manufactured drum length
High-voltage dielectric & insulation resistance test (300–600 V Ocean Bottom Seismic (OBC) SS Optical + Power + Double Steel Armour PUR Specification)	Zero dielectric breakdown and verified insulation resistance for 300 V – 600 V rating	Every manufactured drum length
Sample tests
Hydrostatic pressure, tensile breaking load & water-blocking qualification (300–600 V Ocean Bottom Seismic (OBC) SS Optical + Power + Double Steel Armour PUR 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

Armoured OBC Seabed Array 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 OBC Armoured Seismic Armoured OBC Seabed Array 300 V – 600 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

PDF300–600 V Ocean Bottom Seismic (OBC) Hermetic SS Optical Tube & Double – technical datasheet3 sizes · construction, technical data, approvals XLSXOBC Armoured Seismic 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 OBC Armoured Seismic (300–600 V Ocean Bottom Seismic (OBC) Hermetic SS Optical Tube & Double-Armoured Seabed Array Cable)?

OBC Armoured Seismic (300–600 V Ocean Bottom Seismic (OBC) Hermetic SS Optical Tube & Double-Armoured Seabed Array Cable) is manufactured in accordance with 300–600 V Ocean Bottom Seismic (OBC) SS Optical + Power + Double Steel Armour PUR Specification for 300 V – 600 V service over -30 to +80 °C. Its 4-layer construction comprises hermetic stainless-steel optical unit, tinned copper power & signal pairs and heavy-duty polyurethane (pur) outer sheath.

What is the minimum bending radius and operating temperature range for OBC Armoured Seismic?

The minimum bending radius for OBC Armoured Seismic is 12 × 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 OBC Armoured Seismic arranged from inside to outside?

From inside to outside, the construction sequence is: (01) Hermetic Stainless-Steel Optical Unit — Laser-welded stainless-steel tube housing single-mode optical fibers; (02) Tinned Copper Power & Signal Pairs — HDPE/PP insulated power cores and foil-screened twisted pairs; (03) Contra-Helical Galvanized Steel Armour — High-tensile steel wire armour for repeated seabed deployment; (04) Heavy-Duty Polyurethane (PUR) Outer Sheath — Black abrasion- and cut-resistant polyurethane seabed jacket.

What factory test certificates are supplied with OBC Armoured Seismic?

Every production drum of OBC Armoured Seismic undergoes routine conductor resistance/OTDR continuity, high-voltage dielectric and dimensional testing per 300–600 V Ocean Bottom Seismic (OBC) SS Optical + Power + Double Steel Armour PUR Specification, and is delivered with an EN 10204 3.1 factory test certificate.

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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

OBC Armoured Seismic 300–600 V Ocean Bottom Seismic (OBC) Hermetic SS Optical Tube & Double-Armoured Seabed Array Cable

Selected sizes:


Reel & motion:
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