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Product

subsea ROV umbilical, AUV tether & sonar tow cable DNV-ST-E402 / MIL-C-171,000 V (-40 to +80 °C)Double Torque-Balanced Steel Wire Ar

1SSA13 Heavy-Duty Armoured Coax Tow CableDNV-ST-E402 / MIL-C-17 — 1,000 V — -40 to +80 °C Subsea & Marine Cable

1SSA13 Heavy-Duty Armoured Coax Tow Cable featuring coaxial center conductor and double torque-balanced steel wire armour (DNV-ST-E402 / MIL-C-17, 1,000 V, -40 to +80 °C, min. bend radius 12 × OD).

Water-resistant

EMC screen

Outdoor & humid

Approved

Configuration

Order designation: 1SSA13 Heavy Armoured Coax Tow RG59/75Ω + 4C
Outer Ø ≈: 10.8 mm
Net weight ≈: 165 kg/km
Max. pulling ≈: 8.5 kN
Core / stranding: SnCu Center + Foam PE + TCWB + Subsea 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: 1,000 V
Operating temp.: −40…+80 °C
Min. bend radius: 12 × OD
Core / conductor: Coaxial Center C
Outer protection: Double Torque-Ba
Standard: DNV-ST-E402 / MI

Typical values for this cable type, based on DNV-ST-E402 1SSA13 Heavy-Duty Double-Armoured Coax Subsea Tow Specification — confirmed in the datasheet and quotation for your order.

Application fit

Is 1SSA13 Heavy Armoured Coax Tow right for your machine?

1SSA13 Heavy-Duty Armoured Coax Tow Cable featuring coaxial center conductor and double torque-balanced steel wire armour (DNV-ST-E402 / MIL-C-17, 1,000 V, -40 to +80 °C, min. bend radius 12 × OD).

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: 1SSA13 Heavy Armoured Coax Tow (DNV-ST-E402 1SSA13 Heavy-Duty Double-Armoured Coax Subsea Tow Specification) featuring coaxial center conductor, low-loss coaxial dielectric & braid shield and double torque-balanced steel wire armour (4-layer construction).

1SSA13 Heavy Armoured Coax Tow — stepped horizontal cutaway showing Coaxial Center Conductor and Double Torque-Balance — Layer cutaway

#	Layer	Material & reference
1	Coaxial Center Conductor	High-conductivity stranded copper (or steel-core on CB 1900) center conductor
2	Low-Loss Coaxial Dielectric & Braid Shie	High-density polyethylene (HDPE / PE) core insulation + braided copper outer conductor
3	Copper Wire Braid EMC Screen	High-coverage braided copper shield for EMI/VFD protection
4	Double Torque-Balanced Steel Wire Armour	Contra-helical high-tensile galvanized steel wire armour

1SSA13 Heavy Armoured Coax Tow — Standard Subsea & Marine Execution

Built to DNV-ST-E402 1SSA13 Heavy-Duty Double-Armoured Coax Subsea Tow Specification with coaxial center conductor and double torque-balanced steel wire armour

1SSA13 Heavy Armoured Coax Tow — Custom Winch Length / Molded Termination

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

1SSA13 Heavy Armoured Coax Tow — 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 DNV-ST-E402 1SSA13 Heavy-Duty Double-Armoured Coax Subsea Tow Specification. Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage / operating system: 1,000 V (DNV-ST-E402 1SSA13 Heavy-Duty Double-Armoured Coax Subsea Tow Specification)
Core / conductor construction: Coaxial Center Conductor — High-conductivity stranded copper (or steel-core on CB 1900) center conductor
Primary dielectric / optical buffer: Low-Loss Coaxial Dielectric & Braid Shield — High-density polyethylene (HDPE / PE) core insulation + braided copper outer conductor

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 DNV-ST-E402 1SSA13 Heavy-Duty Double-Armoured Coax Subsea Tow Specification
Storage & transport temperature: −40…+80 °C on export wooden/steel cable drum

Mechanical

Outer jacket / sheath protection: Double Torque-Balanced Steel Wire Armour — Contra-helical high-tensile galvanized steel wire armour
Minimum bending radius: 12 × OD
Reinforcement / screen / bedding layer: Copper Wire Braid EMC Screen — High-coverage braided copper shield for EMI/VFD protection

Resistance

Seawater, hydrolysis & oil resistance: Resistant to permanent seawater immersion, hydrolysis, hydraulic oil and bio-fouling per DNV-ST-E402 1SSA13 Heavy-Duty Double-Armoured Coax Subsea Tow Specification
Hydrostatic pressure & water blocking: Radial and longitudinal water-blocking integrity verified per DNV-ST-E402 1SSA13 Heavy-Duty Double-Armoured Coax Subsea Tow Specification
RoHS & REACH compliance: RoHS 2 (2011/65/EU + 2015/863) & REACH SVHC compliant

Reference standards

Governing standard: DNV-ST-E402 1SSA13 Heavy-Duty Double-Armoured Coax Subsea Tow 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: 1SSA13 Heavy Armoured Coax Tow
Sheath colour & metre marking: Continuous metre-marked black outer finish (Double Torque-Ba)
Customs tariff (HS): 8544.49 / 8544.60 / 8544.70

Sizes

3 standard 1SSA13 Heavy Armoured Coax Tow configurations

Manufactured to DNV-ST-E402 1SSA13 Heavy-Duty Double-Armoured Coax Subsea Tow 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
1SSA13 Heavy Armoured Coax Tow Construction Schedule (−40…+80 °C)
1SSA13 Heavy Armoured Coax Tow RG59/75Ω + 4C	1×75 Ω Coax + 4×0.75 mm² (18 AWG)	SnCu Center + Foam PE + TCWB + Subsea PUR	10.8	165	8.5	65
1SSA13 Heavy Armoured Coax Tow RG213/50Ω + 6C	1×50/75 Ω Coax + 6×1.5 mm² + 1×TP	SnCu + Dual Braid Shield + Aramid/GSWA	14.4	340	22.0	90
1SSA13 Heavy Armoured Coax Tow 3×Coax + 6C	3×75 Ω Video Coax + 6×1.5 mm² Power	Multi-Coax Bundle + Armour + Subsea Jacket	18.6	620	48.0	125

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 DNV-ST-E402 1SSA13 Heavy-Duty Double-Armoured Coax Subsea Tow Specification.

Electrical, optical & thermal parameters
Configuration	Max. DC R₂₀ Ω/km	Rating / Impedance / Load	Operating temp.
1×75 Ω Coax + 4×0.75 mm² (18 AWG)	26.00	1,000 V · 75 Ω ±3 Ω	−40…+80 °C
1×50/75 Ω Coax + 6×1.5 mm² + 1×TP	13.30	1,000 V · 50/75 Ω Sonar	−40…+80 °C
3×75 Ω Video Coax + 6×1.5 mm² Power	13.30	1,000 V · 3-Ch 75 Ω Coax	−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 (DNV-ST-E402 1SSA13 Heavy-Duty Double-Armoured Coax Subsea Tow Specification)	DC resistance at 20 °C, optical attenuation and wall thickness within DNV-ST-E402 1SSA13 Heavy-Duty Double-Armoured Coax Subsea Tow Specification limits	Every manufactured drum length
AC high-voltage dielectric & insulation resistance test (DNV-ST-E402 1SSA13 Heavy-Duty Double-Armoured Coax Subsea Tow Specification)	Zero dielectric breakdown and verified wet insulation resistance for 1,000 V rating	Every manufactured drum length
Sample tests
Hydrostatic pressure, tensile load & seawater immersion qualification (DNV-ST-E402 1SSA13 Heavy-Duty Double-Armoured Coax Subsea Tow 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

DNV-ST-E402 / MIL-C-17 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 1SSA13 Heavy Armoured Coax Tow DNV-ST-E402 / MIL-C-17 1,000 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

PDF1SSA13 Heavy-Duty Armoured Coax Tow Cable – technical datasheet3 sizes · construction, technical data, approvals XLSX1SSA13 Heavy Armoured Coax Tow 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 1SSA13 Heavy Armoured Coax Tow (1SSA13 Heavy-Duty Armoured Coax Tow Cable)?

1SSA13 Heavy Armoured Coax Tow (1SSA13 Heavy-Duty Armoured Coax Tow Cable) is manufactured in accordance with DNV-ST-E402 1SSA13 Heavy-Duty Double-Armoured Coax Subsea Tow Specification for 1,000 V subsea,ROV and marine aquaculture service over -40 to +80 °C. Its 4-layer construction comprises coaxial center conductor, low-loss coaxial dielectric & braid shield and double torque-balanced steel wire armour.

What is the minimum bending radius and operating temperature range for 1SSA13 Heavy Armoured Coax Tow?

The minimum bending radius for 1SSA13 Heavy Armoured Coax Tow is 12 × 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 1SSA13 Heavy Armoured Coax Tow arranged from inside to outside?

From inside to outside, the construction sequence is: (01) Coaxial Center Conductor — High-conductivity stranded copper (or steel-core on CB 1900) center conductor; (02) Low-Loss Coaxial Dielectric & Braid Shield — High-density polyethylene (HDPE / PE) core insulation + braided copper outer conductor; (03) Copper Wire Braid EMC Screen — High-coverage braided copper shield for EMI/VFD protection; (04) Double Torque-Balanced Steel Wire Armour — Contra-helical high-tensile galvanized steel wire armour.

What factory test certificates are supplied with 1SSA13 Heavy Armoured Coax Tow?

Every production drum of 1SSA13 Heavy Armoured Coax Tow undergoes routine conductor DC resistance / optical OTDR continuity, AC high-voltage dielectric and dimensional testing per DNV-ST-E402 1SSA13 Heavy-Duty Double-Armoured Coax Subsea Tow Specification, and is delivered with an EN 10204 3.1 factory test certificate.

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1SSA13 Heavy-Duty Armoured Coax Tow Cable

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