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Product

NOAA 0.450" 40 Ω double-armored side-scan sonar coaxial tow cableNOAA 0.450" Sonar Std1,900 VDC / 40 Ω (131 pF/m)71.2 kN Double GIPS

A302799 (NOAA 0.450") 1,900 V 40 Ω Double-Armored Sonar Tow CableNOAA 0.450" Sonar Tow · 1.8/3 kV · Noaa 0.450" 40 ω double-armored side-scan sonar

A302799 (0.450" 40-Ohm) HDPE-Insulated Double-Armored Side-Scan Sonar & Oceanographic Coaxial Tow Cable (NOAA 0.450" Sonar Tow, 1.8/3 kV, -40 °C to +80 °C, min. bend radius 12 × OD).

Water-resistant

Anti-torsion braid

EMC screen

Outdoor & humid

Configuration

Order designation: A302799 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: 1.8/3 kV
Operating temp.: −40…+80 °C
Min. bend radius: 12 × OD
Core / conductor: 14 AWG Cu
Outer protection: 24+24 GIPS
Standard: NOAA 0.450"

Typical values for this cable type, based on NOAA Standard 0.450" (11.43 mm) 40 Ω Side-Scan Sonar Tow — confirmed in the datasheet and quotation for your order.

Application fit

Is A302799 right for your machine?

A302799 (0.450" 40-Ohm) HDPE-Insulated Double-Armored Side-Scan Sonar & Oceanographic Coaxial Tow Cable (NOAA 0.450" Sonar Tow, 1.8/3 kV, -40 °C to +80 °C, min. bend radius 12 × OD).

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: A302799 (NOAA Standard 0.450" (11.43 mm) 40 Ω Side-Scan Sonar Tow) featuring center conductor (14 awg bare cu), 40 ω hdpe coaxial dielectric and double gips steel armor (24 + 24 wires) (5-layer construction).

Schematic, not to scale — generated from the layer data

#	Layer	Material & reference
1	Center Conductor (14 AWG Bare Cu)	Stranded bare copper center conductor (Ø 1.73 mm, DCR 9.8 Ω/km)
2	40 Ω HDPE Coaxial Dielectric	Solid high-density polyethylene insulation (Ø 4.52 mm, 1,900 VDC, 131 pF/m)
3	Served Cu Return & Cu/PET Tape	12 AWG equiv. served bare copper wires (Ø 5.16 mm) + copper-polyester tape
4	HDPE Inner Belt Jacket (Ø 7.29 mm)	Extruded high-density polyethylene barrier protecting return conductor
5	Double GIPS Steel Armor (24 + 24 Wires)	Inner 24×0.95 mm + outer 24×1.22 mm contra-helical GIPS wires (71.2 kN MBL)

A302799 — Standard Subsea & Marine Execution

Built to NOAA Standard 0.450" (11.43 mm) 40 Ω Side-Scan Sonar Tow with center conductor (14 awg bare cu) and double gips steel armor (24 + 24 wires)

A302799 — Custom Drum Length & Termination Kit

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

A302799 — 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 NOAA Standard 0.450" (11.43 mm) 40 Ω Side-Scan Sonar Tow. Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage / transmission duty: 1.8/3 kV (NOAA Standard 0.450" (11.43 mm) 40 Ω Side-Scan Sonar Tow)
Core / conductor construction: Center Conductor (14 AWG Bare Cu) — Stranded bare copper center conductor (Ø 1.73 mm, DCR 9.8 Ω/km)
Primary dielectric / buffering: 40 Ω HDPE Coaxial Dielectric — Solid high-density polyethylene insulation (Ø 4.52 mm, 1,900 VDC, 131 pF/m)

Thermal

Continuous operating temperature: −40…+80 °C (subsea, marine & submersible duty)
Short-circuit / peak thermal rating: Verified thermal stability per NOAA Standard 0.450" (11.43 mm) 40 Ω Side-Scan Sonar Tow
Storage & transport temperature: −40…+80 °C on export wooden/steel drum

Mechanical

Outer protection / armouring: Double GIPS Steel Armor (24 + 24 Wires) — Inner 24×0.95 mm + outer 24×1.22 mm contra-helical GIPS wires (71.2 kN MBL)
Minimum bending radius: 12 × OD
Hydrostatic, tensile & crush duty: HDPE Inner Belt Jacket (Ø 7.29 mm) — Extruded high-density polyethylene barrier protecting return conductor

Resistance

Hydrostatic pressure & water blocking: Engineered for continuous submersion and hydrostatic integrity per NOAA Standard 0.450" (11.43 mm) 40 Ω Side-Scan Sonar Tow
Seawater, oil & chemical resistance: Resistant to seawater hydrolysis, hydraulic oils and abrasion per NOAA Standard 0.450" (11.43 mm) 40 Ω Side-Scan Sonar Tow
RoHS & REACH compliance: RoHS 2 (2011/65/EU + 2015/863) & REACH SVHC compliant

Reference standards

Governing standard: NOAA Standard 0.450" (11.43 mm) 40 Ω Side-Scan Sonar Tow
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: A302799
Sheath colour & metre marking: Continuous metre-marked black outer finish (24+24 GIPS (71.2 kN))
Customs tariff (HS): 8544.49 / 8544.60 / 8544.70

Sizes

3 standard A302799 subsea & marine configurations

Manufactured to NOAA Standard 0.450" (11.43 mm) 40 Ω Side-Scan Sonar Tow 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
A302799 Construction Schedule (−40…+80 °C)
A302799 Config A (Compact)	4×2×24 AWG + 2×18 AWG (or 4C)	Stranded tinned Cu (IEC 60228 / ASTM)	10.4	155	4.5	85
A302799 Config B (Standard)	4×2×20 AWG + 4×16 AWG (or 8C)	Stranded tinned Cu (IEC 60228 / ASTM)	13.3	265	9.6	110
A302799 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 NOAA Standard 0.450" (11.43 mm) 40 Ω Side-Scan Sonar Tow.

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	1.8/3 kV (45–100 Ω data)	−40…+80 °C
4×2×20 AWG + 4×16 AWG (or 8C)	10.70	1.8/3 kV (45–100 Ω data)	−40…+80 °C
8×2×20 AWG + 4×12 AWG (or 12C)	5.40	1.8/3 kV (High-Power Hybrid)	−40…+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, continuity & dimensional verification (NOAA Standard 0.450" (11.43 mm) 40 Ω Side-Scan Sonar Tow)	DC resistance at 20 °C / optical attenuation and outer diameter within NOAA Standard 0.450" (11.43 mm) 40 Ω Side-Scan Sonar Tow tolerances	Every manufactured drum length
High-voltage dielectric & insulation resistance test (NOAA Standard 0.450" (11.43 mm) 40 Ω Side-Scan Sonar Tow)	Zero dielectric breakdown and verified insulation resistance for 1.8/3 kV rating	Every manufactured drum length
Sample tests
Hydrostatic pressure, water-blocking & mechanical endurance qualification (NOAA Standard 0.450" (11.43 mm) 40 Ω Side-Scan Sonar Tow)	Verified submersion integrity, tensile load and thermal stability 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

NOAA 0.450" Sonar Tow 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 A302799 NOAA 0.450" Sonar Tow 1.8/3 kV 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

PDFA302799 (NOAA 0.450") 1,900 V 40 Ω Double-Armored Sonar Tow Cable – technical datasheet3 sizes · construction, technical data, approvals XLSXA302799 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 A302799 (A302799 (NOAA 0.450") 1,900 V 40 Ω Double-Armored Sonar Tow Cable)?

A302799 (A302799 (NOAA 0.450") 1,900 V 40 Ω Double-Armored Sonar Tow Cable) is manufactured in accordance with NOAA Standard 0.450" (11.43 mm) 40 Ω Side-Scan Sonar Tow for 1.8/3 kV service over -40 °C to +80 °C. Its 5-layer construction comprises center conductor (14 awg bare cu), 40 ω hdpe coaxial dielectric and double gips steel armor (24 + 24 wires).

What is the minimum bending radius and operating temperature range for A302799?

The minimum bending radius for A302799 is 12 × OD across its continuous operating temperature range of -40 °C to +80 °C, ensuring mechanical and dielectric reliability in subsea, marine and submersible service.

How are the concentric layers of A302799 arranged from inside to outside?

From inside to outside, the construction sequence is: (01) Center Conductor (14 AWG Bare Cu) — Stranded bare copper center conductor (Ø 1.73 mm, DCR 9.8 Ω/km); (02) 40 Ω HDPE Coaxial Dielectric — Solid high-density polyethylene insulation (Ø 4.52 mm, 1,900 VDC, 131 pF/m); (03) Served Cu Return & Cu/PET Tape — 12 AWG equiv. served bare copper wires (Ø 5.16 mm) + copper-polyester tape; (04) HDPE Inner Belt Jacket (Ø 7.29 mm) — Extruded high-density polyethylene barrier protecting return conductor; (05) Double GIPS Steel Armor (24 + 24 Wires) — Inner 24×0.95 mm + outer 24×1.22 mm contra-helical GIPS wires (71.2 kN MBL).

What factory test certificates are supplied with A302799?

Every production drum of A302799 undergoes routine conductor resistance/continuity, high-voltage dielectric and dimensional testing per NOAA Standard 0.450" (11.43 mm) 40 Ω Side-Scan Sonar Tow, 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

A302799 (NOAA 0.450") 1,900 V 40 Ω Double-Armored Sonar Tow Cable

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