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Product

subsea umbilical, ROV tether & oceanographic tow cable Towed PAM Acoustic Array48 V DC / 300 V (-30 to +80 °C)Heavy-Duty Orange Polyurethane (PUR)

48 V DC / 300 V 4–6 Channel Towed Passive Acoustic Monitoring (PAM) Marine Hydrophone Array CableTowed PAM Acoustic Array — 48 V DC / 300 V — -30 to +80 °C Subsea & Offshore Cable

48 V DC / 300 V 4–6 Channel Towed Passive Acoustic Monitoring (PAM) Marine Hydrophone Array Cable (Towed PAM Acoustic Array) engineered for 48 V DC / 300 V service across -30 to +80 °C (min. bend radius 8 × OD).

Water-resistant

EMC screen

Oil-resistant

Approved

Configuration

Order designation: Towed PAM Array 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: 48 V DC / 300 V
Operating temp.: −30…+80 °C
Min. bend radius: 8 × OD
Core / conductor: Low-Noise Shield
Outer protection: Heavy-Duty Orang
Standard: Towed PAM Acoust

Typical values for this cable type, based on Towed Passive Acoustic Monitoring (PAM) 4–6 Ch + Depth Sensor Aramid PUR Specification — confirmed in the datasheet and quotation for your order.

Application fit

Is Towed PAM Array 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: Towed PAM Array (Towed Passive Acoustic Monitoring (PAM) 4–6 Ch + Depth Sensor Aramid PUR Specification) featuring low-noise shielded hydrophone channels (4-6 pr), depth sensor & array power conductors and heavy-duty orange polyurethane (pur) jacket (4-layer construction).

Schematic, not to scale — generated from the layer data

#	Layer	Material & reference
1	Low-Noise Shielded Hydrophone Channels (	Individually shielded polyolefin twisted pairs for broadband PAM
2	Depth Sensor & Array Power Conductors	Stranded tinned copper cores for depth transducer and preamplifiers
3	Aramid Tensile Strength Reinforcement	Braided aramid strength member for 230 m tow & 25 m array sections
4	Heavy-Duty Orange Polyurethane (PUR) Jac	High-visibility acoustically transparent PUR outer sheath

Towed PAM Array — Standard Subsea & Offshore Execution

Built to Towed Passive Acoustic Monitoring (PAM) 4–6 Ch + Depth Sensor Aramid PUR Specification with low-noise shielded hydrophone channels (4-6 pr) and heavy-duty orange polyurethane (pur) jacket

Towed PAM Array — Custom Continuous Winch / Reel Length

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

Towed PAM Array — 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 Towed Passive Acoustic Monitoring (PAM) 4–6 Ch + Depth Sensor Aramid PUR Specification. Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage / transmission duty: 48 V DC / 300 V (Towed Passive Acoustic Monitoring (PAM) 4–6 Ch + Depth Sensor Aramid PUR Specification)
Core / conductor construction: Low-Noise Shielded Hydrophone Channels (4-6 Pr) — Individually shielded polyolefin twisted pairs for broadband PAM
Primary dielectric / buffering: Depth Sensor & Array Power Conductors — Stranded tinned copper cores for depth transducer and preamplifiers

Thermal

Continuous operating temperature: −30…+80 °C (subsea & offshore duty)
Hydrostatic & thermal stability: Verified thermal and hydrostatic stability per Towed Passive Acoustic Monitoring (PAM) 4–6 Ch + Depth Sensor Aramid PUR Specification
Storage & transport temperature: −40…+80 °C on export wooden/steel winch reel

Mechanical

Outer protection / armouring: Heavy-Duty Orange Polyurethane (PUR) Jacket — High-visibility acoustically transparent PUR outer sheath
Minimum bending radius: 8 × OD
Armour, strength member & mechanical duty: Aramid Tensile Strength Reinforcement — Braided aramid strength member for 230 m tow & 25 m array sections

Resistance

Seawater, hydrostatic & hydrolysis resistance: Engineered for continuous seawater immersion, pressure cycling and hydrolysis resistance per Towed Passive Acoustic Monitoring (PAM) 4–6 Ch + Depth Sensor Aramid PUR Specification
Oil, drilling mud & abrasion resistance: Resistant to marine hydraulic oils, salt mist, winch sheave wear and seabed abrasion per Towed Passive Acoustic Monitoring (PAM) 4–6 Ch + Depth Sensor Aramid PUR Specification
RoHS & REACH compliance: RoHS 2 (2011/65/EU + 2015/863) & REACH SVHC compliant

Reference standards

Governing standard: Towed Passive Acoustic Monitoring (PAM) 4–6 Ch + Depth Sensor Aramid 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: Towed PAM Array
Sheath colour & metre marking: Continuous metre-marked black outer finish (Heavy-Duty Orang)
Customs tariff (HS): 8544.49 / 8544.60 / 8544.70

Sizes

3 standard Towed PAM Array subsea & offshore configurations

Manufactured to Towed Passive Acoustic Monitoring (PAM) 4–6 Ch + Depth Sensor Aramid 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
Towed PAM Array Construction Schedule (−30…+80 °C)
Towed PAM Array 4Pr / 8Ch	4×2×24–20 AWG (or 8-Ch Array)	Stranded SnCu + Foil/Braid + Aramid	11.2	175	12.5	90
Towed PAM Array 8Pr / 16Ch	8×2×22–18 AWG (or 16-Ch Array)	Stranded SnCu + Foil/Braid + Aramid	16.4	340	24.0	130
Towed PAM Array 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 Towed Passive Acoustic Monitoring (PAM) 4–6 Ch + Depth Sensor Aramid PUR 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	48 V DC / 300 V (≤55 nF/km)	−30…+80 °C
8×2×22–18 AWG (or 16-Ch Array)	26.00	48 V DC / 300 V (≤60 nF/km)	−30…+80 °C
16×2×18–16 AWG (or 24-Ch Array)	15.20	48 V DC / 300 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 (Towed Passive Acoustic Monitoring (PAM) 4–6 Ch + Depth Sensor Aramid PUR Specification)	DC resistance at 20 °C / optical attenuation and outer diameter within Towed Passive Acoustic Monitoring (PAM) 4–6 Ch + Depth Sensor Aramid PUR Specification tolerances	Every manufactured drum length
High-voltage dielectric & insulation resistance test (Towed Passive Acoustic Monitoring (PAM) 4–6 Ch + Depth Sensor Aramid PUR Specification)	Zero dielectric breakdown and verified insulation resistance for 48 V DC / 300 V rating	Every manufactured drum length
Sample tests
Hydrostatic pressure, tensile breaking load & water-blocking qualification (Towed Passive Acoustic Monitoring (PAM) 4–6 Ch + Depth Sensor Aramid 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

Towed PAM Acoustic 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 Towed PAM Array Towed PAM Acoustic Array 48 V DC / 300 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

PDF48 V DC / 300 V 4–6 Channel Towed Passive Acoustic Monitoring (PAM) Ma – technical datasheet3 sizes · construction, technical data, approvals XLSXTowed PAM Array 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 Towed PAM Array (48 V DC / 300 V 4–6 Channel Towed Passive Acoustic Monitoring (PAM) Marine Hydrophone Array Cable)?

Towed PAM Array (48 V DC / 300 V 4–6 Channel Towed Passive Acoustic Monitoring (PAM) Marine Hydrophone Array Cable) is manufactured in accordance with Towed Passive Acoustic Monitoring (PAM) 4–6 Ch + Depth Sensor Aramid PUR Specification for 48 V DC / 300 V service over -30 to +80 °C. Its 4-layer construction comprises low-noise shielded hydrophone channels (4-6 pr), depth sensor & array power conductors and heavy-duty orange polyurethane (pur) jacket.

What is the minimum bending radius and operating temperature range for Towed PAM Array?

The minimum bending radius for Towed PAM Array is 8 × 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 Towed PAM Array arranged from inside to outside?

From inside to outside, the construction sequence is: (01) Low-Noise Shielded Hydrophone Channels (4-6 Pr) — Individually shielded polyolefin twisted pairs for broadband PAM; (02) Depth Sensor & Array Power Conductors — Stranded tinned copper cores for depth transducer and preamplifiers; (03) Aramid Tensile Strength Reinforcement — Braided aramid strength member for 230 m tow & 25 m array sections; (04) Heavy-Duty Orange Polyurethane (PUR) Jacket — High-visibility acoustically transparent PUR outer sheath.

What factory test certificates are supplied with Towed PAM Array?

Every production drum of Towed PAM Array undergoes routine conductor resistance/OTDR continuity, high-voltage dielectric and dimensional testing per Towed Passive Acoustic Monitoring (PAM) 4–6 Ch + Depth Sensor Aramid PUR Specification, 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

48 V DC / 300 V 4–6 Channel Towed Passive Acoustic Monitoring (PAM) Marine Hydrophone Array Cable

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