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Product

subsea umbilical, ROV tether & oceanographic tow cable SB-45027 / Polar Subsea EM300 V (-40 to +80 °C)Polyurethane (PUR) Outer Sheath

SB-45027 300 V Polar Under-Ice & Hydrographic Array Aramid Electromechanical CableSB-45027 / Polar Subsea EM — 300 V — -40 to +80 °C Subsea & Offshore Cable

SB-45027 300 V Polar Under-Ice & Hydrographic Array Aramid Electromechanical Cable featuring 24 awg stranded bare copper pairs (3×2) and polyurethane (pur) outer sheath (SB-45027 / Polar Subsea EM, 300 V, -40 to +80 °C).

Water-resistant

EMC screen

Oil-resistant

Approved

Configuration

Order designation: SB-45027 E-M 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: 300 V
Operating temp.: −40…+80 °C
Min. bend radius: 8 × OD
Core / conductor: 24 AWG Stranded
Outer protection: Polyurethane (PU
Standard: SB-45027 / Polar

Typical values for this cable type, based on SB-45027 Polar Under-Ice & Hydrographic Aramid-Reinforced EM Cable Specification — confirmed in the datasheet and quotation for your order.

Application fit

Is SB-45027 E-M 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: SB-45027 E-M (SB-45027 Polar Under-Ice & Hydrographic Aramid-Reinforced EM Cable Specification) featuring 24 awg stranded bare copper pairs (3×2), ai/pet foil + copper braid dual shield and polyurethane (pur) outer sheath (4-layer construction).

Schematic, not to scale — generated from the layer data

#	Layer	Material & reference
1	24 AWG Stranded Bare Copper Pairs (3×2)	Three twisted pairs with low-capacitance PE insulation plus drain wire
2	AI/PET Foil + Copper Braid Dual Shield	100% aluminum-polyester tape plus copper wire braid EMC shield
3	Braided Aramid Strength Member	High-tenacity aramid fiber braid for under-ice & mooring tension
4	Polyurethane (PUR) Outer Sheath	Low-temperature and hydrolysis-resistant black PUR jacket

SB-45027 E-M — Standard Subsea & Offshore Execution

Built to SB-45027 Polar Under-Ice & Hydrographic Aramid-Reinforced EM Cable Specification with 24 awg stranded bare copper pairs (3×2) and polyurethane (pur) outer sheath

SB-45027 E-M — Custom Continuous Winch / Reel Length

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

SB-45027 E-M — 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 SB-45027 Polar Under-Ice & Hydrographic Aramid-Reinforced EM Cable Specification. Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage / transmission duty: 300 V (SB-45027 Polar Under-Ice & Hydrographic Aramid-Reinforced EM Cable Specification)
Core / conductor construction: 24 AWG Stranded Bare Copper Pairs (3×2) — Three twisted pairs with low-capacitance PE insulation plus drain wire
Primary dielectric / buffering: AI/PET Foil + Copper Braid Dual Shield — 100% aluminum-polyester tape plus copper wire braid EMC shield

Thermal

Continuous operating temperature: −40…+80 °C (subsea & offshore duty)
Hydrostatic & thermal stability: Verified thermal and hydrostatic stability per SB-45027 Polar Under-Ice & Hydrographic Aramid-Reinforced EM Cable Specification
Storage & transport temperature: −40…+80 °C on export wooden/steel winch reel

Mechanical

Outer protection / armouring: Polyurethane (PUR) Outer Sheath — Low-temperature and hydrolysis-resistant black PUR jacket
Minimum bending radius: 8 × OD
Armour, strength member & mechanical duty: Braided Aramid Strength Member — High-tenacity aramid fiber braid for under-ice & mooring tension

Resistance

Seawater, hydrostatic & hydrolysis resistance: Engineered for continuous seawater immersion, pressure cycling and hydrolysis resistance per SB-45027 Polar Under-Ice & Hydrographic Aramid-Reinforced EM Cable Specification
Oil, drilling mud & abrasion resistance: Resistant to marine hydraulic oils, salt mist, winch sheave wear and seabed abrasion per SB-45027 Polar Under-Ice & Hydrographic Aramid-Reinforced EM Cable Specification
RoHS & REACH compliance: RoHS 2 (2011/65/EU + 2015/863) & REACH SVHC compliant

Reference standards

Governing standard: SB-45027 Polar Under-Ice & Hydrographic Aramid-Reinforced EM Cable 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: SB-45027 E-M
Sheath colour & metre marking: Continuous metre-marked black outer finish (Polyurethane (PU)
Customs tariff (HS): 8544.49 / 8544.60 / 8544.70

Sizes

3 standard SB-45027 E-M subsea & offshore configurations

Manufactured to SB-45027 Polar Under-Ice & Hydrographic Aramid-Reinforced EM Cable 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
SB-45027 E-M Construction Schedule (−40…+80 °C)
SB-45027 E-M 4Pr / 8Ch	4×2×24–20 AWG (or 8-Ch Array)	Stranded SnCu + Foil/Braid + Aramid	11.2	175	12.5	90
SB-45027 E-M 8Pr / 16Ch	8×2×22–18 AWG (or 16-Ch Array)	Stranded SnCu + Foil/Braid + Aramid	16.4	340	24.0	130
SB-45027 E-M 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 SB-45027 Polar Under-Ice & Hydrographic Aramid-Reinforced EM Cable 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	300 V (≤55 nF/km)	−40…+80 °C
8×2×22–18 AWG (or 16-Ch Array)	26.00	300 V (≤60 nF/km)	−40…+80 °C
16×2×18–16 AWG (or 24-Ch Array)	15.20	300 V (≤65 nF/km)	−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, optical OTDR continuity & dimensional verification (SB-45027 Polar Under-Ice & Hydrographic Aramid-Reinforced EM Cable Specification)	DC resistance at 20 °C / optical attenuation and outer diameter within SB-45027 Polar Under-Ice & Hydrographic Aramid-Reinforced EM Cable Specification tolerances	Every manufactured drum length
High-voltage dielectric & insulation resistance test (SB-45027 Polar Under-Ice & Hydrographic Aramid-Reinforced EM Cable Specification)	Zero dielectric breakdown and verified insulation resistance for 300 V rating	Every manufactured drum length
Sample tests
Hydrostatic pressure, tensile breaking load & water-blocking qualification (SB-45027 Polar Under-Ice & Hydrographic Aramid-Reinforced EM Cable Specification)	Verified subsea pressure integrity, torque-balanced tensile performance 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

SB-45027 / Polar Subsea EM 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 SB-45027 E-M SB-45027 / Polar Subsea EM 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

PDFSB-45027 300 V Polar Under-Ice & Hydrographic Array Aramid Electromech – technical datasheet3 sizes · construction, technical data, approvals XLSXSB-45027 E-M 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 SB-45027 E-M (SB-45027 300 V Polar Under-Ice & Hydrographic Array Aramid Electromechanical Cable)?

SB-45027 E-M (SB-45027 300 V Polar Under-Ice & Hydrographic Array Aramid Electromechanical Cable) is manufactured in accordance with SB-45027 Polar Under-Ice & Hydrographic Aramid-Reinforced EM Cable Specification for 300 V service over -40 to +80 °C. Its 4-layer construction comprises 24 awg stranded bare copper pairs (3×2), ai/pet foil + copper braid dual shield and polyurethane (pur) outer sheath.

What is the minimum bending radius and operating temperature range for SB-45027 E-M?

The minimum bending radius for SB-45027 E-M is 8 × OD across its continuous operating temperature range of -40 to +80 °C, ensuring mechanical, hydrostatic and dielectric reliability in subsea and offshore service.

How are the concentric layers of SB-45027 E-M arranged from inside to outside?

From inside to outside, the construction sequence is: (01) 24 AWG Stranded Bare Copper Pairs (3×2) — Three twisted pairs with low-capacitance PE insulation plus drain wire; (02) AI/PET Foil + Copper Braid Dual Shield — 100% aluminum-polyester tape plus copper wire braid EMC shield; (03) Braided Aramid Strength Member — High-tenacity aramid fiber braid for under-ice & mooring tension; (04) Polyurethane (PUR) Outer Sheath — Low-temperature and hydrolysis-resistant black PUR jacket.

What factory test certificates are supplied with SB-45027 E-M?

Every production drum of SB-45027 E-M undergoes routine conductor resistance/OTDR continuity, high-voltage dielectric and dimensional testing per SB-45027 Polar Under-Ice & Hydrographic Aramid-Reinforced EM Cable Specification, and is delivered with an EN 10204 3.1 factory test certificate.

Request a quote

Get an engineering quote for SB-45027 E-M

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

SB-45027 E-M SB-45027 300 V Polar Under-Ice & Hydrographic Array Aramid Electromechanical Cable

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Reel & motion:
- Reel type: 
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- Travel speed (m/min): 
- Max. acceleration: 
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- Destination country: 
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