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Product

EMC-shielded submersible pump & washdown VFD cable UL 1277 TC-ER / NFPA 791,000 V (UL/CSA) (-40 to +90 °C)Subsea / Marine Outer Protective She

FLEX-VFD with Signal Shielded Motor Pump CableUL 1277 TC-ER / NFPA 79 — 1,000 V (UL/CSA) — -40 to +90 °C Subsea & Marine Cable

FLEX-VFD with Signal Shielded Motor Pump Cable featuring power supply conductors (4 cores) and subsea / marine outer protective sheath (UL 1277 TC-ER / NFPA 79, 1,000 V (UL/CSA), -40 to +90 °C, min. bend radius 6 × OD).

Water-resistant

EMC screen

Outdoor & humid

Approved

Configuration

Order designation: FLEX-VFD + Signal 1000V 4G4 / 3×4+3G0.75
Outer Ø ≈: 14.6 mm
Net weight ≈: 365 kg/km
Max. pulling ≈: 3.8 kN
Core / stranding: IEC 60228 Class 5 Cu + Foil/TCWB Shield

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 (UL/CSA)
Operating temp.: −40…+90 °C
Min. bend radius: 6 × OD
Core / conductor: Power Supply Con
Outer protection: Subsea / Marine
Standard: UL 1277 TC-ER /

Typical values for this cable type, based on UL 1277 TC-ER & NFPA 79 VFD Motor + Signal Pair Pump Cable Specification — confirmed in the datasheet and quotation for your order.

Application fit

Is FLEX-VFD + Signal 1000V right for your machine?

VFD inverter to AC motor screened feeder

Suitable

100% aluminum/PET foil plus tinned copper braid shield contains PWM inverter common-mode currents and protects nearby water-quality sensor

Motor stator, traction & converter leads

Suitable

Low-capacitance XLPE or EPR core insulation limits dV/dt reflected-wave voltage spikes on long submersible pump and aerator motor leads.

Immersion & wet locations

Suitable

AD8 submersible EPDM, TPE and ECOLAB-certified jackets resist continuous water immersion, hypochlorite sanitizers and caustic washdown.

Fixed installation

Suitable

Routes through pump caissons, coastal intake stations, hatchery pipe galleries and stainless-steel seafood processing trays.

Vertical / spreader reel

Not suitable

Submersible VFD motor supply cable is not designed as a self-supporting deepwater ROV lift umbilical.

Use RM0037 ROV Lift Umbilical

Typical machinesMarine & Offshore CableVariable-Speed Submersible Aquaculture & Well PumpsRecirculating Aquaculture System (RAS) Circulation DrivesECOLAB / IP69K Seafood Processing Conveyor & Mixer VFDsOffshore Seawater Intake & Desalination Booster Pumps

Construction

Layer by layer

Shown: FLEX-VFD + Signal 1000V (UL 1277 TC-ER & NFPA 79 VFD Motor + Signal Pair Pump Cable Specification) featuring power supply conductors (4 cores), shielded data twisted pairs (4×2) and subsea / marine outer protective sheath (5-layer construction).

FLEX-VFD + Signal 1000V — stepped horizontal cutaway showing Power Supply Conductors (4 Cores) and Subsea / Marine Out — Layer cutaway

#	Layer	Material & reference
1	Power Supply Conductors (4 Cores)	Stranded copper power cores with Cross-linked polyethylene (XLPE) insulation
2	Shielded Data Twisted Pairs (4×2)	Impedance-controlled twisted pairs for Ethernet / RS-485 / DMX
3	100% Al/PET Foil Electrostatic Shield	Laminated aluminum-polyester foil tape with tinned copper drain wire
4	Copper Wire Braid EMC Screen	High-coverage braided copper shield for EMI/VFD protection
5	Subsea / Marine Outer Protective Sheath	Black chemical- & bio-oil-resistant thermoplastic elastomer (TPE) outer sheath

FLEX-VFD + Signal 1000V — Standard Subsea & Marine Execution

Built to UL 1277 TC-ER & NFPA 79 VFD Motor + Signal Pair Pump Cable Specification with power supply conductors (4 cores) and subsea / marine outer protective sheath

FLEX-VFD + Signal 1000V — Custom Winch Length / Molded Termination

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

FLEX-VFD + Signal 1000V — 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 UL 1277 TC-ER & NFPA 79 VFD Motor + Signal Pair Pump Cable Specification. Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage / operating system: 1,000 V (UL/CSA) (UL 1277 TC-ER & NFPA 79 VFD Motor + Signal Pair Pump Cable Specification)
Core / conductor construction: Power Supply Conductors (4 Cores) — Stranded copper power cores with Cross-linked polyethylene (XLPE) insulation
Primary dielectric / optical buffer: Shielded Data Twisted Pairs (4×2) — Impedance-controlled twisted pairs for Ethernet / RS-485 / DMX

Thermal

Continuous operating temperature: −40…+90 °C (submerged seawater & topside deck service)
Hydrostatic & thermal cycling endurance: Verified cold-bend and wet dielectric stability across −40…+90 °C per UL 1277 TC-ER & NFPA 79 VFD Motor + Signal Pair Pump Cable Specification
Storage & transport temperature: −40…+80 °C on export wooden/steel cable drum

Mechanical

Outer jacket / sheath protection: Subsea / Marine Outer Protective Sheath — Black chemical- & bio-oil-resistant thermoplastic elastomer (TPE) outer sheath
Minimum bending radius: 6 × 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 UL 1277 TC-ER & NFPA 79 VFD Motor + Signal Pair Pump Cable Specification
Hydrostatic pressure & water blocking: Radial and longitudinal water-blocking integrity verified per UL 1277 TC-ER & NFPA 79 VFD Motor + Signal Pair Pump Cable Specification
RoHS & REACH compliance: RoHS 2 (2011/65/EU + 2015/863) & REACH SVHC compliant

Reference standards

Governing standard: UL 1277 TC-ER & NFPA 79 VFD Motor + Signal Pair Pump Cable 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: FLEX-VFD + Signal 1000V
Sheath colour & metre marking: Continuous metre-marked black outer finish (Subsea / Marine )
Customs tariff (HS): 8544.49 / 8544.60 / 8544.70

Sizes

3 standard FLEX-VFD + Signal 1000V configurations

Manufactured to UL 1277 TC-ER & NFPA 79 VFD Motor + Signal Pair Pump Cable 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
FLEX-VFD + Signal 1000V Construction Schedule (−40…+90 °C)
FLEX-VFD + Signal 1000V 4G4 / 3×4+3G0.75	4G4.0 mm² (or 3×4+3G0.75 + 2×1.0)	IEC 60228 Class 5 Cu + Foil/TCWB Shield	14.6	365	3.8	90
FLEX-VFD + Signal 1000V 4G16 / 3×16+3G2.5	4G16 mm² (or 3×16+3G2.5 + 2×1.5)	IEC 60228 Class 5 Cu + Foil/TCWB Shield	21.8	860	9.6	135
FLEX-VFD + Signal 1000V 4G50 / 3×50+3G10	4G50 mm² (or 3×50+3G10 mm² VFD)	IEC 60228 Class 5 Cu + Dual EMC Shield	31.6	2,190	24.0	190

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 UL 1277 TC-ER & NFPA 79 VFD Motor + Signal Pair Pump Cable Specification.

Electrical, optical & thermal parameters
Configuration	Max. DC R₂₀ Ω/km	Rating / Impedance / Load	Operating temp.
4G4.0 mm² (or 3×4+3G0.75 + 2×1.0)	4.95	1,000 V (UL/CSA) (34 A Subsea VFD)	−40…+90 °C
4G16 mm² (or 3×16+3G2.5 + 2×1.5)	1.21	1,000 V (UL/CSA) (98 A Subsea VFD)	−40…+90 °C
4G50 mm² (or 3×50+3G10 mm² VFD)	0.39	1,000 V (UL/CSA) (195 A Subsea VFD)	−40…+90 °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 (UL 1277 TC-ER & NFPA 79 VFD Motor + Signal Pair Pump Cable Specification)	DC resistance at 20 °C, optical attenuation and wall thickness within UL 1277 TC-ER & NFPA 79 VFD Motor + Signal Pair Pump Cable Specification limits	Every manufactured drum length
AC high-voltage dielectric & insulation resistance test (UL 1277 TC-ER & NFPA 79 VFD Motor + Signal Pair Pump Cable Specification)	Zero dielectric breakdown and verified wet insulation resistance for 1,000 V (UL/CSA) rating	Every manufactured drum length
Sample tests
Hydrostatic pressure, tensile load & seawater immersion qualification (UL 1277 TC-ER & NFPA 79 VFD Motor + Signal Pair Pump Cable Specification)	Verified hydrostatic pressure integrity, breaking load and flex endurance across −40…+90 °C	Type qualification & periodic lot audit

Inspection certificate

Issued with every drum, listing the routine test results for that length.

Product approvals

UL 1277 TC-ER / NFPA 79 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 FLEX-VFD + Signal 1000V UL 1277 TC-ER / NFPA 79 1,000 V (UL/CSA) 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

PDFFLEX-VFD with Signal Shielded Motor Pump Cable – technical datasheet3 sizes · construction, technical data, approvals XLSXFLEX-VFD + Signal 1000V 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 FLEX-VFD + Signal 1000V (FLEX-VFD with Signal Shielded Motor Pump Cable)?

FLEX-VFD + Signal 1000V (FLEX-VFD with Signal Shielded Motor Pump Cable) is manufactured in accordance with UL 1277 TC-ER & NFPA 79 VFD Motor + Signal Pair Pump Cable Specification for 1,000 V (UL/CSA) subsea,ROV and marine aquaculture service over -40 to +90 °C. Its 5-layer construction comprises power supply conductors (4 cores), shielded data twisted pairs (4×2) and subsea / marine outer protective sheath.

What is the minimum bending radius and operating temperature range for FLEX-VFD + Signal 1000V?

The minimum bending radius for FLEX-VFD + Signal 1000V is 6 × OD across its continuous operating temperature range of -40 to +90 °C, ensuring mechanical flex endurance and hydrostatic reliability in subsea winches, TMS cages and aquaculture installations.

How are the concentric layers of FLEX-VFD + Signal 1000V arranged from inside to outside?

From inside to outside, the construction sequence is: (01) Power Supply Conductors (4 Cores) — Stranded copper power cores with Cross-linked polyethylene (XLPE) insulation; (02) Shielded Data Twisted Pairs (4×2) — Impedance-controlled twisted pairs for Ethernet / RS-485 / DMX; (03) 100% Al/PET Foil Electrostatic Shield — Laminated aluminum-polyester foil tape with tinned copper drain wire; (04) Copper Wire Braid EMC Screen — High-coverage braided copper shield for EMI/VFD protection; (05) Subsea / Marine Outer Protective Sheath — Black chemical- & bio-oil-resistant thermoplastic elastomer (TPE) outer sheath.

What factory test certificates are supplied with FLEX-VFD + Signal 1000V?

Every production drum of FLEX-VFD + Signal 1000V undergoes routine conductor DC resistance / optical OTDR continuity, AC high-voltage dielectric and dimensional testing per UL 1277 TC-ER & NFPA 79 VFD Motor + Signal Pair Pump Cable Specification, and is delivered with an EN 10204 3.1 factory test certificate.

Request a quote

Get an engineering quote for FLEX-VFD + Signal 1000V

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

FLEX-VFD with Signal Shielded Motor Pump Cable

Selected sizes:


Reel & motion:
- Reel type: 
- Drum core diameter (mm): 
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- Travel speed (m/min): 
- Max. acceleration: 
- Cycles per hour: 
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- Exposure (outdoor, water, oil, abrasion): 
- Destination country: 
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