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Product

fire-resistant shipboard & offshore cable BS 7917 / BS 6387 CWZ0.6/1 kV (-40 to +90 °C)Orange Type SW4 Fire-Safe Jacket (1S

MBS1S / MBU1S & YD Series 0.6/1 kV BS 7917 UKOOA Fire-Resistant Offshore Power CableBS 7917 / BS 6387 CWZ — 0.6/1 kV — -40 to +90 °C Marine & Offshore Cable

MBS1S / MBU1S & YD Series 0.6/1 kV (BS 7917 / UKOOA Code) Mica-Glass-Tape & GP4 EPR-Insulated GSWB-Armoured Type SW4 LSZH Fire-Resistant (IEC 60331) Offshore Power & Control Cable (BS 7917 / BS 6387 CWZ, 0.6/1 kV, -40 to +90 °C).

Flame-retardant

Ozone, UV & moisture

Oil-resistant

Approved

Configuration

Order designation: MBS1S 3×16+1G16 mm²
Outer Ø ≈: 22.4 mm
Net weight ≈: 920 kg/km
Tensile rating ≈: 3.8 kN
Core / stranding: IEC 60228 Class 2/5 Cu/SnCu

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: 0.6/1 kV
Operating temp.: −40…+90 °C
Min. bend radius: 8 × OD
Core / conductor: Tinned Copper Co
Outer protection: Orange Type SW4
Standard: BS 7917 / BS 638

Typical values for this cable type, based on BS 7917:1999 & BS 6387 Cat. C, W, Z / UKOOA Code MBS1S & MBU1S — confirmed in the datasheet and quotation for your order.

Application fit

Is MBS1S / MBU1S & YD 0.6/1 KV (BS 7917 UKOOA) right for your machine?

Fixed installation

Suitable

Mica glass-fibre fire barrier or ceramifying silicone insulation maintains circuit integrity during 750–1,100 °C fire exposure.

Offshore platform & shipboard deck trays

Suitable

Low-smoke zero-halogen SHF1/SHF2/SW4 sheath minimizes toxic gas and smoke opacity during marine evacuation.

Drilling jumbo & rotary mast feed

Suitable

Metallic wire braid armour resists mechanical shock, water spray (+WSR) and water jet (+WJR) firefighting impact.

Switchgear & control cabinet wiring

Suitable

Terminates directly into emergency switchboards, fire-alarm panels, PA/GA systems and watertight glands.

Motorised monospiral reel

Not suitable

Mica-taped fire-resistant shipboard cable is designed for fixed installation, not continuous reeling drums.

Use HVSC Shore Power Reeling Cable

Typical machinesBuilding & Fire SafetyOffshore Emergency Shutdown (ESD) & DelugePassenger Cruise & Ferry Safe-Return-to-PortShipboard Fire Alarm, PA/GA & Emergency LightingFPSO & Petrochemical Hydrocarbon Fire Zones

Construction

Layer by layer

Shown: MBS1S / MBU1S & YD 0.6/1 KV (BS 7917 UKOOA) (BS 7917:1999 & BS 6387 Cat. C, W, Z / UKOOA Code MBS1S & MBU1S) featuring tinned copper conductors (4×16 mm²), mica tape + gp4 epr insulation (m) and orange type sw4 fire-safe jacket (1s) (5-layer construction).

Schematic, not to scale — generated from the layer data

#	Layer	Material & reference
1	Tinned Copper Conductors (4×16 mm²)	BS EN 60228 Class 2 tinned annealed stranded copper conductors
2	Mica Tape + GP4 EPR Insulation (M)	Mica fire barrier + EPR rated for 950 °C / 3h circuit integrity (BS 6387 CWZ)
3	Type SW4 Inner Sheath (B)	Extruded low-smoke zero-halogen oil-resistant elastomeric bedding
4	Galvanized Steel Wire Braid (S - GSWB)	High-coverage galvanized steel wire braid mechanical armour
5	Orange Type SW4 Fire-Safe Jacket (1S)	Orange BS 7917 SW4 outer sheath for offshore emergency power

MBS1S / MBU1S & YD 0.6/1 KV (BS 7917 UKOOA) — Standard Shipboard & Offshore Execution

Built to BS 7917:1999 & BS 6387 Cat. C, W, Z / UKOOA Code MBS1S & MBU1S with tinned copper conductors (4×16 mm²) and orange type sw4 fire-safe jacket (1s)

MBS1S / MBU1S & YD 0.6/1 KV (BS 7917 UKOOA) — Custom Drum Length & Gland Kit

Available in custom continuous shipboard/offshore drum lengths or with marine EMC cable glands

MBS1S / MBU1S & YD 0.6/1 KV (BS 7917 UKOOA) — Class & Routine Test Certified

Supplied with EN 10204 3.1 routine dielectric, conductor resistance & flame/fire test report

Technical data

Ratings & operating limits

Typical values: Typical values for this cable type, based on BS 7917:1999 & BS 6387 Cat. C, W, Z / UKOOA Code MBS1S & MBU1S. Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage / transmission duty: 0.6/1 kV (BS 7917:1999 & BS 6387 Cat. C, W, Z / UKOOA Code MBS1S & MBU1S)
Core / conductor construction: Tinned Copper Conductors (4×16 mm²) — BS EN 60228 Class 2 tinned annealed stranded copper conductors
Primary dielectric / buffering: Mica Tape + GP4 EPR Insulation (M) — Mica fire barrier + EPR rated for 950 °C / 3h circuit integrity (BS 6387 CWZ)

Thermal

Continuous operating temperature: −40…+90 °C (shipboard & offshore duty)
Short-circuit / peak thermal rating: Verified thermal stability per BS 7917:1999 & BS 6387 Cat. C, W, Z / UKOOA Code MBS1S & MBU1S
Storage & transport temperature: −40…+80 °C on export wooden/steel drum

Mechanical

Outer protection / armouring: Orange Type SW4 Fire-Safe Jacket (1S) — Orange BS 7917 SW4 outer sheath for offshore emergency power
Minimum bending radius: 8 × OD
Armour, screen & mechanical duty: Galvanized Steel Wire Braid (S - GSWB) — High-coverage galvanized steel wire braid mechanical armour

Resistance

Flame, fire & smoke performance: Qualified for marine flame-retardance and low-smoke zero-halogen / fire safety per BS 7917:1999 & BS 6387 Cat. C, W, Z / UKOOA Code MBS1S & MBU1S
Oil, drilling mud & seawater resistance: Resistant to marine fuel/lube oils, salt mist and offshore fluids per BS 7917:1999 & BS 6387 Cat. C, W, Z / UKOOA Code MBS1S & MBU1S
RoHS & REACH compliance: RoHS 2 (2011/65/EU + 2015/863) & REACH SVHC compliant

Reference standards

Governing standard: BS 7917:1999 & BS 6387 Cat. C, W, Z / UKOOA Code MBS1S & MBU1S
Environmental & test standards: IEC 60228 / IEC 60332-3-22 / IEC 60754 / IEC 61034 / EN 10204
Quality management & inspection: ISO 9001:2015 & EN 10204 3.1 factory routine inspection

Identification

Model designation: MBS1S / MBU1S & YD 0.6/1 KV (BS 7917 UKOOA)
Sheath colour & metre marking: Continuous metre-marked black outer finish (Orange Type SW4 )
Customs tariff (HS): 8544.49 / 8544.60 / 8544.70

Sizes

3 standard MBS1S / MBU1S & YD 0.6/1 KV (BS 7917 UKOOA) shipboard & offshore configurations

Manufactured to BS 7917:1999 & BS 6387 Cat. C, W, Z / UKOOA Code MBS1S & MBU1S for shipboard, offshore platform, drilling rig 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
MBS1S / MBU1S & YD 0.6/1 KV (BS 7917 UKOOA) Construction Schedule (−40…+90 °C)
MBS1S 3×16+1G16 mm²	3 × 16 + 1G16 mm² (4G16)	IEC 60228 Class 2/5 Cu/SnCu	22.4	920	3.8	135
MBS1S 3×35+1G16 mm²	3 × 35 + 1G16 mm² (4G35)	IEC 60228 Class 2/5 Cu/SnCu	28.8	1,690	7.4	175
MBS1S 3×70+1G35 mm²	3 × 70 + 1G35 mm² (4G70)	IEC 60228 Class 2/5 Cu/SnCu	38.2	3,260	14.8	230

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 BS 7917:1999 & BS 6387 Cat. C, W, Z / UKOOA Code MBS1S & MBU1S.

Electrical, optical & thermal parameters
Configuration	Max. DC R₂₀ / Atten. Ω/km or dB/km	Rating / Impedance	Operating temp.
3 × 16 + 1G16 mm² (4G16)	1.15	0.6/1 kV (98 A)	−40…+90 °C
3 × 35 + 1G16 mm² (4G35)	0.52	0.6/1 kV (158 A)	−40…+90 °C
3 × 70 + 1G35 mm² (4G70)	0.27	0.6/1 kV (245 A)	−40…+90 °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 (BS 7917:1999 & BS 6387 Cat. C, W, Z / UKOOA Code MBS1S & MBU1S)	DC resistance at 20 °C / optical attenuation and outer diameter within BS 7917:1999 & BS 6387 Cat. C, W, Z / UKOOA Code MBS1S & MBU1S tolerances	Every manufactured drum length
High-voltage dielectric & insulation resistance test (BS 7917:1999 & BS 6387 Cat. C, W, Z / UKOOA Code MBS1S & MBU1S)	Zero dielectric breakdown and verified insulation resistance for 0.6/1 kV rating	Every manufactured drum length
Sample tests
Flame, fire integrity, oil/mud & mechanical qualification (BS 7917:1999 & BS 6387 Cat. C, W, Z / UKOOA Code MBS1S & MBU1S)	Verified flame/fire performance, fluid resistance and thermal stability 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

BS 7917 / BS 6387 CWZ 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 MBS1S / MBU1S & YD 0.6/1 KV (BS 7917 UKOOA) BS 7917 / BS 6387 CWZ 0.6/1 kV CE

Delivery form: Heavy-duty export fumigated wooden drums or steel marine reels
Standard lengths: 500 m, 1,000 m or custom continuous shipboard/offshore 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

PDFMBS1S / MBU1S & YD Series 0.6/1 kV BS 7917 UKOOA Fire-Resistant Offsho – technical datasheet3 sizes · construction, technical data, approvals XLSXMBS1S / MBU1S & YD 0.6/1 KV (BS 7917 UKOOA) 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 MBS1S / MBU1S & YD 0.6/1 KV (BS 7917 UKOOA) (MBS1S / MBU1S & YD Series 0.6/1 kV BS 7917 UKOOA Fire-Resistant Offshore Power Cable)?

MBS1S / MBU1S & YD 0.6/1 KV (BS 7917 UKOOA) (MBS1S / MBU1S & YD Series 0.6/1 kV BS 7917 UKOOA Fire-Resistant Offshore Power Cable) is manufactured in accordance with BS 7917:1999 & BS 6387 Cat. C, W, Z / UKOOA Code MBS1S & MBU1S for 0.6/1 kV service over -40 to +90 °C. Its 5-layer construction comprises tinned copper conductors (4×16 mm²), mica tape + gp4 epr insulation (m) and orange type sw4 fire-safe jacket (1s).

What is the minimum bending radius and operating temperature range for MBS1S / MBU1S & YD 0.6/1 KV (BS 7917 UKOOA)?

The minimum bending radius for MBS1S / MBU1S & YD 0.6/1 KV (BS 7917 UKOOA) is 8 × OD across its continuous operating temperature range of -40 to +90 °C, ensuring mechanical and dielectric reliability in shipboard and offshore service.

How are the concentric layers of MBS1S / MBU1S & YD 0.6/1 KV (BS 7917 UKOOA) arranged from inside to outside?

From inside to outside, the construction sequence is: (01) Tinned Copper Conductors (4×16 mm²) — BS EN 60228 Class 2 tinned annealed stranded copper conductors; (02) Mica Tape + GP4 EPR Insulation (M) — Mica fire barrier + EPR rated for 950 °C / 3h circuit integrity (BS 6387 CWZ); (03) Type SW4 Inner Sheath (B) — Extruded low-smoke zero-halogen oil-resistant elastomeric bedding; (04) Galvanized Steel Wire Braid (S - GSWB) — High-coverage galvanized steel wire braid mechanical armour; (05) Orange Type SW4 Fire-Safe Jacket (1S) — Orange BS 7917 SW4 outer sheath for offshore emergency power.

What factory test certificates are supplied with MBS1S / MBU1S & YD 0.6/1 KV (BS 7917 UKOOA)?

Every production drum of MBS1S / MBU1S & YD 0.6/1 KV (BS 7917 UKOOA) undergoes routine conductor resistance/continuity, high-voltage dielectric and dimensional testing per BS 7917:1999 & BS 6387 Cat. C, W, Z / UKOOA Code MBS1S & MBU1S, and is delivered with an EN 10204 3.1 factory test certificate.

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01Selected sizes

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02Reel & motion

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03Message for our engineers

MBS1S / MBU1S & YD Series 0.6/1 kV BS 7917 UKOOA Fire-Resistant Offshore Power Cable

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Reel & motion:
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