4×1.5mm² DNV GL Approved Shipboard Cable – Marine Engine & Lighting Circuits
A single cable failure in a confined engine room cascade is not an inconvenience. It is a safety event that halts operations, triggers class society inspections, and introduces steep off-hire costs. The 4×1.5mm² shipboard cable eliminates this exposure by combining rigid DNV GL type approval with a construction specifically sized for predictable low-voltage control and lighting loads. This means predictable electrical separation and lower lifecycle spend on critical auxiliary systems.
Single Core Halogen-Free Insulation
Each tinned copper conductor is individually wrapped in a halogen-free, thermosetting compound. This insulates against transient overvoltages common during engine start-up and shut-down sequences. For the shipyard supervisor, this reduces the risk of control signal interference and eliminates toxic fume generation in the unlikely event of a fire in enclosed galleys or accommodation trunks. Compliance with IEC 60092-350 and 359 is non-negotiable here.
Tinned Copper Conductor, 1.5mm² Cross-Section
The 1.5mm² conductor is sized to carry light power and digital signal loads without introducing unnecessary weight into cable trays. A thinner conductor would introduce voltage drop penalties over long cable runs; a thicker one adds deadweight and cost. This cross-section hits the thermal rating needed for 0.6/1 kV power circuits without derating calculations becoming a bottleneck during commissioning.
Flame-Retardant Outer Sheath (SHF1)
The cross-linked polyolefin outer jacket is classified SHF1 (IEC 60092-360). It contains zero halogens, no lead, and no corrosive elements. During a fire, the sheath emits a minor amount of light smoke and no acid gas. This protects adjacent automation hardware from secondary corrosion damage. A damage that often exceeds the cost of the initial fire.
High Strand Count Class 5 Flexibility
High strand count Class 5 conductors are used, not rigid Class 2. This makes routing inside engine-mounted junction boxes and tight bulkhead penetrations straightforward. Installers spend fewer hours fighting cable memory, which knocks measurable labor time off panel wiring schedules.
Technical Specifications & Dimensions
| Parameter | Specification |
|---|---|
| Conductor Count & Size | 4 x 1.5 mm² |
| Conductor Material | Tinned Annealed Copper (Class 5 flexible) |
| Insulation | Halogen-Free Thermosetting Compound (EPR type) |
| Bedding / Inner Covering | Halogen-Free Compound |
| Outer Sheath | SHF1 Halogen-Free, Flame-Retardant Cross-Linked Polyolefin |
| Rated Voltage (U₀/U) | 0.6 / 1 kV |
| Max. Operating Temperature | 85 °C (continuous), suitable for 90 °C intermittent |
| Short Circuit Temperature | 250 °C (max 5 sec duration) |
| Approvals | DNV GL Type Approved; IEC 60092-350 / 359 / 360 |
| Sheath Color | Black (other colors on request) |
| Marking | Sequential Meter Marking + DNV GL ID Stamp |
Industry Applications & Scenario Validation
- Marine Engine Room Auxiliaries
Powers monitoring sensors and actuator circuits on main and auxiliary engines. Vibration resistance and the high-temperature rating of the thermosetting insulation prevent insulation cracking where standard PVC cables degrade and short. - Accommodation Lighting Trunking
Four-conductor cable allows twin circuits or a protective earth within the same sheath. Halogen-free construction means no threat of toxic acid gas in sleeping quarters and mess halls. - Bulkhead Control Panels (Navigational)
Class 5 flexibility and compact lay speed up dress-out of console and alarm panel backplanes where dozens of cables land in confined wireways. - Offshore Wind Service Operation Vessels (SOV)
SOVs operating under DNV class require zero-halogen, mud-resistant cables for gangway and DP reference systems. The SHF1 sheath holds up against hydraulic oil splash without embrittlement. - Fire Pump & Sprinkler Motor Starters
Short-circuit survival at 250°C for 5 seconds gives the fire pump controller enough time for undervoltage ride-through without the cable becoming the initial point of failure.
International Compliance & QA Standards
✅ DNV GL Type Approval (Certificate Searchable on DNV Vessel Register)
✅ IEC 60092-350 (Shipboard Power Cables – General Construction)
✅ IEC 60092-359 (Shipboard Sheathing Materials – SHF1)
✅ IEC 60092-360 (Insulating Materials – Halogen-Free)
✅ IEC 60332-3-22 (Flame Propagation – Category A, F/R bundle test)
✅ IEC 60754-1/2 (Halogen Acid Gas & Acidity Measurement)
✅ IACS UR E11 Compliant (International Association of Classification Societies)
✅ ISO 9001:2015 Manufacturing Facility
FAQ
Can this 4×1.5mm² cable be substituted for a 4×2.5mm² motor supply cable?
No. The 1.5mm² cross-section is rated for light power, instrumentation, and lighting. It cannot safely carry continuous full-load motor currents where a 2.5mm² minimum conductor is specified. Attempting that introduces thermal runaway risk inside multicore bundles. Always match conductor gauge to the load-break rating of the branch circuit protection device.
What documentation is supplied for class survey and port state control inspections?
Each production length ships with a 3.1 material certificate per EN 10204 and a copy of the DNV GL type approval certificate bearing the exact cable designation. We retain digital copies for five years post-delivery cycle for re-issuance as needed.
Is this cable rated for open-deck installation exposed to saltwater spray?
The SHF1 sheath is oil-resistant and flame-retardant but not rated for prolonged ultraviolet exposure if unarmoured. For exposed weather deck runs, specify the SW4 armoured variant with a UV-stabilized sheath. For interior wet areas (bilges, ballast pump rooms), 4×1.5mm² SHF1 performs without degradation.
Get a Quote for DNV GL 4×1.5mm² Shipboard Cable
No minimum order quantity applies to stocked lengths. Same-day ex-stock cutting is standard. For project tenders requiring installation conformity declaration ahead of a shipyard gate pass, contact CSP today.