CVVS Control Cable – Custom-Configured Signal and Power Transmission for Demanding Plant Environments

Signal failure in a cable tray stops a production line in minutes. The root cause is rarely the conductor — it’s usually a jacket that couldn’t handle oil, an armouring layer that gave way during pulling, or a standard off-the-shelf cross-section that forced unnecessary splicing. For procurement and engineering teams managing sprawling industrial sites, these failures don’t show up as line items in the initial BOM. They show up as unplanned downtime, expensive re-pulls, and compliance headaches months later.

The CVVS Control Cable removes that exposure. It’s a purpose-built multicore control cable — copper conductor, PVC insulation, PVC bedding, steel wire or steel tape armour, and a tough PVC oversheath — supplied to exact project specifications. Every element, from core count to armouring type, is configurable. This means you install exactly what the circuit demands. No field modifications. No compromises on the jacket’s resistance to oil, moisture, or mechanical abuse. Just predictable installed cost and a cable that stays in service.

How the CVVS Cable Lowers Installed Cost and Call-Back Risk

Fully Custom Core & Cross-Section Configuration
[Feature]: All standard and non-standard core counts (typically 2–61 cores) and conductor cross-sections (0.5 mm² up to 10 mm²) are produced to order.
[Advantage]: You specify the exact core count and size your control scheme requires — colour coding, numbering, and screen triplet configurations included.
[Benefit]: Elimination of redundant cores, reduction in cable tray weight, and fewer junction boxes during installation. For the project’s electrical BOM, this collapses the cost of multi-cable bundles into a single pull.

Steel Wire or Steel Tape Armour as Standard
[Feature]: Galvanized steel wire braid (SWA) or double steel tape armour layers embedded between inner and outer PVC sheaths.
[Advantage]: High tensile strength during cable pulling, robust crush resistance in backfilled trenches, and a low-impedance path to earth if the sheath is breached.
[Benefit]: Armour that functions as a CPC (circuit protective conductor) in many installations cuts the need for a separate earth core. This reduces material weight, speeds termination, and protects against rodent damage in substation basements and outdoor cable troughs.

Heavy-Duty PVC Insulation and Sheath Compound
[Feature]: PVC insulation rated for 70 °C continuous conductor temperature, with a thick PVC oversheath resistant to oils, mild acids, and ultraviolet exposure.
[Advantage]: Reliable dielectric performance in wet or condensing environments. No cross-linking step required, so lead times stay short even on complex custom builds.
[Benefit]: Lower procurement risk. You get a compound that plant electricians already know how to gland and terminate — no special tools, no retraining — and it still meets flame retardance requirements to IEC 60332-1.

Factory Pre-Tested to 3.5 kV AC
[Feature]: Every manufacturing length is spark-tested and then subjected to a 3.5 kV AC voltage test for 5 minutes on the completed cable.
[Advantage]: Insulation integrity is verified before the drum leaves the factory floor.
[Benefit]: Drastically reduces the probability of a “failed after pulling” event, which is one of the most expensive defects to remedy on a construction site where access scaffolding may already be dismantled.

Configurable Sheath Options for High-Spec Sites
[Feature]: Flame-retardant PVC, low-smoke zero-halogen (LSZH), or cold-impact PVC compounds can be specified for the outer sheath.
[Advantage]: One base design adapts to indoor risers, underground duct banks, offshore topside modules, and rail tunnels without changing the overall cable structure.
[Benefit]: The project’s technical conformance matrix stays clean. You write one product code, attach the datasheet to the submittal, and satisfy multiple environmental schedules without qualifying a separate cable type.

Technical Specifications & Construction Data

The table below presents the standard build of a CVVS control cable. All values refer to typical production. Actual dimensions and ratings shift with core count, conductor size, and armouring choice — full submittal drawings and calculation sheets are supplied with every quotation.

Where CVVS Cables Absorb the Most Mechanical and Electrical Stress

• Industrial automation and machine wiring — Glanded directly into motor control centres, the steel wire armour absorbs vibration and twisting that would tear apart an unarmoured control cable within two years.
• Underground substation auxiliary circuits — Double steel tape armour resists the crushing force of backfill and prevents rodent ingress where cable trenches run through greenfield substations and switchyards.
• Oil, gas, and petrochemical process plants — The oil-resistant PVC oversheath keeps the jacket ductile even when exposed to hydrocarbon drips and cleaning solvents around skids and pipe racks.
• Commercial high-rise risers and basements — Configured with LSZH outer sheath and flame-retardant bedding, the same CVVS design satisfies life-safety submittal requirements without needing a separate fire-rated cable series.
• Rail and tunnel services — High core-count custom builds carry lighting, signage, and pump control circuits in a single armour-protected loom, reducing cable rack congestion in wayside enclosures.

International Compliance & QA Baseline

Every CVVS control cable produced leaves the factory with traceable test reports aligned to the standards below. We do not charge for compliance documentation.

• ✅ IEC 60502-1 — Power cables with extruded insulation and their accessories for rated voltages from 1 kV up to 30 kV (construction and routine testing)
• ✅ IEC 60332-1-2 — Flame retardance for single insulated cables (mandatory for all PVC sheaths)
• ✅ IEC 60811-series — Mechanical and chemical property testing of insulating and sheathing compounds
• ✅ CE Marking — Low Voltage Directive 2014/35/EU conformity
• ✅ RoHS (2011/65/EU) — Restriction of hazardous substances in all raw materials
• ✅ ISO 9001:2015 — Certified quality management system covering design, procurement, production, and final inspection
• ✅ EN 50525-2-51 — Harmonized PVC control cables (upon request for EU projects requiring EN harmonized marking)
• ✅ 3.5 kV routine voltage test — Performed on every finished cable drum before dispatch

FAQ

Can I specify a mixed cross-section layout — for example, 4 × 2.5 mm² plus 6 × 1.0 mm² in one cable?
Yes. Mixed-conductor designs are routine for CVVS production. We lay up power and control cores in the same armour-protected bundle as long as insulation thickness respects the highest voltage rating in the assembly. You send the core schedule; our engineers run a lay-up calculation and return a cross-section drawing for approval before manufacturing begins.

What is the practical minimum order quantity for a custom CVVS cable?
It depends entirely on the material bill, not on an arbitrary minimum. Standard PVC compounds and common copper sections allow production runs as low as 500 metres per core configuration. Special compounds (LSZH, high-temperature PVC) may push the MOQ toward 1,000 metres. For project-specific short runs — particularly large-diameter cables with high steel weight — we offer drum-sharing options so you only pay for the exact meterage you need.

Do you require us to supply the armour fault current rating, or can you calculate it?
Provide your system’s prospective earth fault current and disconnection time, and we will size the steel wire or steel tape armour to carry that current as a circuit protective conductor. We cross-check against IEC 60949 adiabatic equations and deliver a signed armour-sizing calculation as part of the compliance package.

Request a Project-Specific CVVS Cable Datasheet

We ship CVVS control cables with full factory test reports, core identification schedules, and a digital copy of the drum labelling. Send your target core list, conductor sizes, and any environmental constraints — oil resistance, low smoke mandate, pulling tension limits — to our engineering team. You will receive a fixed-price quotation, dimensioned cross-section drawing, and confirmed lead time within one working day.