Submersible Pump Cable 4 Core – CE Certified Power for Water Well Systems
A corroded conductor at 180 meters below ground stops production. Retrieving a stuck pump burns project budget. Rewiring costs man-hours that aren’t in the schedule.
This 4-core submersible pump cable is built and tested in a factory that holds its CE conformity files for each batch. It transmits three-phase power and control signals from the control panel to deep well motors without insulation breakdown, keeping your water supply or dewatering operation running through seasonal peaks.
4-Core Configuration That Matches Your Motor Wiring
- Feature: Four distinct conductors — three phased cores plus an earth or pilot control wire — color-coded per HD 308 S2.
Advantage: Direct connection to standard three-phase submersible motors with a dedicated protective earth or start capacitor line.
Benefit: Eliminates wiring confusion during installation. Your field technicians complete the job in one trip. No phase reversal errors. No burnt windings.
CE-Compliant Jacket and Insulation System
- Feature: Outer sheath formulated from a modified PVC or rubber compound that meets EU Low Voltage Directive requirements for mechanical strength and fire behavior.
Advantage: Each cable drum ships with a Declaration of Conformity. Your receiving inspector sees CE marking on the cable surface and packaging.
Benefit: Clears EU customs and site acceptance without delays. Prevents contractual non-conformance penalties on your water infrastructure project.
Embedded Longitudinal Water Blocking
- Feature: Water-swellable tapes and fillers laid longitudinally between cores and under the sheath.
Advantage: Even if the jacket is cut or the potted end seal fails over time, moisture cannot migrate along the cable interior toward the motor connection.
Benefit: Keeps the pump-end termination dry. That means no short circuits. No unscheduled well pulling. Your service interval extends past the warranty period.
Abrasion Resistance for Rocky Boreholes
- Feature: A heavy-duty outer sheath with high Shore hardness and tear resistance, combined with a smooth, low-friction surface finish.
Advantage: Survives repeated pull-through against jagged casing edges and fractured rock walls during installation and retrieval.
Benefit: Zero sheath perforation on the way down. No entry point for groundwater. Fewer call-backs to remote drilling sites.
Flexible Stranding for Tight Well Casings
- Feature: Bare copper conductors finely stranded to Class 5 flexibility per IEC 60228, with a short lay length.
Advantage: The cable remains pliable at low temperatures and can be coiled into drums with a diameter that fits your transport. It feeds smoothly into 6-inch or smaller casings without kinking.
Benefit: Cuts installation time on a deep bore by up to 30%. Less coiling memory means less fight on-site.
Technical Specifications & Dimensions
| Parameter | Specification |
|---|---|
| Conductor material | Bare copper, fine stranded (Class 5) |
| Core count | 4 (3 phases + earth / control wire) |
| Conductor sizes available | 1.5 mm² – 16 mm² (larger cross-sections on request) |
| Insulation material | PVC / EPR compound, color coded to standard |
| Sheath material | PVC, CPE, or rubber compound (black / custom) |
| Rated voltage U₀/U | 300/500 V – 450/750 V |
| Temperature range | -15 °C to +70 °C fixed installation; intermittent up to +90 °C |
| Max permissible water depth | Up to 250 m (construction-dependent) |
| Cable outer diameter | Varies with cross-section; refer to datasheet for selected size |
| Standard supply lengths | 100 m, 200 m, 500 m in coils or on wooden drums |
| Certifications & Testing | CE (LVD), RoHS; can be supplied to IEC 60227 / 60245 test reports |
Industry Applications & Scenario Validation
Municipal and Industrial Production Wells
The cable maintains insulation resistance under constant hydrostatic pressure, delivering clean three-phase power and eliminating phase-loss motor damage in continuous-duty water supply operations.Deep Borehole Dewatering for Mining and Tunneling
Flexible 4-core design allows fast payout into narrow, deep casings. Abrasion-resistant sheath handles sharp rock contact, keeping dewatering pumps online during critical excavation phases.Large-Scale Agricultural Irrigation
Remote submersible pumps run on long cable runs; CE compliance and UV-stable outer jacket options meet both electrical safety and outdoor exposure demands without conduit.Commercial Building Water Boosting Systems
In underground storage tanks, water-blocking construction halts capillary moisture migration toward switchgear rooms. The fourth core carries a pump-status signal, integrating with BMS control panels.Sump Drainage and Wastewater Management
Jacket compound resists diluted acids, alkalis, and hydrocarbons typically present in sump water, reducing sheath degradation in harsh effluent handling stations.
International Compliance & QA Standards
- ✅ CE Marking complying with Low Voltage Directive 2014/35/EU
- ✅ RoHS 2 compliant (2011/65/EU) — no restricted hazardous substances
- ✅ Manufactured in an ISO 9001:2015 certified facility
- ✅ Conductor construction and resistance tested to IEC 60228 Class 5
- ✅ Insulation and sheath mechanical properties tested to IEC 60245 / IEC 60227 protocols
- ✅ Vertical flame propagation test to IEC 60332-1-2 (optional, on request)
FAQ
Can the 4-core cable be used to supply a single-phase pump by connecting conductors in parallel?
No. This cable is designed for three-phase submersible motors plus an earth or control pilot. Paralleling the cores for a single-phase load creates an unbalanced magnetic field, which can overheat the cable and the pump motor. For single-phase pumps, a 3-core cable with a dedicated earth is the correct choice.
How do you verify long-term water tightness for a submersible installation expected to run 10+ years?
We apply a combination of hot-extruded seamless sheath and swelling water-blocking elements. On request, we provide test reports from 200-hour accelerated water-pressure aging cycles at representative temperatures. Sample reels can be delivered for your lab before the bulk order ships.
What lead time applies if we need custom core color coding and non-standard drum lengths?
Standard configurations ship within two to three weeks. Adding custom color stripes or specifying exact cut lengths usually adds five to seven working days. OEM logo printing and labeling on the drum are included in the scope — no extra tooling charge.
Request Engineering Data
Every well is different. Give us your static water depth, pump motor rating, and casing diameter. We’ll return a complete cable spec sheet with dimensions, weight, and a recommended cross-section — usually within one working day.
[ Request a sample & datasheet ]