JHS Waterproof Rubber Flexible Cable for Submersible Pumps
Designed for demanding wet environments, the JHS submersible flat cable (also referred to as a heavy-duty rubber submersible cable or copper core rubber flexible cable) is a specialized solution for reliable power supply under continuous water immersion. It is the cable of choice for connecting submersible motors, pumps, and underwater systems.
Engineered for Underwater Reliability
The JHS cable is built to perform where standard cables fail. Its high-flexibility design, with a tight bending radius, simplifies installation in confined spaces like deep wells, mine shafts, and complex machinery. The robust rubber sheathing provides superior resistance against mechanical abrasion, impact, and chemical corrosion from oils, acids, and alkalis. Crucially, it maintains excellent electrical insulation integrity under significant water pressure and in long-term freshwater or damp soil applications, ensuring safe and uninterrupted power transmission.
Core Applications
This cable is purpose-built for connecting power to equipment in and around water. Typical applications include:
- Submersible Pumps: Deep well pumps, sewage pumps, and dewatering pumps.
- Mining & Tunneling: Mine dewatering equipment and temporary power in wet tunnels.
- Underwater Equipment: Submersible motors, underwater lighting, ROVs (remotely operated vehicles), and fountain pumps.
- Temporary Power: Construction sites, docks, and other exposed, wet locations.
Product Specifications & Construction
Our JHS cable is manufactured to meet rigorous performance demands. Standard production specifications are as follows, with custom configurations available upon request.
- Conductor: Class 5 flexible stranded, bare copper
- Insulation: EPR (Ethylene Propylene Rubber) or equivalent rubber compound
- Core Identification: Color-coded insulation or numbered cores for easy termination
- Outer Sheath: Heavy-duty neoprene/chloroprene (CR) or CPE rubber compound
- Sheath Color: Black is standard; other colors are available for OEM needs.
- Rated Voltage: 300/500V (other voltages like 450/750V available)
- Operating Temperature Range: -20°C to +65°C (fixed installation not below 0°C)
- Max. Long-Term Operating Temperature: 65°C
- Minimum Bending Radius: 6 × outer cable diameter (fixed installation)
Why Choose Our JHS Rubber Cable?
- Verified Waterproof Integrity: Every batch is tested for long-term submersion performance.
- Custom Engineering: We manufacture to specific lengths, voltage grades, and jacket colors. We can also print your company’s branding on the cable surface.
- Global Supply: We consistently supply this cable to pump manufacturers, mining operations, and EPC contractors worldwide, with full logistics and documentation support.
H2: Technical Specifications Table
| Parameter | Specification |
|---|---|
| Conductor Material | Flexible bare copper, Class 5 |
| Insulation | Special EPR/Rubber compound |
| Sheath Material | Heavy-duty CR/NBR/CPE rubber |
| Rated Voltage | 300/500V, 450/750V |
| Test Voltage | 2.5 kV / 5 min |
| Operating Temp. | -20°C to +65°C |
| Bending Radius | 6 × outer diameter |
| Sheath Color | Black, Yellow, Blue, or Custom |
| Certification | ISO 9001, CE, RoHS |
4. Frequently Asked Questions (FAQ)
Is the JHS cable suitable for both fresh and saltwater applications? The standard JHS rubber flexible cable is specifically rated for long-term immersion in freshwater and damp soil. It is not recommended for direct, permanent saltwater submersion without a specific evaluation. For marine or brackish water environments, we recommend our range of marine cables with specialized sheathing compounds. Please contact our engineering team with your specific water conditions so we can propose the optimal solution.
What is the difference between a JHS cable and a standard rubber portable cord? The key difference is the insulation and sheathing compound. A JHS cable uses a specialized waterproof rubber that prevents water ingress and diffusion along the conductor when submerged under pressure. Standard rubber cords may be water-resistant but are not designed for continuous underwater operation, leading to insulation failure. The JHS flat cable is specifically engineered for vertical suspension in deep holes and long-term underwater power supply.
(EPC/Bulk Buyer Question) Can you provide a Data Sheet with reactance and ampacity derating factors for deep-well installations? Yes, absolutely. We provide complete electrical characteristics, including AC resistance, inductance, and de-rated current-carrying capacities based on the depth of submersion and cable grouping. For project-based inquiries, our technical team can prepare a full compliance proposal, including installation guidelines, cut-to-length skid packaging, and pre-shipment testing reports. Please send us your project’s cable schedule.
