Manufacturer H07RN-F 10mm 50mm 70mm² 95mm 120mm 240mm 300mm 400mm 500mm 630mm Rubber Cable​ H07RN-F rubber cables, available in sizes from 10mm² to 630mm², are heavy-duty power cables designed for demanding industrial, construction, and outdoor applications. Manufactured to meet rigorous standards, these cables feature a robust rubber insulation and sheath, delivering exceptional flexibility, weather resistance, and durability in harsh environments.​ The oil-resistant rubber jacket protects against lubricants, fuels, and industrial chemicals, making them ideal for construction sites, mining operations, and factory floors where exposure to such substances is common. Their flexibility, even at low temperatures, allows for easy installation in tight spaces or around machinery, while the high-conductivity copper conductors ensure efficient power transmission across the range of cross-sections—from 10mm² for medium loads to 630mm² for heavy-duty industrial equipment.​ UV resistance and water resistance are integral to their design, enabling reliable performance in outdoor settings, including temporary power setups, events, and infrastructure projects. Compliant with international standards, H07RN-F cables from reputable manufacturers offer consistent quality, ensuring safety and longevity in critical power supply applications.

The 70mm H07rn-F cable, available in 3-core configurations with 1.5mm² and 2.5mm² conductors, is a robust, flexible rubber-insulated cable designed for demanding electrical applications requiring durability, flexibility, and resistance to harsh environments. Compliant with European standards (EN 50525), this cable is widely used in industrial settings, construction sites, outdoor installations, and temporary power setups, where reliable performance under extreme conditions is critical. Core Design and Conductors At the heart of the H07rn-F cable is a 3-core structure, consisting of three insulated conductors bundled within a tough rubber outer sheath. This configuration supports three-phase power transmission or combined power and signal applications, making it versatile for both fixed and mobile equipment. Conductor Specifications: The conductors are made from high-purity stranded copper, chosen for its excellent electrical conductivity (58 MS/m at 20°C) and flexibility. The 1.5mm² conductors consist of 16 strands of 0.3mm diameter wire, while the 2.5mm² variant uses 24 strands of 0.3mm diameter wire. This stranding design enhances flexibility, allowing the cable to bend easily around tight corners, coil without kinking, and withstand repeated movement—essential for applications like portable generators, construction machinery, or temporary lighting. Copper’s low resistance ensures efficient power transmission: 1.5mm² conductors have a DC resistance of ≤12.1Ω/km, while 2.5mm² conductors offer ≤7.41Ω/km, minimizing energy loss even over extended lengths (up to 50 meters for typical uses). Insulation and Sheathing The H07rn-F cable’s performance is defined by its high-quality insulation and outer sheath, both made from synthetic rubber (EPDM or neoprene), which provides exceptional resistance to heat, chemicals, and environmental stress. Inner Insulation: Each conductor is insulated with a 0.6mm-thick rubber layer, offering a dielectric strength of ≥18kV/mm to prevent short circuits. This insulation is rated for continuous operation at 90°C, with short-term tolerance up to 130°C during overloads—critical for handling the heat generated by high currents in industrial equipment. Outer Sheath: The outer rubber sheath is 1.2mm thick (for 1.5mm²) to 1.5mm thick (for 2.5mm²), providing robust protection against abrasion, oil, water, and UV radiation. It is flame-retardant (meeting EN 60332-1-2 standards) and resistant to ozone, ensuring longevity in outdoor or industrial environments where exposure to chemicals, sunlight, or mechanical stress is common. The sheath’s flexibility allows the cable to withstand repeated bending and twisting without cracking, a key advantage over rigid PVC cables. Flexibility and Environmental Resistance True to its "flexible rubber cable" designation, the H07rn-F is engineered for mobility and durability in harsh conditions: Flexibility: Its rubber construction and stranded conductors enable a bending radius of 4x the cable diameter (e.g., 28mm for a 7mm outer diameter), making it ideal for coiled cables in power tools, extension leads, or portable generators. Water Resistance: The tight rubber sheath and insulated cores provide an IP65 rating, protecting against low-pressure water jets and temporary immersion—suitable for outdoor use in rain or damp construction sites. Chemical Resistance: The rubber sheath resists mineral oils, weak acids, and alkalis, ensuring performance in factories, garages, or chemical processing facilities where exposure to such substances is likely. Applications The 70mm H07rn-F cable’s versatility makes it indispensable across multiple sectors: Industrial Machinery: Powering motors, pumps, and manufacturing equipment in factories, where flexibility and heat resistance are vital for connecting moving parts. Construction Sites: Used as temporary power cables for tools (welders, drills), lighting, and site offices, thanks to its durability against abrasion and weather. Outdoor Installations: Connecting garden equipment, outdoor events, or agricultural machinery, where UV and water resistance prevent degradation. Marine and Automotive: Suitable for boat wiring or vehicle auxiliary systems, as the rubber sheath resists saltwater and engine oils. Emergency Services: Used in portable generators, rescue equipment, or temporary shelters, where reliable performance in unpredictable conditions is critical. Compliance and Safety The H07rn-F meets strict European standards, including EN 50525 for low-voltage cables and CE marking, ensuring compatibility with EU electrical systems. Its 3-core design (live, neutral, ground) includes a dedicated green/yellow insulated earth conductor, complying with safety regulations for protective grounding in industrial and commercial setups. In summary, the 70mm H07rn-F 3-core flexible rubber cable combines high conductivity, flexibility, and ruggedness to excel in demanding environments. Whether powering industrial machinery, temporary construction sites, or outdoor equipment, its rubber insulation, flame retardancy, and resistance to harsh conditions make it a reliable choice for applications where durability and mobility are non-negotiable.

As a specialized offering from OEM manufacturers, the H07RN-F Gummikabel (flexible rubber cable) series—spanning conductor cross-sections from 4mm² to 630mm² and compatible with SJTOW (Service Jacket, Thermoplastic, Oil Resistant, Weather Resistant) standards—stands out as a high-performance solution for heavy-duty low-voltage power transmission. Engineered with robust rubber insulation and sheathing, this cable series is designed to thrive in harsh environments, from industrial workshops and construction sites to outdoor renewable energy installations. Its exceptional flexibility, resistance to oil, weather, and mechanical stress, combined with the OEM’s customizable production capabilities, makes it a preferred choice for clients requiring tailored wiring solutions that align with specific industry standards (e.g., IEC, VDE, UL) and application demands. At the core of the H07RN-F Gummikabel’s performance is its rubber-based construction, a defining feature that sets it apart from PVC-cabled alternatives. The insulation and outer sheath use high-quality ethylene propylene diene monomer (EPDM) rubber or neoprene rubber, selected for their superior durability and environmental resilience. EPDM rubber, the most common choice, offers a continuous operating temperature range of -40°C to 90°C (short-term peak up to 130°C), ensuring flexibility and functionality even in extreme cold (e.g., northern construction sites) or high-heat industrial settings (e.g., near furnaces). Neoprene rubber variants, by contrast, excel in oil-rich environments (e.g., automotive factories, refineries) with enhanced resistance to mineral oils, gasoline, and hydraulic fluids—critical for preventing sheath degradation and electrical leakage. Both rubber types exhibit excellent UV resistance, making the cable suitable for outdoor use (e.g., solar farm inverters, outdoor lighting) without premature aging from sun exposure. The conductor design of the H07RN-F series is optimized for high-current capacity and flexibility, catering to diverse load requirements across cross-sections: Smaller cross-sections (4mm², 6mm², 10mm²): Feature stranded copper conductors (class 5 flexibility per IEC 60228) with 70–196 strands (0.21mm–0.31mm diameter), supporting current-carrying capacities of 32A–63A (free air at 30°C). These variants are ideal for portable industrial tools (e.g., 4mm² for handheld drills), construction equipment (e.g., 6mm² for small compressors), and temporary power connections. Medium cross-sections (50mm², 70mm², 95mm², 120mm²): Use 350–625 strands of copper (0.31mm–0.4mm diameter), delivering 125A–200A. They are commonly deployed in industrial machinery (e.g., 70mm² for conveyor systems), backup generators, and commercial HVAC units (e.g., 120mm² for large chillers). Large cross-sections (240mm², 300mm², 400mm², 500mm², 630mm²): Incorporate 1,225–2,500 copper strands (0.4mm–0.5mm diameter), supporting 250A–400A for heavy-duty applications such as utility substations, wind turbine power connections, and large-scale manufacturing plant main power feeds. All conductors use 99.95% pure electrolytic copper, ensuring 100% IACS conductivity to minimize energy loss (I²R losses)—a key advantage for long cable runs (e.g., 100m of 240mm² cable has a DC resistance of ≤0.000078Ω/m, resulting in only 4.87W loss at 250A). The SJTOW compatibility of select H07RN-F variants adds another layer of versatility, meeting UL 62 standards for service cables. SJTOW-rated cables feature a thermoplastic inner jacket (for enhanced oil resistance) and a rubber outer jacket (for weather resistance), making them suitable for both indoor industrial use and outdoor temporary installations (e.g., construction site power distribution, event lighting). This dual-jacket design ensures compliance with North American safety codes, expanding the OEM’s market reach to clients in the U.S. and Canada. Practical applications of the H07RN-F Gummikabel series span industries that demand durability and flexibility: Industrial Manufacturing: 10mm²–120mm² variants power assembly line machinery, welding equipment, and robotic arms, where the rubber sheath resists oil spills and mechanical abrasion from moving parts. Construction: 4mm²–70mm² cables serve as temporary power leads for concrete mixers, cranes, and portable lighting, with EPDM rubber withstands rain, dust, and temperature fluctuations. Renewable Energy: 95mm²–630mm² variants connect solar inverters to utility grids and wind turbines to transformers, leveraging UV-resistant rubber and high-current capacity for long-term outdoor use. Automotive and Marine: Neoprene-sheathed 6mm²–50mm² cables are used in vehicle manufacturing plants (resisting engine oils) and small marine vessels (withstanding saltwater spray), though larger marine applications may require additional water-resistant treatments. A key advantage of partnering with the OEM manufacturer is customization capability. Clients can specify: Rubber type (EPDM/neoprene) based on environmental exposure. Conductor stranding (class 2 for fixed installations, class 5 for maximum flexibility). Sheath color (standard black, custom colors for easy circuit identification). Compliance certifications (IEC 60245 for European markets, UL 62 for North America, GB/T 5013 for China). Length and packaging (custom spool sizes, drum packaging for bulk orders). The OEM also ensures strict quality control, with each cable undergoing rigorous testing: voltage withstand (3kV for 5 minutes, no breakdown), insulation resistance (≥100MΩ at 1000V DC), flexibility (10,000 bending cycles at minimum radius), and oil/weather resistance (72-hour immersion in mineral oil, 1000-hour UV exposure). In summary, the OEM Manufacturer’s H07RN-F Gummikabel 4mm²–630mm² SJTOW Flexible Rubber Cable series delivers a balance of durability, flexibility, and customization. Its rubber construction, high-current capacity, and SJTOW compatibility make it suitable for harsh industrial and outdoor environments, while the OEM’s tailored production ensures alignment with global standards and client-specific needs. As industries increasingly demand reliable, long-lasting wiring solutions for heavy-duty applications, this cable series remains a critical component in powering infrastructure, manufacturing, and renewable energy systems worldwide.