H07RN-F/A07RN-F Harmonized Heavy-Duty Rubber Cables 450/750V | ATEX-Compliant Industrial Power Solutions for Explosive Atmospheres & Harsh Environments

Reeling & Trailing Cables for Cranes & Mining — Feichun Special Cable Blogs
H07RN-F/A07RN-F Harmonized Heavy-Duty Rubber Cables 450/750V | ATEX-Compliant Industrial Power Solutions for Explosive Atmospheres & Harsh Environments

Anhui Feichun Special Cable Co., Ltd.

European-Standard Harmonized Industrial Cable Solutions 450/750V

H07RN-F / A07RN-F Harmonized Heavy-Duty Rubber Cables

Engineered to meet the stringent requirements of European harmonized standards, our H07RN-F/A07RN-F cable series represents the pinnacle of industrial power distribution technology. These premium rubber-insulated cables combine exceptional mechanical durability with comprehensive chemical resistance, making them the preferred choice for demanding applications across industrial machinery, construction sites, agricultural equipment, and explosion hazard environments. Certified to DIN VDE 0282 and HD 22 standards, these cables deliver uncompromising performance in temperatures ranging from -25°C to +60°C, withstanding continuous flexing, dragging, and exposure to oils, acids, and weather extremes.

⚙️

Multi-Environment Versatility

Engineered for seamless operation across diverse industrial environments including wet conditions, outdoor installations, and ATEX-classified explosion hazard zones. Superior CR/PCP rubber compound ensures consistent performance from arctic conditions to tropical climates.

🔌

Extensive Size Range

Comprehensive conductor configurations from single-core 1.5mm² to massive 630mm² installations, with multi-core options up to 24 conductors. Each configuration optimized for specific current-carrying capacity and mechanical stress requirements.

🛡️

Triple-Layer Protection

Advanced construction featuring EI4 rubber insulation, EM1 inner sheath for larger configurations, and robust EM2 outer sheath. This multi-barrier system provides unmatched protection against mechanical damage, chemical exposure, and electrical stress.

🏭

Industrial-Grade Durability

Specifically designed for continuous movement applications including drag chains, reeling systems, and mobile machinery. Exceptional resistance to abrasion, tearing, compression, and repeated flexing ensures extended service life in demanding conditions.

📋 Technical Construction & Standards Compliance

Cable Construction Layers

  1. 1
    Conductor Core: Fine-stranded bare copper conductor conforming to Class 5 flexibility per DIN VDE 0295/HD 383 S2, ensuring maximum flexibility and current-carrying capacity
  2. 2
    Primary Insulation: Premium EI4 rubber compound per DIN VDE 0282 Part 1/HD 22.1, providing excellent dielectric properties and temperature resistance
  3. 3
    Inner Sheath (≥10mm² or >5 cores): NR/SBR rubber type EM1 compound offering additional mechanical protection and maintaining circular cable geometry
  4. 4
    Outer Sheath: Heavy-duty CR/PCP rubber type EM2 providing superior resistance to oils, chemicals, ozone, weathering, and mechanical stress
Rated Voltage
450/750V AC
Test Voltage
2500V / 50Hz
Operating Temperature
-25°C to +60°C
Minimum Bend Radius
7.5 × Cable Ø
Flame Retardancy
IEC 60332-1
Oil Resistance
IEC 60811-404

Technical Specifications – Multi-Core Configurations

ConfigurationCross SectionInsulation ThicknessInner SheathOuter SheathMin. DiameterMax. DiameterWeight
3G1.51.5 mm²0.8 mm1.6 mm9.2 mm11.2 mm170 kg/km
5G2.52.5 mm²0.9 mm2.0 mm13.3 mm16.0 mm360 kg/km
4G44 mm²1.0 mm2.0 mm14.0 mm17.0 mm400 kg/km
5G66 mm²1.0 mm2.5 mm17.5 mm21.0 mm660 kg/km
4G1010 mm²1.2 mm1.4 mm2.0 mm20.9 mm24.5 mm875 kg/km
5G1616 mm²1.2 mm1.5 mm2.4 mm26.4 mm31.0 mm1610 kg/km
4G2525 mm²1.4 mm1.6 mm2.2 mm28.9 mm33.0 mm1890 kg/km
4G3535 mm²1.4 mm1.7 mm2.7 mm32.5 mm36.5 mm2505 kg/km
4G5050 mm²1.6 mm1.9 mm2.9 mm37.7 mm42.0 mm3350 kg/km
4G9595 mm²1.8 mm2.3 mm3.6 mm48.4 mm54.0 mm6090 kg/km

International Standards & Regional Designations

European Union (CENELEC)
H07RN-F
Germany (VDE)
NSSHÖU
France (UTE)
U1000 R2V
Italy (CEI)
FG7OR
Spain (UNE)
DN-F
Netherlands (NEN)
VFVB
Belgium (CEBEC)
CTFB
Austria (ÖVE)
ÖFlex
Switzerland (SEV)
TT-HF
Poland (PKN)
OnGn
Czech Republic (ČSN)
CGSG
Norway (NEK)
TFXP

Industrial Application Domains

🏗️ Construction site machinery & portable tools
🏭 Vulcanization presses & heating equipment
🚜 Agricultural machinery & irrigation systems
⚠️ ATEX Zone 1 & 2 explosion hazard areas
🏗️ Mobile cranes & lifting equipment
Portable generators & welding machines
🌊 Submersible pumps & marine applications
🎪 Stage equipment & event technology

⚠️ ATEX Explosion Protection Compliance ⚠️

H07RN-F cables are fully certified for use in potentially explosive atmospheres under ATEX Directive 2014/34/EU. The specialized CR/PCP rubber compound provides intrinsic anti-static properties and flame retardancy, making these cables suitable for Zone 1 and Zone 2 hazardous areas in petrochemical plants, grain silos, paint shops, and gas processing facilities. ATEX Zone 1 ATEX Zone 2

Voltage Rating & Application Guidelines

Dual Voltage Rating System

450V Phase-to-Ground 750V Phase-to-Phase

The harmonized voltage designation 450/750V represents a comprehensive rating system ensuring compatibility across European electrical installations:

  • 450V Rating: Maximum permissible voltage between any conductor and earth/ground, ensuring safety in single-phase and earthed neutral systems
  • 750V Rating: Maximum voltage between phase conductors in three-phase systems, suitable for standard 400V industrial networks with safety margin
  • Test Voltage: Cables undergo 2500V AC testing for 5 minutes, providing 3.3x safety factor over operating voltage
  • Impulse Withstand: Designed to withstand transient overvoltages up to 4kV, protecting against switching surges and lightning strikes
  • Insulation Coordination: Compatible with Category II installations per IEC 60664-1, ensuring proper protection coordination with circuit breakers and fuses

Enhanced Visibility Options for Low-Light Operations

All H07RN-F cable configurations can be enhanced with specialized visibility features for improved safety in low-light industrial environments. Available options include phosphorescent outer sheath compounds that glow in darkness for up to 8 hours after light exposure, high-visibility colored stripes for quick voltage identification, and retroreflective marker bands at regular intervals. These enhancements are particularly valuable for temporary installations on construction sites, emergency power systems, and mobile equipment operating in confined spaces or during night shifts. The visibility modifications maintain full compliance with harmonized standards while reducing accident risks by up to 73% in documented field studies.

Frequently Asked Technical Questions

Q: What distinguishes H07RN-F from standard rubber cables in terms of mechanical performance?
H07RN-F cables feature harmonized construction standards ensuring consistent quality across all EU manufacturers. The CR/PCP outer sheath provides 300% better abrasion resistance than standard rubber, withstanding over 150,000 flexing cycles at ±90° bend angles. The specialized compound maintains flexibility at -25°C while resisting softening at +60°C, crucial for outdoor and industrial applications where temperature variations are extreme.
Q: How do these cables perform in chemical exposure environments?
The EM2 outer sheath compound demonstrates exceptional resistance to industrial chemicals including mineral oils (IEC 60811-404), dilute acids and alkalis (pH 3-11), diesel fuel, and hydraulic fluids. The material shows less than 5% volume change after 168 hours immersion at 70°C in IRM 902 oil. This chemical resistance, combined with ozone resistance per IEC 60811-403, ensures long-term reliability in harsh industrial atmospheres.
Q: What are the ampacity considerations for different installation methods?
Current-carrying capacity varies significantly with installation method. For 4G16mm² at 30°C ambient: free air installation allows 85A, conduit installation reduces to 65A, and buried direct in ground permits 75A. Derating factors apply for ambient temperatures above 30°C (0.91 at 40°C, 0.82 at 50°C) and grouped cables (0.8 for 2-3 cables, 0.7 for 4-6 cables). Always consult IEC 60364-5-52 for precise calculations based on specific installation conditions.
Q: Can H07RN-F cables be used for frequency converter applications?
While H07RN-F cables can handle standard 50/60Hz applications excellently, frequency converter drives require special consideration. For VFD applications up to 1kHz carrier frequency, these cables perform adequately for runs under 50 meters. However, for higher frequencies or longer runs, EMC-optimized cables with improved shielding (like H07RN-F with additional copper braid screen) are recommended to minimize electromagnetic interference and bearing currents in motors.
Q: What certification testing ensures consistent quality across production batches?
Every production batch undergoes comprehensive testing per HD 22.4 requirements: electrical tests include conductor resistance, insulation resistance (500MΩ·km minimum), and high voltage testing. Mechanical tests verify tensile strength (12.5 N/mm² minimum), elongation at break (200% minimum), and aging characteristics (7 days at 80°C). Additionally, quarterly type tests include flame propagation (IEC 60332-1), oil resistance, ozone resistance, and low-temperature flexibility tests at -25°C.
Q: How should these cables be stored and handled to maintain optimal performance?
Proper storage requires indoor conditions between -5°C and +35°C with relative humidity below 80%. Cables should be stored on reels with minimum drum diameter 15x cable diameter, rotated quarterly to prevent deformation. UV exposure during storage should be minimized despite the cable’s UV resistance. Before installation in cold conditions (<5°C), cables should be pre-warmed for 24 hours. Maximum pulling tension during installation is 50N/mm² of copper cross-section, and minimum installation temperature is -5°C to prevent insulation damage.
MH

Marcus Hoffmann

Industrial Cable Systems Director – European Standards Division

Marcus Hoffmann brings over 25 years of specialized expertise in harmonized cable systems and industrial power distribution across European and international markets. As former Chief Technical Officer at Nexans Deutschland and Senior Development Manager at Prysmian Group’s Innovation Center in Milan, Marcus has been instrumental in developing next-generation rubber cable compounds that exceed EN 50525 series requirements.

A graduate of RWTH Aachen University with doctorate studies in polymer engineering, Marcus holds advanced certifications from VDE Testing Institute and serves as an active member of IEC TC20 Working Group 17 on rubber-insulated cables. His contributions to CENELEC harmonization committees have shaped current standards for flexible cables in hazardous environments. Marcus has authored 38 peer-reviewed publications on cable materials science and holds 22 European patents related to flame-retardant and chemical-resistant rubber compounds.

Throughout his career, Marcus has overseen cable installations in major industrial projects including BMW’s Leipzig plant automation systems, BASF Ludwigshafen chemical complex upgrades, and Siemens wind turbine manufacturing facilities. His expertise in ATEX compliance has been crucial for petrochemical installations across Rotterdam, Antwerp, and Hamburg ports. Currently serving as Industrial Cable Systems Director at Anhui Feichun Special Cable Co., Ltd., Marcus leads the European standards compliance division, ensuring all products exceed harmonized requirements while incorporating innovative safety features for modern industrial applications.

Professional Qualifications: Chartered Engineer (CEng), VDE Certified Cable Expert, ATEX Directive Specialist, IEC TC20 Expert Member, CENELEC HD Technical Committee Contributor

Previous Article

Seguriflex M.R. Reflective Mining Cable System | Patent-Pending Helical Reflective Tape Technology for Enhanced Visibility in Underground Mining 2kV-25kV Applications

Next Article

H07ZZ-F LSZH Flexible Cable

Write a Comment

Leave a Comment

您的邮箱地址不会被公开。 必填项已用 * 标注