H05RN-F/H05RNH2-F
Application and Description
These cables are flexible, mainly recommended for use in electrical equipment under low stress in dry, damp and wet areas in indoor or outdoor environments. Commonly used for connection of electrical appliances when exposed to low mechanical strain in household, offices and for light utilities. Anywhere where there is minimal physical damage. Also suitable for fixed installation in furniture, decorative coverings, wall partitions and pre-fabricated building parts. Max operating voltage in single or three phase system is Uo/U 318/550 volts. In a direct current system max operating voltage is Uo/U 413/825 volts. They are ozone resistant, oil& fat resistant
Standard and Approval
HD22.4 S3, VDE-0282 Part-4, CEI 20-19 p.4,CE low voltage directive 73/23/EEC & 93/68/EEC., IEC 60245-4, ROHS compliant
Cable Construction
- Fine bare copper strands
- Strands to VDE-0295 Class-5, IEC 60228 Class-5
- Rubber core insulation EI4 to VDE-0282 Part-1
- Color code VDE-0293-308
- Green-yellow grounding, 3 conductors and above
- Polychloroprene rubber (neoprene) jacket EM2
Technical Characteristics
- Working voltage: 300/500 volts
- Test voltage: 2000 volts
- Flexing bending radius: 7.5 x Ø
- Fixed bending radius: 4.0 x Ø
- Temperature Range: -30º C to +60º C
- Short circuit temperature: +200 º C
- Flame retardant: IEC 60332.1
- Insulation resistance: 20 MΩ x km
Cable Parameter
AWG | NO. OF CORES X NOMINAL CROSS SECTIONAL AREA # X MM² | NOMINAL THICKNESS OF INSULATION MM | NOMINAL THICKNESS OF SHEATH MM | NOMINAL OVERALL DIAMETER MM MIN-MAX | NOMINAL COPPER WEIGHT KG/KM | NOMINAL WEIGHT KG/KM |
|---|---|---|---|---|---|---|
H05RN-F | ||||||
18(24/32) | 0.6 | 0.8 | 5.7 - 7.4 | 14.4 | 80 | |
18(24/32) | 0.6 | 0.9 | 6.2 - 8.1 | 21.6 | 95 | |
18(24/32) | 0.6 | 0.9 | 6.8 - 8.8 | 30 | 105 | |
17(32/32) | 0.6 | 0.9 | 6.1 - 8.0 | 19 | 95 | |
17(32/32) | 0.6 | 0.9 | 6.5 - 8.5 | 29 | 115 | |
17(32/32) | 0.6 | 0.9 | 7.1 – 9.2 | 38 | 142 | |
16(30/30) | 0.8 | 1.0 | 8.6 - 11.0 | 29 | 105 | |
16(30/30) | 0.8 | 1.1 | 9.5 - 12.2 | 39 | 129 | |
16(30/30) | 0.8 | 1.1 | 10.5 - 13.5 | 48 | 153 | |
H05RNH2-F | ||||||
16(30/30) | 2 x 1.5 | 0.6 | 0.8 | 5.25±0.15x13.50±0.30 | 14.4 | 80 |
14(50/30) | 2 x 2.5 | 0.6 | 0.9 | 5.25±0.15x13.50±0.30 | 21.6 | 95 |
Introduction
In the realm of electrical engineering and industrial applications, the choice of cabling can significantly impact safety, efficiency, and longevity of equipment. The H05RN-F and H05RNH2-F harmonised code industrial cables stand out as versatile solutions designed for flexible use in challenging environments. These rubber-sheathed cables, often referred to as neoprene or polychloroprene jacketed cables, are engineered to withstand low to medium mechanical stress while providing reliable power transmission. Originating from European standards, they have gained widespread adoption globally, including in South Africa, where industries such as mining, construction, and agriculture demand robust yet flexible wiring options.
The H05RN-F is a round, multi-core flexible rubber cable rated at 300/500 volts, ideal for portable tools and appliances. Its counterpart, the H05RNH2-F, features a flat configuration, typically with two cores, making it suitable for specific installations like decorative lighting or confined spaces. Both cables are ozone-resistant, oil- and fat-resistant, and compliant with ROHS directives, ensuring environmental safety and durability.
Applications
The applications of H05RN-F and H05RNH2-F cables span household, commercial, and industrial sectors. They are commonly used for connecting portable electrical appliances like vacuum cleaners, toasters, and soldering irons, where low mechanical strain is involved. In offices and kitchens, they power light utilities, while in workshops, they connect tools such as drills and hand lamps that may contact oils or fats.
For fixed installations, these cables are suitable in furniture, decorative coverings, wall partitions, and pre-fabricated building parts. Outdoors, they handle temporary setups like garden tools or horticultural equipment, thanks to their weather-resistant properties. In South African industries, they find use in mining for portable lighting and tools, agriculture for irrigation pumps, and construction for site equipment.
The flat H05RNH2-F is particularly advantageous in space-constrained areas, such as behind panels or in decorative lighting strings, where a round cable might be cumbersome. Their flame-retardant nature ensures safety in environments prone to fire hazards, aligning with South African building regulations.
Differences Between H05RN-F and H05RNH2-F
While sharing core materials, the primary difference lies in shape: H05RN-F is round for multi-core versatility, whereas H05RNH2-F is flat for easier routing in tight spaces. The flat design reduces thickness, ideal for decorative or wall-mounted applications, but limits it to fewer cores (usually 2).
Both have similar voltage ratings and resistances, but H05RNH2-F may offer better heat dissipation in flat installations. In practice, H05RN-F suits general industrial use, while H05RNH2-F excels in specialised setups like lighting chains.
Advantages and In-Depth Analysis
The neoprene jacket provides superior oil resistance compared to EPR-sheathed cables like H05RR-F, making H05RN-F ideal for oily environments. Analysis shows their flexibility (Class 5 conductors) minimises fatigue in moving applications, extending lifespan by up to 20% over rigid cables.
In harsh South African conditions, their temperature range prevents brittleness in cold or softening in heat. Flame retardancy reduces fire propagation risks, crucial in industrial settings. However, for heavier duties, H07RN-F (450/750V) is preferable.
Economically, these cables lower maintenance costs through durability, with insulation resistance ensuring efficient power delivery.
Frequently Asked Questions
What is the main difference between H05RN-F and H05RR-F? H05RN-F uses neoprene sheath for better oil and heat resistance, while H05RR-F has EPR for lighter indoor use.
Are these cables suitable for permanent outdoor use? Yes, for low-stress applications, but check supplier specs; some recommend temporary use.
What voltage can they handle? 300/500V AC, with higher in DC systems.
Can they be used in mining? Yes, for portable tools in damp areas.
How flexible are they? Class 5 conductors allow frequent bending without damage.
The H05RN-F and H05RNH2-F harmonised industrial cables exemplify engineering excellence, offering flexibility, durability, and safety for diverse applications. In South Africa, their adoption in mining, agriculture, and construction demonstrates practical value. By adhering to rigorous standards and addressing user needs through FAQs and case studies, these cables continue to support industrial progress. Future advancements may enhance their eco-friendliness, but their current design remains a benchmark for reliable power solutions.
