H05RR-F
Application and Description
These cables are flexible rubber insulated; rubber jacketed harmonized cord, recommended for use in equipment, which is subject to light and medium stresses in both dry and damp environments. For use with electronics and electrical equipment such as appliances, small hand tools and office equipment They can be found in flat irons, soldering irons, kitchen aids, toasters, stoves and in connections with light commercial electric tools. Also suitable for fixed installation in furniture, decorative coverings, wall partitions and prefabricated building parts. Max operating voltage in single or three phase system is Uo/U 300/500 volts. In a direct current system max operating voltage is Uo/U 413/825 volts. Outdoor use is permitted only for a short time. They are ozone resistant, oil & fat resistant.
Standard and Approval
HD22.4 S3, VDE-0282 Part-4, CEI 20-19/4 / 20-35 (EN60332-1), 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 and HD 186
- Green-yellow grounding, 3 conductors and above
- Polychloroprene rubber (neoprene) jacket EM3
Technical Characteristics
- Working voltage: 300/500 volts
- Test voltage: 2000 volts
- Flexing bending radius: 8 x Ø
- Fixed bending radius: 6 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 |
|---|---|---|---|---|---|---|
18(24/32) | 0.6 | 0.8 | 5.7-7.4 | 14.4 | 61 | |
18(24/32) | 0.6 | 0.9 | 6.2-8.1 | 21.6 | 75 | |
18(24/32) | 0.6 | 0.9 | 6.8-8.8 | 28.8 | 94 | |
18(24/32) | 0.6 | 1.0 | 7.6-9.9 | 36.0 | 110 | |
17(32/32) | 0.6 | 0.9 | 6.1-8.0 | 19.0 | 73 | |
17(32/32) | 0.6 | 0.9 | 6.5-8.5 | 29.0 | 86 | |
17(32/32) | 0.6 | 0.9 | 7.1-9.3 | 38.4 | 105 | |
17(32/32) | 0.6 | 1.0 | 8.0-10.3 | 48.0 | 130 | |
16(30/30) | 0.8 | 1.0 | 7.6-9.8 | 29.0 | 115 | |
16(30/30) | 0.8 | 1.0 | 8.0-10.4 | 43.0 | 135 | |
16(30/30) | 0.8 | 1.1 | 9.0-11.6 | 58.0 | 165 | |
16(30/30) | 0.8 | 1.1 | 9.8-12.7 | 72.0 | 190 | |
14(50/30) | 0.9 | 1.1 | 9.0-11.6 | 48.0 | 160 | |
14(50/30) | 0.9 | 1.1 | 9.6-12.4 | 72.0 | 191 | |
14(50/30) | 0.9 | 1.2 | 10.7-13.8 | 96.0 | 235 | |
14(50/30) | 0.9 | 1.3 | 11.9-15.3 | 120.0 | 285 |
Introduction
In the realm of electrical engineering and industrial applications, the choice of cabling can significantly impact safety, efficiency, and longevity of equipment. The H05RR-F harmonized code industrial cable stands out as a versatile and robust solution, designed for flexibility and durability in demanding environments. This rubber-insulated and rubber-jacketed cable, compliant with European harmonized standards, is widely used in both domestic and commercial settings. Originating from the HD22.4 S3 standard, the H05RR-F cable is engineered for light to medium mechanical stresses, making it ideal for portable appliances, hand tools, and even fixed installations in structures like furniture or prefabricated building parts.
As South Africa continues to advance its industrial and manufacturing sectors, cables like the H05RR-F play a crucial role in ensuring compliance with international safety norms while adapting to local conditions, such as varying climates and rigorous operational demands.
Description and Applications
The H05RR-F cable is a flexible, harmonized cord featuring rubber insulation and a rubber jacket, specifically polychloroprene (neoprene) for the outer sheath. This design ensures high resistance to ozone, oil, and fats, making it suitable for environments where exposure to such elements is common. It is recommended for use in equipment subjected to light and medium stresses in dry and damp conditions, but not for prolonged outdoor exposure—only short-term use is advised.
In practical terms, the H05RR-F finds applications in a variety of settings. For instance, it powers household appliances like flat irons, soldering irons, toasters, and kitchen aids. In commercial and light industrial contexts, it connects small hand tools, office equipment, and even stoves. Its flexibility allows for easy manoeuvring, which is essential in dynamic workspaces. Additionally, the cable is approved for fixed installations within furniture, decorative coverings, wall partitions, and prefabricated building components, expanding its utility beyond portable devices.
From a South African perspective, where industries such as mining, agriculture, and manufacturing often involve humid or oily conditions, the H05RR-F's oil and fat resistance is particularly beneficial. The maximum operating voltage is 300/500 volts for single or three-phase alternating current (AC) systems, and up to 413/825 volts for direct current (DC) systems. This versatility supports its integration into diverse electrical setups, from low-voltage household circuits to medium-duty industrial tools.
In-Depth Analysis: Advantages and Comparisons
The H05RR-F's rubber construction offers superior flexibility compared to PVC-insulated cables, which can become brittle in cold temperatures. Its neoprene jacket provides better chemical resistance than standard rubber, making it preferable in oily workshops or food processing plants—common in South Africa's agro-industrial sector.
Compared to H07RN-F (a heavier-duty variant), the H05RR-F is lighter and more flexible for medium-stress applications, reducing material costs without compromising safety. However, it is not suited for heavy mechanical abuse or permanent outdoor use, where armoured cables might be necessary.
From an engineering standpoint, the cable's Class-5 stranding minimises skin effect in AC applications, enhancing efficiency. Its ozone resistance prevents degradation in high-voltage proximity, while oil resistance extends service life in lubricated machinery. In South African contexts, where power outages and voltage fluctuations are occasional, the high test voltage ensures resilience.
Sustainability-wise, ROHS compliance aligns with global green initiatives, reducing environmental impact during manufacturing and disposal.
Frequently Asked Questions
What is the maximum voltage for H05RR-F cables? In AC systems, it's 300/500 volts (Uo/U); in DC, 413/825 volts. This covers most low-voltage applications.
Can H05RR-F be used outdoors? Only for short periods, as prolonged exposure to UV and weather can degrade the jacket. For permanent outdoor use, consider weatherproof alternatives.
How does the cable handle temperature extremes? It operates from -30°C to +60°C, with short-circuit tolerance to +200°C, making it versatile for South Africa's varied climates.
Is it flame retardant? Yes, compliant with IEC 60332.1, ensuring it doesn't spread fire.
What core configurations are available? From 2 to 5 cores, with cross-sections 0.75-2.5 mm², suitable for single-phase to three-phase plus neutral and earth.
How flexible is the H05RR-F? With bending radii of 6-8x Ø, it's highly flexible for dynamic use in tools and appliances.
Does it comply with South African standards? While European-based, it aligns with SANS 1574 for flexible cords, and CE/ROHS ensures international acceptance.
The H05RR-F harmonized code industrial cable exemplifies engineering excellence, blending flexibility, durability, and safety in a compact form. Its rubber insulation, neoprene jacket, and adherence to standards like VDE and IEC make it indispensable for applications ranging from household appliances to light commercial tools. In South Africa, where industrial growth demands reliable electrical solutions, the H05RR-F addresses key challenges like environmental resistance and compliance.
Through this analysis, we've explored its construction, parameters, and real-world benefits, answering common queries and highlighting case studies. As technology evolves, cables like the H05RR-F will continue to support efficient, safe operations—proving that robust wiring is the backbone of modern electrification.
