- Conductor: Class K stranded soft drawn bare copper conductor per ASTM B-172
- Separation: Polyester tape (25 to 30) Micron
- Outer Sheath: NBR Rubber Double Sheath, black and oil resistant
- Fixed installation :-30℃ to max.+ 90℃
- Nominal voltage:600V
- Test voltage: 3000V
- Mechanical Properties: Tensile strength 10 N/mm2 Min.
Elongation = 300 Min.
- Min. bending radius: 4 x cable diameter
- Flame propagation : Flame retardant test as per lEC 60332-1
Application
HOFR NBR welding cable is suitable for welding steel structures of high-rise buildings and large-scale projects such as bridges, subways, and tunnels in the field of construction and infrastructure engineering. The construction site environment is complex and changeable, often accompanied by heavy objects, oil pollution, silt erosion and temperature changes, and traditional cables are easily damaged. The use of wear-resistant, heat-resistant and weather-resistant cables can not only withstand various harsh conditions, but also facilitate rapid wiring and on-site adjustments due to their high flexibility, greatly improving construction efficiency and reducing unexpected losses.
Feature
The cable is renowned for its outstanding toughness and durability. It offers superior resistance to cuts, tears, and abrasions, providing reliable protection against physical damage. Furthermore, it exhibits high resistance to oils, solvents, and a wide range of industrial chemicals, making it perfect for use in workshops, factories, shipyards, and construction sites where harsh conditions are commonplace.
Certification
Our products have achieved various prestigious international certifications, including UL, TUV, SAA, EU, CPR, CE, ROHS, and others.
Package
Factory
Greater Wire, we are driven by a spirit of continuous innovation and excellence, supported by advanced production technologies and rigorous quality control processes. Our state-of-the-art automated manufacturing lines ensure high precision and consistency, enabling us to deliver reliable solutions for industries such as construction, renewable energy, industrial automation, airfield lighting, and residential infrastructure.
We strive to be more than just a supplier-we aim to be your long-term partner, providing not only premium cables but also customized support and responsive service tailored to your project needs.
Case
Partner
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| Cross Sectional Area | Copper Construction | Nominal Thickness |
Outer Dia Appx. | Max. Conductor Resistance at 20 °C | Max.Current (Amb. Temp of 40 °C) |
| AWG | Nos./ Dia.mm | mm | mm | Ω/km | amps |
| 6 | 273/0.254 | 2.00 | 9.10 | 1.39 | 115 |
| 4 | 427/0.254 | 2.00 | 10.60 | 0.873 | 150 |
| 2 | 651/0.254 | 2.00 | 11.80 | 0.554 | 205 |
| 1 | 817/0.254 | 2.10 | 13.50 | 0.44 | 240 |
| 1/0 | 1045/0.254 | 2.20 | 13.70 | 0.349 | 285 |
| 2/0 | 1330/0.254 | 2.40 | 16.20 | 0.276 | 325 |
| 3/0 | 1672/0.254 | 2.60 | 18.20 | 0.221 | 380 |
| 4/0 | 2146/0.254 | 3.00 | 21.60 | 0.175 | 440 |
| 250MCM | 2508/0.254 | 3.20 | 24.00 | 0.149 | 495 |
| 350MCM | 3496/0.254 | 3.40 | 26.30 | 0.106 | 680 |
| 500MCM | 5013/0.254 | 3.50 | 29.20 | 0.0743 | 720 |
