HOFR NBR INSULATED EXTRA FLEXIBLE COPPER WELDING CABLE (AWG SIZE)
Welding Cable Structure
Conductor : Welding Cable has a rope lay 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
*Any other Color on specific request can also be supplied
Welding Cable Technical Data
Fixed installation : -30°c to max.+ 90°C
Nominal voltage : 600V
Test voltage : 3000V
Mechnical Properties : Tensile strength = 10 N/mm2 Min.
Elongation = 300 Min.
Elongation = 300 Min.
Min. bending radius : 4 x cable diameter
Flame propagation : Flame retardant test as per IEC 60332-1
Welding Cable Applications
Welding Cable is for use on connections from electrode holders and clamps to arc welders, bus welding box
or transformers. Welding cable is for applications up to 600 volts and temperatures from -30°C to +90°C.
Standard length cable packing:
Coils 100, 200, 300 and 500 m. in wooden reels
Coils 100, 200, 300 and 500 m. in wooden reels
Cable Features
Ultra high performance flexible welding lead,
double insulated
Excellent flexibility to last longer in flex
applications
RoHS Compliant
Outstanding toughness & durability
High resistance to cuts, tears & abrasions
Resistance to oil, solvents and chemicals
Excellent ozone and weather resistant
TECHNICAL INFORMATION
| 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 |
Note
The number of wires is approximate and wire diameter is nominal; they shall be such as to satisfy the requirements of conductor resistance of IEC 60228 / DIN VDE 0295 / IS 8130 / BS 6360
In view of continuous improvements in our design and process, specifications given here in are subject change without notice.
> All are flexible conductor
> Insulation material is NBR
Rating factors for variation in ambient temperature
| Ambient temperature °C | 20° | 25° | 30° | 35° | 40° | 45° | 50° | 55° | 60° | 65° |
| Rating Factor | 1.04 | 1.00 | 0.96 | 0.91 | 0.87 | 0.82 | 0.76 | 0.69 | 0.64 | 0.57 |