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Concentric cable is a cable consisting of two or more concentric conductors, in particular one of the neutral wires coiled around the inner conductor. The allowable bending radius of concentric cables shall be: a single-core cable shall not be less than 20 times the outer diameter of the cable; The multi-core cable shall not be less than 15 times the outer diameter of the cable.
ASTM, IEC 60502-1 IEC 60228
This product is suitable for the welding machine of which voltage to the ground is not more than DC 200V and pulsating current value is 400V.
| ASTM 600/1000v | |||||||||||
| Core | AWG | Structure Size (mm) | Copper cable (kg/km) | ||||||||
| Conductor | Insulation | Concentric conductor | Outer sheath | ||||||||
| Single wire | XLPE | Single wire | UV-PVC | ||||||||
| No. | Dia. | Thick | No. | Dia. | Thick | Dia. | |||||
| 1 | 16 | 7 | 0.49 | 1.14 | 39 | 0.321 | 1.14 | 6.82 | 81.46 | ||
| 1 | 10 | 7 | 0.98 | 1.14 | 34 | 0.511 | 1.14 | 8.67 | 172.04 | ||
| 1 | 8 | 7 | 1.23 | 1.14 | 25 | 0.643 | 1.14 | 9.68 | 221.58 | ||
| 1 | 6 | 7 | 1.55 | 1.14 | 25 | 0.813 | 1.14 | 10.98 | 160.50 | ||
| 1 | 4 | 7 | 1.96 | 1.14 | 27 | 1.020 | 1.14 | 12.62 | 509.26 | ||
| IEC 60502-1 IEC 60228 600/1000v | |||||||||||
| Size (mm2) | Structure Size mm | Copper cable (kg/km) | |||||||||
| Concuctor | Insulation | Concentric conductor | Outer sheath | ||||||||
| Single wire | Dia. | PVC | Single wire | UV-PVC | |||||||
| No. | Dia. | Thick | No. | Dia. | Thick | Dia. | (kg/km) | ||||
| 10 | 7 | 1.35 | 4.05 | 1.55 | 20 | 0.85 | 1.4 | 11.79 | 301.55 | ||
| 16 | 7 | 1.7 | 5.1 | 1.55 | 32 | 0.85 | 1.4 | 12.84 | 431.7 | ||
| 25 | 7 | 2.14 | 6.42 | 1.6 | 29 | 1.13 | 1.5 | 15.02 | 647.46 | ||
| 16 | 7 | 1.7 | 5.1 | 1.55 | 26 | 1.13 | 1.4 | 13.42 | 244.16 | ||
| 25 | 7 | 2.14 | 6.42 | 1.6 | 29 | 1.13 | 1.5 | 15.02 | 307.3 | ||
| 35 | 19 | 1.53 | 7.65 | 1.65 | 27 | 1.35 | 1.6 | 16.99 | 390.15 | ||
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