Dual Shielded Inverter Flexible Cable

Aerial work platforms. Automatic stackers. These devices need long distance mobile installation. Cable weight is very important. Full copper shielding structure VFD cables are heavy. This increases equipment energy use and inertia.

Our Dual Shielded Inverter Flexible Cable is a lightweight mobile VFD cable. Its voltage rating is 0.6/1kV. It is made for hanging equipment that is sensitive to its own weight.

The core is the weight reduction design. Outside the stranded cable core, we wrap a layer of aluminum plastic composite tape. The aluminum foil thickness is ≥0.02mm. Coverage is 100%. The density of aluminum is only one third of copper. This layer provides 100% high frequency electric field shielding. And it is very light.

Then outside the aluminum tape, we braid another layer of tin plated copper wire. Braid density is 80% or more. The copper wire braid provides a low resistance grounding path. It also makes up for the poor bending fatigue resistance of the aluminum tape. It prevents the aluminum foil from breaking when bending.

The conductor is Class 5 soft copper conductor. The sheath is oil resistant flame retardant PVC. This ensures bending life for mobile use.

Compared to a full copper double shielding structure, the weight of the shielding layer of this product is reduced by about 30%. The overall cable weight is reduced by 15% to 20%. For hanging mobile cables like crane hoist power supply, this means you can lower the drive motor power. The droop deflection also becomes smaller.

We did a 2 million cycle bend test. Bend radius was 10D. After the test, the aluminum plastic composite tape showed some fine creases, but the copper wire braid layer provided a parallel conductive path. The overall transfer impedance was ≤80mΩ/m at 30MHz. This is still much better than a single layer braid shielded cable.

The conductor working temperature is 90°C. The minimum bend radius for mobile installation is 10 times the cable outer diameter.

The drain wire of the aluminum tape and the copper wire braid layer must be grounded in parallel. This forms a low impedance composite ground. Never use the aluminum tape alone as the ground. Its current carrying capacity is not enough.

The Dual Shielded Inverter Flexible Cable is inspected before packing. Every reel is checked. If the goods arrive at your site and are damaged, and it is our fault, we will replace them. We pay all costs. We provide a 1 year warranty.

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