KINTO Electrical Apparatus Co., Ltd.
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Flexible Insulated Busbars
Flexible insulated busbars consist of several layers of uncoated or tinned copper strips and are insulated with flexible high quality PVC compound.
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- Copper strips (≥99.9%Cu).
- Surface: uncoated or tinned.
- Resistivity: ≤1.785μΩcm2/cm.
- Electrical conductivity: ≥55 Sm/mm2.
- Tensile strength: ≥200N/mm2.
- Extensibility: ≥30%.
- Material: PVC.
- Color: black.
- Thickness: 1.8-2.1mm.
- Shore hardness: A70-80.
- Electrical strength: ≥23kV/mm.
- Oxygen index: 30%.
- Flame retardant; self-extinguishing.
- Elasticity: ≥180% after 7-day aging-test with 135℃.
- Tensile strength: ≥20MPa.
- Operating temperature: -30℃ to +105℃.
- Operating voltage: 750V.
- Voltage withstand performance with 15min / 50Hz AC:
- between flexible insulated busbar and earth: ≥15kV.
- between two flexible insulated busbars: ≥30kV.
- Easy assembly: it could be easily bended and fixed with hands or easy tools.
- Possibility of reducing sizes of the equipment:
- Due to favorable thermal radiation properties, the flexible insulated busbars can handle heavier current loads than solid busbars of the same cross-section.
- Due to good insulating performance of the PVC, it could be possible to reduce the distances between different flexible insulated busbars and between the flexible insulated busbars and earth.
- The bending-radius could be smaller than that of normal cable or solid copper bars, so that the connections could be more simple and short, and visually it could have better effect.
- Lower temperature rise on the flexible insulated busbars than on normal copper bars.
- High flexibility: no problem with vibrations or thermal expansions.