PVC Busbar Heat Shrink Sleeves
In new energy high-voltage systems, insulation is not an additional item, but a core functional layer. PVC busbar heat shrink sleeves combine "conductivity" and "protection" into one - copper bars carry current transmission, and heat shrink tubing provides triple protection of electrical insulation, mechanical protection, and environmental isolation.
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Product Introduction
PVC busbar heat shrink sleeves are specialized integrated conductive insulation components used in high-voltage electrical and new energy distribution systems. The product uses high-purity industrial grade copper as the core conductive substrate, and only uses PVC heat shrink tubing wrapping technology to achieve overall insulation protection. Unlike composite multi material insulation structures, it relies on a single layer of high-strength PVC heat shrink tubing for high-temperature shrinkage wrapping, forming a closed, uniform, and long-lasting integrated insulation protection layer on the surface of the copper bar, which widely plays a core role in the collection, transmission, and distribution of electrical energy.
Substrate selection
Conductive performance guarantee
The substrate of PVC busbar heat shrink sleeves is high-purity copper, with a conductivity of ≥ 97% IACS and a resistance of ≤ 0.00001 Ω, which can minimize the loss during power transmission, avoid problems such as heating and accelerated equipment aging caused by high resistance, and fully adapt to the high current and high voltage transmission needs of new energy.
Mechanical performance guarantee
The substrate hardness of PE heat shrink tube insulated busbar reaches 80-110HV, with a tensile strength of 245-345MPa, which can withstand bending and fixing during engineering installation, as well as vibration and impact during equipment operation, avoiding deformation and fracture of the busbar and laying the foundation for long-term stable operation of the product.
Global universality guarantee
The substrate of Heat shrink tube polyolefin busbar meets the standards of multiple countries worldwide and can be directly adapted to international engineering procurement without additional adjustments, reducing procurement compliance costs. It fully complies with mainstream industry certification requirements and global environmental protection regulations.
Application scenarios
PV inverter
Outdoor equipment requires weather resistance, salt spray resistance, and color labeling. We adopt the scheme of using Heat shrink sleeves busbar with silver plated ends. Heat shrink tubing has the ability to resist UV aging, and the silver plated end has the lowest contact resistance, effectively reducing energy loss.
01
Distribution Cabinet
Multiphase PVC insulation busbars require differentiation of phase sequence, flame retardancy, and limited installation space. We adopt a scheme of using yellow, green, red, and blue heat shrink tubing with tin plated ends. Color intuitive point sequence, UL94 V-0 flame retardant ensures safety, and thin-walled heat shrink tubing saves installation space.
02
Rail Transit Inverter
Long term vibration, large temperature changes, and short maintenance window. We adopt the scheme of Busbar sleeves insulation combined with nickel plated ends and PEM bolts. The nickel plating layer is resistant to high temperatures of 150 degrees Celsius, the PEM screw is anti loose, and the heat shrink tubing can be peeled off on site for quick maintenance.
03
Cloud server UPS
High reliability requirements and maintenance free. We adopt a solution of using red or black heat shrink tubing combined with ultrasonic cleaning of the ends. The bare copper connection has the lowest contact resistance, and the insulation layer of the heat shrink tubing has no aging concerns, meeting the long-term maintenance free.
04
manufacturing advantages
Large scale production capacity guarantee
Busbar insulating tubing has a monthly production capacity of 50000000 pieces, equipped with automated production lines and precision machining equipment, which can meet the supply needs of large quantities and urgent orders, ensuring that customer engineering progress is not delayed, while strictly controlling product consistency.
Full industry chain quality control system
From raw material procurement, production and processing, surface treatment, insulation coating to Busbar insulation sheet finished product testing, a full process quality control system is established. Each product undergoes strict electrical performance, mechanical performance, and environmental adaptability testing to ensure compliance with international standards.
Customized production capability
With a professional mold research and production team, we can quickly respond to customer customization needs. The delivery cycle for PVC busbar heat shrink sleeves samples is only 10-20 days (including copper stamping tooling/mold production), and the delivery cycle for bulk orders is 7-10 days, achieving efficient implementation of customized products.
Full compliance certification coverage
The product has passed multiple authoritative certifications such as ISO9001 quality management system, IATF16949 automotive industry quality management system, RoHS, REACH, etc. All raw materials meet environmental requirements and can directly adapt to engineering procurement compliance requirements in different regions around the world.
contact us
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