Insulation Coating Busbar
Products Description
Insulation Coating Busbar is are electrical busbar with a uniform insulating powder coating applied to the surface of a copper conductor using an electrostatic spraying process.
This coating not only possesses excellent voltage resistance, wear resistance, and corrosion resistance, but also maintains long-term stable insulation protection in high-temperature and humid environments.
This product is widely used in:
Energy Storage Systems
EV Power Distribution Units
Charging Piles and High-Voltage Power Modules
Power Distribution Cabinets and Industrial Automation Equipment
Wind Power and Photovoltaic Inverter Systems
Product Features
High Conductivity Copper Material
The Busbar Bonded Powder Coating uses high-purity T2 copper or electrolytic copper (E-Cu), offering excellent conductivity and extremely low resistance, effectively reducing energy loss and heat generation, and improving overall system efficiency.
01
Insulating Powder Coating Protection
Through high-voltage electrostatic powder coating technology, a uniform, dense, and robust insulating layer is formed on the copper surface.
This insulating layer can withstand voltage tests of up to several kilovolts and possesses excellent dielectric strength and arc resistance.
02
Excellent Environmental Adaptability
The powder-coated insulating layer is resistant to damp heat, UV radiation, corrosion, and mechanical impact. Even in high humidity or salt spray environments, it maintains stable insulation performance and structural integrity.
03
High Adhesion and Durability
Through pretreatment (degreasing, phosphating, drying) and high-temperature curing processes, the powder adheres firmly to the copper surface, preventing peeling, cracking, or blistering.
It maintains good adhesion and electrical safety even during long-term operation.
04
Precision Dimensions and Customized Structure
The Busbar is precision-machined according to customer drawings, supporting customized processes such as multi-layer lamination, irregular bending, perforation and slotting, and copper end tin plating, ensuring installation compatibility and system matching.
05
Main Functions: More Than Just Insulation, It's a Powerful Tool for System Optimization
Electrical Insulation
Provides reliable electrical isolation between the copper busbar and the surrounding environment, as well as between Busbars of different phase sequences.
Personal Safety Protection
Prevents maintenance personnel from accidentally touching live parts, providing protection against electric shock.
Corrosion Protection
Protects the Busbar from corrosion by the atmosphere, sulfides, acids, and alkalis, extending its service life.
Phase Sequence Identification
Clearly and permanently identifies the A, B, and C phases, as well as the neutral and ground wires, through different colored coatings, reducing wiring errors.
Detailed Showcase: Professional Expertise in the Details
Precise Local Insulation Design: We don't simply wrap the entire busbar. Based on your connection needs, precise fixture masking technology preserves areas requiring electrical connections, such as terminals and mounting holes, during coating, achieving perfect demarcation between insulation and conductivity areas, eliminating the need for subsequent processing.
Color Coding and Safety Marking: We offer a variety of standard colors for the insulation coating (e.g., red/yellow/green/blue/black) for easy phase sequence marking and circuit differentiation, improving system maintenance convenience and safety. Permanent laser marking is also available.
Integrated Structural Components: The insulated busbar can be further integrated with plastic brackets, sensor mounts, and other structural components to form a complete power distribution module, further simplifying your system integration.
Rigorous Factory Verification System: Every product undergoes the following before leaving the factory:
Withstand Voltage Test: Applying a high voltage several times the rated operating voltage for one minute, with no breakdown or flashover.
Insulation resistance test: Verifies that the insulation resistance remains at an extremely high level (typically >1000MΩ) under high temperature and high humidity conditions.
Adhesion test (cross-cut test): Quantitatively assesses the bonding strength between the coating and the substrate to ensure the highest level is achieved.
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