Porcelain Bus Bar Insulators
Bus Bar Insulators,Backbone of High-Voltage Switchgear
Porcelain bodies with aluminum insert fittings — the proven support for copper bus-bar lines in high voltage switchgear, from 5kV to 18kV.
Reliable Support for Copper Bus-Bar Lines
The porcelain bus bar insulators are made of insulator body and aluminum insert fittings. They are usually used to support copper bus-bar lines and are commonly used in high voltage switchgear. Our factory supplies from 5kV to 18kV in A20 and A30 series.
Bus Bar Insulator Range
A20 and A30 series covering 5kV to 18kV — ANSI numbered for easy specification.
Key Technical Advantages
Aluminum Fittings
Precision aluminum insert fittings for secure bus-bar mounting.
Self-Cleaning Glaze
Gray glaze keeps dirt and pollutants from adhering to the surface.
Fully Tested
Cantilever strength tests before delivery on every batch.
Zero Maintenance
Designed for decades of service without maintenance concerns.
Optimized Design Features
- ✓Porcelain body with aluminum insert fittings
- ✓A20 and A30 series, ANSI numbered
- ✓Matured production processes and precise equipment
- ✓Cantilever strength tested before delivery
- ✓Gray glaze repels dirt and pollutants
Industry Applications
- ✓High voltage switchgear bus-bar support
- ✓Copper bus-bar lines in substations
- ✓Indoor and outdoor distribution
- ✓Electrical equipment insulation
- ✓Power plants and industrial facilities
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Get a Custom Quote in 24 Hours
Send us your specifications — voltage class, BIL, drawings or standards — our engineering team will respond within one business day with pricing and technical recommendations.
- Direct communication with engineers, not sales reps
- Free technical consultation & sample support
- FOB / CIF / DDP terms — we handle the logistics