Hollow Insulators
Hollow Insulators Porcelain hollow insulators are vital high-voltage components made from durable aluminous porcelain, providing reliable electrical insulation and mechanical support for transformers, switchgear, and substations
These insulators feature a robust hollow core design with high-strength porcelain shells optimal performance. Metal fittings are cemented using Portland cement under controlled curing, ensuring leak-proof assembly used for SF6 Circuit Breaker, Instrument Transformers, Power Transformers, Surge Arrestors.
The bore configuration of our porcelain hollow insulators can be customized as tapered, parallel, or bulge to precisely meet your specific technical requirements and application needs. This flexibility ensures optimal compatibility with conductors, internal components, and mounting systems while maintaining structural integrity and performance under high-voltage conditions.
Key Features of Hollow Insulators
1. Electrical Insulation
The hollow core and outer porcelain layer provide excellent electrical insulation, even at high voltages. They are designed to prevent leakage currents and ensure that the electrical system operates safely and efficiently.
2. Mechanical Strength
Hollow insulators are designed to handle both mechanical loads and electrical stress while maintaining the necessary mechanical strength to withstand environmental forces such as wind, ice, and vibrations.
Weather Resistance
Porcelain solid core insulators are highly resistant to extreme weather, such as high temperatures, humidity, and icing. This makes them reliable in all kinds of geographical conditions—from humid coastal areas to dry, desert-like environments.
Long Lifespan
The durable nature of porcelain gives these insulators a long service life, often extending over several decades with minimal maintenance. This reduces replacement costs and ensures the stability of power networks over time.
Technical Specifications and Capacity
Up to 1200 KV used for SF6 circuit breaker, instrument transformers, Power transformers, surge arrestors.
Up to 40 MM/KV (maximum height in one unit construction up to 2600 MM.)
IS, IEC, ANSI SPECIFICATIONS, (bore can be tapered, parallel or bulge as per customer's specific requirements)
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