Overview of Alumina Ceramic Vacuum Interrupter Metalized Ceramic Tube

Alumina Ceramic Vacuum Interrupter Metalized Ceramic Tube is manufactured from 99%+ pure aluminum oxide (Al₂O₃), delivering exceptional mechanical strength and thermal stability. These advanced ceramic parts maintain dimensional stability in extreme environments up to 1800°C, making them perfect for demanding applications in semiconductor equipment, aerospace components, chemical processing, and high-temperature industrial machinery.

Features of Alumina Ceramic Vacuum Interrupter Metalized Ceramic Tube

Ultra-High Temperature Resistance – Withstands continuous operation up to 1800°C

Exceptional Mechanical Strength – Superior hardness and wear resistance compared to metals

Corrosion & Chemical Proof – Resists acids, alkalis, and harsh industrial chemicals

Electrical Insulation – Excellent dielectric properties for electronic applications

Customizable Designs – Available in complex geometries with tight tolerances (±0.01mm)

(Alumina Ceramic Vacuum Interrupter Metalized Ceramic Tube)

Specification of Alumina Ceramic Vacuum Interrupter Metalized Ceramic Tube

This alumina ceramic tube is for vacuum cleaner interrupters. It develops the major shielding body. The material is high-purity alumina ceramic. The alumina content mores than 95%. This guarantees excellent electrical insulation. It gives high mechanical strength too. The tube can handle strong electrical forces. It resists thermal shock quite possibly. Sudden temperature level modifications won’t crack it easily.

The crucial attribute is the metallization. A special steel layer is bound to the ceramic ends. This occurs during high-temperature shooting. Usual steels used are molybdenum or manganese. Occasionally a nickel plating layer is added. This steel layer is important. It allows a solid, vacuum-tight seal. The seal is made to the metal end caps. This seals the vacuum chamber entirely.

Vacuum stability is non-negotiable. The tube must maintain an excellent vacuum forever. Also little leakages are unacceptable. This requires perfect ceramic high quality. It requires perfect metallization bonding as well. The ceramic-metal seal is carefully tested. It needs to hold under extreme problems.

The tube provides outstanding voltage endure. It stops electrical flashover successfully. Its insulation properties are stable. They remain trustworthy over the entire life-span. The product is very resistant to surface monitoring. Electric arcing will not harm it conveniently.

Requirement measurements exist. Typical diameters vary from 50mm to 150mm. Sizes vary based upon voltage requirements. Greater voltage interrupters need longer tubes. Wall surface thickness is meticulously managed. It stabilizes toughness with insulation requirements. Custom sizes are usually feasible.

(Alumina Ceramic Vacuum Interrupter Metalized Ceramic Tube)

Applications of Alumina Ceramic Vacuum Interrupter Metalized Ceramic Tube

Alumina ceramic vacuum interrupter metalized ceramic tubes are essential parts inside contemporary vacuum cleaner interrupters. Vacuum interrupters change high electrical currents. They are found in circuit breakers and contactors. These tubes form the core insulation obstacle. They likewise hold the vacuum chamber. Alumina ceramic is ideal for this task. It provides excellent electric insulation. It supplies high mechanical stamina. It holds up against extreme temperature levels well. The ceramic tube should secure flawlessly. This seal keeps the high vacuum inside. The vacuum is important for quiting electric arcs promptly.

Metalization is the special procedure applied to the ceramic tube. A thin steel layer is strongly bound onto the ceramic surfaces. This layer is typically nickel or a nickel alloy. Metalization happens at the tube’s ends. This steel layer is essential. It allows strong, dependable seals. Metal seals link the ceramic tube to the metal end plates. These seals need to be absolutely airtight. They should maintain the vacuum cleaner intact for decades. The steel layer likewise supplies electric connection points. This attaches the internal contacts to the exterior circuit.

The alumina ceramic tube’s buildings are crucial. Its high dielectric strength prevents electric malfunction. Its stamina deals with the pressures inside the interrupter. Its thermal security deals with changing heat. The exact metalization makes sure leak-proof seals. This integrity is non-negotiable. Power systems require dependable switching parts. These tubes enable compact, lasting vacuum cleaner interrupters. These interrupters are made use of commonly. They protect electric grids. They manage industrial machinery. They run in nuclear power plant and substations. They are located in renewable energy systems. Their durable layout manages frequent changing operations. They call for marginal upkeep over their service life.

Company Profile

Alumina Technology Co., Ltd,. We focus on the research and development, production and sales of alumina products, serving the electronics, ceramics, chemical and other industries. Since its establishment in 2005, the company has been committed to providing customers with the best products and services, and has become a leader in the industry through continuous technological innovation and strict quality management.

Our products includes but not limited to Alumina Boat, Alumina Crucible, Alumina Dish, Alumina Foam Filter, Alumina Plate, Alumina Rod, Alumina Bar, Alumina Balls, Filter Alumina, Nano Alumina Powder, Spherical Alumina Powder, ect. please feel free to contact us.(nanotrun@yahoo.com)

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of Alumina Ceramic Vacuum Interrupter Metalized Ceramic Tube

What is an alumina ceramic vacuum interrupter metalized tube?
It’s a key part inside high-voltage vacuum circuit breakers and switches. The tube creates the sealed vacuum chamber. The chamber holds the electrical contacts that open to stop current flow. Alumina ceramic forms the main body. Metal layers bond to the ceramic ends for sealing and electrical connections.

Why use alumina ceramic for this tube?
Alumina ceramic offers excellent insulating power. It reliably blocks high voltages. The material is very strong mechanically. It withstands high temperatures and thermal stress well. Alumina ceramic also resists chemical corrosion effectively. These properties are vital for safe, long-term operation in electrical equipment.

What does the metalization on the ceramic do?
Metalization applies a thin metal layer onto the ceramic ends. This layer bonds tightly to the ceramic. It allows a strong, vacuum-tight seal with the metal end caps. The metalization also provides the electrical connection path. Current flows through the metal caps and into the metalized layer on the ceramic.

Why is a vacuum inside the tube necessary?
Vacuum acts as the insulating medium between the contacts. When contacts open under load, the vacuum prevents electrical arcing. It extinguishes the arc quickly. This fast interruption stops the current flow reliably. Vacuum provides superior insulation and arc quenching compared to air or gas at high voltages.

Where are these metalized alumina ceramic tubes used?
They are essential in medium and high voltage vacuum interrupters. You find them in power distribution switchgear. They are used in circuit breakers for utilities and industries. They are also used in generator circuit breakers and capacitor switches. Any application needing reliable, fast current interruption uses them.

(Alumina Ceramic Vacuum Interrupter Metalized Ceramic Tube)