Customized Ceramic Tube
Products Description
Customized Ceramic Tubes are insulating structural components made of high-performance industrial ceramic materials, primarily used in the internal arc-extinguishing structure and insulation protection area of fuses. Product forms include:
Square ceramic bodies
Cylindrical ceramic tubes
Irregularly shaped insulating ceramic structural components
Porous ceramic shells
Fuse-specific ceramic insulating tubes
Ceramic bodies for power fuses
Products are mainly used in:
Traditional low-voltage fuses
NH fuses
HRC fuses (high breaking capacity)
Industrial power fuses
Power distribution system protection devices
Power control cabinet protection modules
Detailed Display: Quality Stems from Meticulous Attention to Every Edge
Surface Texture
Delicate Protective Ceramic Casings for Power Fuse texture, free of black spots and cracks, reflecting extremely high purity.
Dimensional Consistency
Each batch of Fusing Electronic Ceramic undergoes go/no-go gauge testing to ensure a 100% assembly pass rate on the automated assembly line.
End Face Flatness
Exquisite end face grinding process ensures a tight fit with sealing gaskets or end caps, achieving a perfect level of protection.
Technical Features: Plasma Cage and Insulation Self-Recovery Mechanism
| Surface Passivation Resistant to Plasma Erosion | Under the action of a high-voltage arc, the inner wall of the Electrical Insulators Steatite Ceramic is not passively subjected to ablation. Upon contact with high-temperature plasma, a very thin, high-resistivity glassy molten layer forms on the surface of the ceramic body with a specific formulation. This passivation film quickly blocks the path of arc erosion into the deeper layers of the tube wall and increases the surface re-breakdown voltage. |
| Hot-State Retention Rate of Dielectric Strength | Traditional fuses experience a sharp rise in tube temperature after breaking. Our Square Ceramic Body exhibits minimal volume resistivity decay at high temperatures, ensuring that even under heating conditions, the high voltage at both ends cannot break through the ceramic wall, avoiding secondary disasters such as phase-to-phase short circuits. |
Main Functions
Rigid Boundary of the Arc-Extinguishing Chamber
During the melting of the fusible element and the burning of the arc, the Ceramic Body, acting as an incompressible solid wall, constrains the interaction between the arc and the silica sand within a limited space.
Geometric Positioning and Support of the Fusible Element
The inner cavity of the Ceramic Body for Fast Fuses provides tension and positioning references for the fusible element, ensuring stable resistance during normal operation and uniform melting along the designed path during overload, preventing unexpected breakage.
Electrical Insulation and Withstand Voltage Isolation
After the fuse trips, the ceramic tube must withstand the system recovery voltage between the fuse terminals to prevent breakdown or flashover along the ceramic surface or inside, ensuring safe isolation of the circuit after disconnection.
Thermal management and thermal shock buffering
During normal operation, the Ceramic Body conducts heat generated by the molten metal to the outside through the wall; during a short circuit, it withstands transient thermal shock and absorbs temperature jumps by relying on its own heat capacity and low thermal expansion characteristics to avoid structural failure.
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We not only provide standardized Ceramic Body for DC Fuse Link products, but also offer integrated engineering solutions based on customers' fuse structure, assembly process, and power system application needs. These solutions range from ceramic material development and mold design to mass production, helping customers achieve more stable and reliable industrial fuse product development and mass production.
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