Insulating Electrical Steatite Ceramic Fused Body
Products Description
Our Insulating Electrical Steatite Ceramic Fused Body are made from high-purity Steatite material, suitable for various high-reliability electrical protection devices such as high-voltage fuses for new energy vehicles, EV fuses, energy storage fuses, and photovoltaic DC fuses.
Manufactured using precision ceramic forming and high-temperature sintering processes, the products achieve stable dimensional consistency and excellent internal structural density, maintaining good insulation stability and structural integrity even in high-voltage arc environments.
This product is widely applicable to:
High-voltage fuses for new energy vehicles
Battery pack BDU systems
Energy storage PCS systems
Photovoltaic inverter protection systems
DC charging pile fuses
Industrial high-voltage power distribution protection systems
Wind energy storage equipment
High-power electrical control systems
Design Advantages: Engineering Optimisation in Multi-Dimensional Scenarios
Thin-walled, high-strength design
While meeting the lightweight requirements of new energy vehicles, the Ceramic Body for EV Fuse maintains sufficient internal pressure-bearing capacity to ensure no explosion upon melting.
Internal cavity microstructure treatment
Specially designed inner wall roughness enhances friction and contact surface with the arc-extinguishing medium (quartz sand), improving arc-extinguishing efficiency.
Anti-rotation and self-locking geometry
A foolproof structure designed for automated assembly lines ensures precise positioning of the Ceramic Body for Siemens LV HRC Fuse body during metal pressing, preventing displacement and chipping.
Main Functions: The "Pacemaker Protective Shell" of New Energy High-Voltage Systems
| "Time Freezer" for DC Arcs | DC arcs are difficult to self-extinguish. The Ceramic Body for Overload and Short Circuit Protection. The fuse body, acting as a robust physical boundary, combined with internal quartz sand, forcibly divides and cools the arc, absorbing enormous DC fault energy in an extremely short time, "freezing" and extinguishing the arc. |
| "Physical Cage" for High-Voltage Toxic Substances | During the breaking process, the metal vapour and potentially harmful gases generated by the vaporisation of the silver/copper molten material are tightly locked in the sealed cavity formed by the Ceramic for DC Automotive Fuses body and end caps, preventing them from splashing into the battery module or personnel compartment and causing secondary fires or chemical pollution. |
| "Isolation Base" for System Vibration | When vehicles are speeding, or wind turbines are rotating violently, the Ceramic Casing for Fuse Link body, with its combination of rigidity and flexibility, effectively isolates the molten material from the external mechanical vibration environment, preventing the molten material from fracturing due to mechanical fatigue before reaching the melting threshold (false melting). |
Detailed Showcase: Obsessive Quality and a Zero-Defect Philosophy Under the Microscope
In the new energy industry, there is no "good enough," only "zero defects." Our meticulous control is reflected in every micrometre.
Mirror-like Texture with No Pinholes: Under a strong flashlight, the white Ceramic Tube for EV Charger Fuse Link appears smooth as solidified cream, without any tiny pinholes or orange-peel defects. This ensures that even in extremely harsh, high-humidity, salt-spray environments, moisture cannot penetrate the ceramic matrix and cause insulation failure.
Dense and Flat End-Face Metallization Layer: Observing the ceramic end face prepared for brazing with the metal end cap, the silver-manganese metallization layer is of uniform thickness, without any exposed porcelain, bubbles, or scratches. Under the microscope, the metallization layer and the ceramic matrix achieve a molecular-level interlocking bond, which guarantees that the end cap will never detach or loosen under extreme thermal cycling.
Smooth Transition of Internal Corners: All right angles or acute angles inside the Ceramic Tube for EV BS Series use smooth R-angle transitions. This is not for aesthetic purposes, but to eliminate stress concentration microcracks that are prone to occur in these locations during sintering, while also avoiding "insulation dead corners" formed when filling with quartz sand.
contact us
If you are looking for a Ceramic Tube for EV DC Fuse insulation component supplier that can meet the development needs of high-voltage new energy fuses, we can provide integrated engineering support for your project, from structural coordination and material optimisation to stable mass delivery.
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