Design FeaturesZirconia ceramic residual current circuit breaker (RCCB) terminals (also known as insulating RCCB blocks) are critical electrical components designed for 

environments requiring high reliability and durability.

Complex geometry and porous design

Provides precise electrical connection locations, ensuring secure and thermally insulated conductors or cables, enhancing connection reliability.

High hardness and high strength

The physical properties of zirconia ceramics (hardness up to 78 Rockwell, compressive strength up to 2000 MPa) ensure performance and shape retention 

under high pressure and high friction environments.

Superior electrical insulation and high-temperature resistance

Provides excellent insulation under high voltage conditions, preventing current leakage or electrical faults, while its high-temperature resistance ensures 

stability in environments up to 250°C.

Corrosion resistance

Exhibits excellent corrosion resistance during chemical handling and high-temperature operation, protecting materials from corrosion.

Application areas

High-Temperature Industrial Applications

Used in high-temperature electrical equipment such as furnaces and heating equipment to protect electrical connections and prevent malfunctions.

Power Systems

Used in transformers, generators, and other high-voltage equipment to provide safe electrical connections and isolation.

Precision Electronics

Used in equipment requiring high-precision electrical performance, such as high-end computer hardware and communication equipment.

Safety Equipment

Used in leakage current protection devices to provide reliable insulation to ensure user safety.

Zirconium oxide ceramic leakage current protection terminals offer unparalleled reliability and safety in protecting electrical equipment due to their superior 

electrical insulation, high-temperature resistance, and mechanical strength. These characteristics make zirconia ceramic terminals ideal for demanding modern 

industrial and electrical applications facing extreme conditions.

In the field of precision ceramic machining and customization, our company is committed to producing various high-performance ceramic components, 

including zirconia ceramics, silicon nitride, and aluminum nitride products. These ceramic components possess excellent thermal stability, electrical insulation, 

high-temperature stability, and wear resistance, and are widely used in critical fields such as aerospace, electronics, machinery, military, and automotive. 

Our products, with their superior performance and reliability, provide customers with crucial support and assurance, helping them improve production 

efficiency and optimize product performance.