Electrical protection devices focuses on providing a safety barrier for the power system. Its main products include Air Circuit Breaker, Moulded Case Circuit Breaker (MCCB), MCB Accessories Residual Current Circuit Breaker (RCCB), RCCB with overload protection, Surge Protection Device and other categories. Its core value lies in accurately identifying circuit faults and achieving millisecond-level instantaneous response, effectively controlling risks such as overload, short circuit, and lightning strike. The product advantages are reflected in high-reliability design, such as circuit breaker breaking capacity of up to 100kA and surge protector response time of less than 5ns. With visual alarm and remote communication modules, the safety of electricity use is significantly improved. Key parameters cover the rated current range of 0.5-6300A, high breaking capacity, IP65 or above protection level and temperature adaptability from -40℃ to 70℃, and are widely used in industry, construction and new energy fields. The full range of products has passed IEC, GB and other certifications, adopts modular design, supports flexible networking, and provides all-round protection for power networks.