Recently, Shaanxi West power Tongzhong Electric Co., Ltd. has achieved another significant intellectual property breakthrough in the field of high-voltage vacuum circuit breaker technology. Three innovative technologies independently developed by the company-"High-Power Circuit Breaker Opening Spring Assembly," "Modular Mechanism for High-Voltage Vacuum Circuit Breaker," and "Electrical Interlocking Device for Circuit Breakers"-have successfully obtained .
With the continuous improvement of power system requirements for equipment capacity, reliability, and ease of operation and maintenance, the performance optimization and design innovation of high-voltage vacuum circuit breakers have become a focus of industry attention. The three patents granted this time address pain points in practical applications from different dimensions.
Patent Details
The patent for "High-Power Circuit Breaker Tripping Spring Assembly" addresses the stringent requirements for tripping speed and stability during high-capacity breaking. Through innovative material application and structural design, it significantly improves the energy output efficiency and fatigue life of the tripping spring, ensuring rapid and reliable operation of the circuit breaker under high current breaking conditions, providing core protection for the safe operation of the equipment in high-load scenarios.
The patent for "Electrical Interlocking Device for Circuit Breakers" focuses on safety protection during equipment operation and maintenance.
These three patents form an organic technological combination, encompassing "core power components (shunt springs)," "system architecture (modular mechanisms)," and "safety protection (electrical interlocking)," collectively pointing towards the development direction of high-voltage vacuum circuit breakers: "higher performance, easier maintenance, and greater safety." Their industrial application will effectively enhance the technological added value and market competitiveness of my country's independent brand high-voltage switchgear.
company profile
We have independently developed the VTZ series vacuum circuit breakers and consistently invest in research to meet the ever-evolving needs of the electrical industry. Their expertise, combined with our advanced facilities, enables us to stay ahead of industry trends and continuously optimize our product supply.

Company head Mr. Gan stated that this patent authorization is another milestone in the company's implementation of its "technology-driven enterprise" strategy and its deep cultivation of niche markets. In the future, the company will continue to be market-demand oriented and driven by technological innovation, accelerating the transformation of patented technologies into high-quality, competitive products and services, providing solid support for the upgrading of my country's power equipment manufacturing industry and the steady development of the smart grid.
Shaanxi West Power Tongzhong Electrical Co., Ltd.
Our address
No. 1 East Gaoxin Avenue in the High-Tech Development Zone of Baoji City, Shaanxi Province
86-18091765882








