• Lubrication: Uses Kluber NB52 grease, suitable for operating temperatures from -60℃ to +120℃;
• Energy Storage Assembly: Uses a unique anti-loosening structure and high-quality imported spring materials to improve the reliability of opening/closing performance;
• Functional Assembly: Uses precision cast steel to enhance the mechanical reliability of the main body;
• Elastic Standard Parts: Uses high-quality standard parts to improve mechanical assembly reliability;
• Main Structure: Uses modular design for easy combined assembly, improving assembly accuracy, mechanical reliability, and stability;
• Service Life: Can meet a mechanical life of over 20,000 operations;
• Fast Opening: Inherent opening time ≤20ms, achieving fast opening function;

　　This product is mainly used in conjunction with the outdoor ZW32 type vacuum pole circuit breaker rated at 12KV, and can also be applied to other indoor and outdoor vacuum circuit breakers and load switches with comparable closing power. It is used in side-mounted switchgear, which can reduce the depth of the switchgear. Its performance meets the technical requirements for operating mechanisms specified in GB1984-2014 "AC High Voltage Circuit Breakers" and IEC62271.100 standards.