1.1 Main uses
This spring mechanism is specially used to match the 40.5kV direct-acting inflatable cabinet circuit breaker.
Its performance conforms to GB1984 "AC High Voltage Circuit Breaker", IEC62271.100
The requirements for the technical conditions of the operating mechanism in the standard.
1.2 Excellent features
1. Lubrication: using international high-quality imported grease to meet the ambient temperature of -60 ° C to + 120 ° C;
2. Shaft fitting: Adopt a unique lubrication structure and high-quality imported bearings to improve long-term lubrication and mechanical reliability of shaft fitting.
3. Output assembly: Adopt unique anti-loosening structure and high-quality imported spring material to improve the reliability of opening/closing performance.
4. Functional components: military precision cast steel is used to improve the reliability of the main machinery.
5. Elastic standard parts: high-quality imported standard parts are used to improve the reliability of mechanical assembly.
6. Anti-corrosion performance: Mechanical workpieces are electroplated with trivalent chromium nickel plating process, and the salt spray test can reach 500 hours or more.
7. Main structure: Modular design is adopted to facilitate combined assembly, improve assembly accuracy, and enhance mechanical reliability and stability.
8. Service life: up to 10,000 times for machinery.