ZN12-40.5 high voltage vacuum circuit breaker

High-voltage vacuum circuit breaker/
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The high-voltage vacuum circuit breaker is a three-phase AC, rated voltage for indoor installation. The mechanism of this circuit breaker is designed to be integrated with the arc extinguishing chamber system. The special Siemens-type spring operating mechanism adopts a dual-purpose motor for AC and DC energy storage operation, and can also be used for manual operation. This product is designed with various phase distances, making it more convenient for users to use it with different types of switch cabinets. It can be used in fixed cabinets or in kitchens.
The series vacuum circuit breaker is an indoor switch product with a wide range of applications developed based on Siemens technology. Indoor high-voltage switch with rated voltage three-phase AC. It is suitable for use as a control or protection switch for power transmission and distribution systems such as power plants and substations, and is especially suitable for switching off important loads and places with frequent operations. This series of circuit breakers can be used in various types of partitioned armored metal-enclosed switch cabinets.
The operating mechanism of this series of circuit breakers is a spring energy storage type, which can be operated by AC or DC, or manually.