3AE-SION vacuum circuit breaker is the latest generation product developed and produced by Siemens based on more than 30 years of experience in vacuum product design and operation, targeting the Chinese power market. Incorporating the latest technology from Germany, it represents the latest development direction of vacuum switches. The compact design is suitable for any switch between 7.2-24KV, with maximum electrical parameters of 40KA and 4000A. The modular design simplifies installation, flexible wiring, and optional spacing and pole spacing to meet various special needs. The mechanical and electrical lifespan can reach 30000 times, and under normal operating conditions, maintenance is free within 10000 operation times. The innovative insulation design and the application of new materials have improved the insulation strength

The 3AE-SION vacuum circuit breaker adopts a large creepage insulation design and is equipped with the latest developed large creepage vacuum arc extinguishing chamber, which is more suitable for the technical standards of China's power system and the requirements of full insulation operation conditions. Complete and efficient technical support, and able to provide expert level solutions.