Air Circuit Breakers (ACB- Aman AFW series ) of high-performance, high-reliability safe operation of today’s electrical systems, new intelligent power distribution requirements, energy efficiency management, energy saving and efficiency enhancement, and ubiquitous interconnection requirements. The products are based on the concepts of modularization, digitalization, miniaturization and automation, independent and continuous innovation designed with new mechanisms, new controllers, new accessories, new chassis, and build a unique new image of air circuit breakers.