The GCS type low-voltage withdrawal switchgear (hereinafter referred to as the device) is a low-voltage withdrawal switchgear designed and developed by two joint design teams according to the requirements of industry authorities, power users and design units. It conforms to national conditions, has high technical performance indicators, can adapt to the development needs of the power market and can compete with existing imported products. The device has been widely used by power users. The device is suitable for power distribution systems in power plants, petroleum, chemical industry, metallurgy, textile, high-rise buildings and other industries. In places with high degree of automation such as large power plants and petrochemical systems and requires computer interface, it is used as a three-phase AC frequency of 50 (60) Hz, rated working voltage of 380V (400), (660) rated current of 4000A and below.