MNS type low-voltage switchgear (hereinafter referred to as low-voltage switchgear) is a product that our company has improved in the selection of electrical components and cabinet structure in combination with the development trend of low-voltage switchgear in our country, and re-registered. The electrical and mechanical properties of this product fully meet the technical requirements of the original MNS product. This low-voltage switchgear is suitable for power systems with AC 50-60Hz rated working voltage of 660V and below, as equipment control for power generation, transmission, distribution, power conversion and power consumption. This low-voltage switchgear can be used in offshore oil drilling and production platforms and nuclear power plants after special treatment in addition to general land use. This low-voltage switchgear complies with IEC439, VDE0660 Part 5, GB7251…