0 low voltage cabinet system, including electrical structure, adopts combined design, which meets the requirements of various components and is suitable for different working environments. 0 is a well-known low-voltage cabinet of ABB in China. The MNS design is verified in accordance with the latest IEC standards, IEC 61439 -1/-2 and IEC TR 61641. MNS switchgear assembly is of scalable design, enabling ABB to supply integrated solutions. Mns2. Has entered the Chinese market for more than 40 years, and constantly improve to maintain the leading technology. 0 is proven in terms of quality, performance and safety and has reached the international level. It is widely applied to industrial market, commercial market and residential. for the implementation of total electrification projects, including power distribution, process electrification and automation systems. The cooperation with cus g traditions and experience in design and manufacture of a wide range of products for power distribution and low voltage motor starter. Xl-12 is a closed indoor distribution box, the box structure is made of thin steel plate folded and welded or bolted assembly, upper and lower ventilation Windows, and the inlet and outlet cables enter from the bottom.