Witu cabinet is a world-renowned product of rittal, the world's leading supplier of box system and box technology. Weitu's control box and distribution box adopt modular box technology, which has a good reputation in China and many distribution box manufacturers have imitated it. Witu cabinet is ingenious in design, well-made, high in protection level, adaptable, durable and of course expensive. Germans are really strong at this. ABB's galvanized steel distribution cabinets are much better than those made in China. Attention to detail and standardization.
Siemens household distribution box is of good quality. As a German product, Siemens is very good. The contacts inside must be copper, and the quality is good. Definitely higher than some domestic brands. The only drawback is that there are fakes on the market, so you should check them carefully when you buy them. The price is definitely higher than that of ordinary switches, and the cheap ones are definitely fake.
The electrical cabinet is a steel cabinet, which is used to protect the normal work of components.