SKYN28-1 2 type armored drawout metal-enclosed switchgear (hereinafter referred to as Switchgear), a new type of product which is designed and developed on our own based on the advanced manufacturing technology from home and abroad, can replace various old types of metal-enclosed switchgear, such as CKYN1-1 0, CJYN2-10, CGBC-10 and so on. The products have the following obvious advantages:
1.1 The shell is totally made of aluminium zinc alloy coated steel sheet which is formed after multiple bending operation by CNC machine tool and then is assembled with bolts, so it has high mechanical strength, which effectively ensures the product with an orderly and beautiful appearance. The cabinet door, coated with spraying plastic, has strong strength of impact and corrosion resistance. The product shell has a protection degree of lP4X.
1.2 The main switch of the product can be equipped with VD4 type vacuum breaker and C3 series fixed type load switch, which are both made by ABB company, as well as domestic vacuum breakers (e.g. VS1, VH1, VK, ZN28) to replace the similar kind of products from abroad.
1.3 No matter what type of breaker is selected, the air insulation distance of its bare conductor shall be guaranteed to be
more than 125mm, and the compound insulation of it more than 60mm. The breakers all have the unique advantages of long life, high parameters, little maintenance and small volume.2.Model and Type