Stainless steel distribution box according to the different elements of nickel is divided into 201 201 material and material, SU304 stainless steel because of its good capability of rust corrosion, widely used in the severe environment. As a carrier of the electric wiring control, distribution box, bear the important mission of protecting national economic production. Residents in industry, agriculture has been widely used in the life. As a circuit overload protection, short circuit protection and circuit switching, the club type equipment and suitable for non-professional personnel can enter the site or the civil use.