The shell is made of polycarbonate resin compression molding or steel plate welding, with high-voltage electrostatic spraying on the surface, or stainless steel welding molding, with exposed stainless steel fasteners; ● All exposed fasteners are made of stainless steel material;● The superior curved sealing structure effectively improves the waterproof and dustproof capabilities of the product, with a protection level of IP65; ● This series of products is resistant to strong acid, strong alkali, and salt corrosion, with anti-corrosion grades of F2 and WF2;● Equipped with a high breaking miniature circuit breaker, it can be operated by opening the waterproof and dustproof transparent cover or handle on the shell cover; ● Steel pipe or cable wiring; ● Rated voltage (V): AC 220, 380, 690/DC 110, 220, 36, 24● Rated current of main circuit (A): ≤ 800; ● Rated current of branch (A): ≤ 500