What is the difference between ordinary waterproof box and cast aluminum waterproof box?

Universal waterproof earth distribution block is made of ABS engineering plastic injection molding, electrical splitter block has dustproof, waterproof, anti-corrosion, insulation, impact resistance and other characteristics. power distribution terminal strip The cover fastening screws are designed outside the waterproof groove to give it a higher protection level. power splitter block The multiple internal installation points provide the greatest convenience for the installation of tracks, circuit boards, power modules and expansion baseboards. To facilitate the installation of equipment outside, waterproof power splitter terminal block has concealed screw holes at the four corners. Some power terminal box models can choose PC transparent cover. As many as dozens of sizes can provide solutions for petrochemical plants, docks, sewage treatment plants, electroplating plants, gardens, community lighting, rail transit, etc.