PH-R Series Low-Voltage Fully Enclosed Resin-Cast Bus Duct adopts high-performance insulating resin to directly cast and seal the busbars. It achieves a high protection level of up to IP68 and offers five protection functions: waterproof, fireproof, anti-corrosion, explosion-proof, and theft-proof. It is widely used in power transmission and distribution systems for applications such as ships, rail transit, chemical industries, metallurgy, and coal mines.