The main equipotential bonding bar 1802 5 CU is a robust and reliable solution for equipotential bonding in accordance with DIN VDE 0100-410/-540, as well as for lightning protection equipotential bonding according to DIN VDE 0185-305 (IEC 62305). It serves as a central connecting component in the electrical protection system and ensures a safe equipotential bonding function in industrial facilities, buildings, and other critical infrastructures. The bar is equipped with insulator feet, which enable electrical isolation from the ground and thus enhance safety. Connection cables are mounted quickly and easily using M10 captive screws, ensuring a secure and reliable connection. The product is delivered complete with anchors and screws for wall mounting, significantly simplifying installation. To prevent self-loosening, especially in industrial environments or Ex areas, an spring washer (DIN 137) is integrated to secure the screws.