Spark-free Ex equipotential bonding bar for integrating metallic conductors and cables into the lightning protection equipotential bonding in accordance with VDE 0185-305-3 (IEC 62305-3) and the protective and functional equipotential bonding in accordance with DIN VDE 0100 Part 410/540. For use in Ex zones 1 and 2 (gases, vapors, mists) and Ex zones 21 and 22 (dusts) explosion group IIC (safety factor 1) in accordance with CLC 50703-2. Corresponds to temperature class T4 and DIN EN 62561-1 (VDE 0185-561-1) lightning current carrying capacity class H (100kA). Screw locking against self-loosening in accordance with VDE 0185-305-3 Supplement 2. Can be used both indoors and outdoors. To avoid whisker formation in the Ex area, the use of tinned compression cable lugs with a nickel barrier layer is recommended. The product has the following connections: 1x flat (M10 x 40 mm with spring ring) and 5x cable lug (M10 x 20 mm with spring ring).