SIMATIC S7-1500, spare part potential bridges for front connector for 35mm wide IO modules, usable for all DC 24V modules, 20 pieces per packaging unit. Note: not suitable for 230V, not suitable for analog modules. SIMATIC S7-1500, spare part potential bridges for front connector for 35mm wide IO modules, usable for all DC 24V modules, 20 pieces per packaging unit. Note: not suitable for 230V, not suitable for analog modules. SIMATIC S7-1500 spare part potential bridges for front connector 35mm modules, PU 20