Phoenix Contact 3040041 A spring-cage protective conductor terminal block with a specific configuration is available, featuring four connections that can be made using a spring-cage and plug-in method. The connections are arranged in a way where the first two levels connect on the left side and the cross-sectional area ranges from 0.08 mm2 to 4 mm2. In contrast, the connection at the first level is positioned on the right side, while the terminal block can be mounted using two different types of mounting systems, NS 35/7.5 and NS 35/15. Additionally, the color coding for this terminal block is green-yellow.