Phoenix Contact 3040371 A plug has a nominal voltage rating of 500 V and can handle a maximum current flow of 24 A, accommodating up to 13 different positions for connections. The plug features a spring-cage connection design, allowing it to secure the wires in place with a rated cross-sectional area of 2.5 mm2. The available cross-sectional sizes range from 0.08 mm2 to 4 mm2 and is colored gray.