Phoenix Contact 3210194 When using a terminal block, it's crucial to ensure the maximum load current doesn't surpass the total current of all connected conductors to avoid overheating. The current and voltage ratings are determined by the type of plug used, with specific values including nominal voltage 400V, nominal current 16A for a push-in connection method. Additionally, the rated cross-sectional area of the conductor is between 0.14mm2 and 4mm2, while mounting options include NS35/7.5 and NS35/15, with a standard color of gray.