Phoenix Contact 3035698 To add multiple diode terminal blocks to a DIN rail, a spacer plate must be inserted between them, ensuring they are properly spaced and aligned. A P1000M diode with a nominal voltage of 1000 V and a maximum current rating of 5 A is compatible for this application, featuring a push-in connection method for easy installation and available in various rated cross-section sizes ranging from 0.5 mm2 to 10 mm2, with the block itself being a standard gray color.