Phoenix Contact 3031584 The component terminal block is determined by the diode it's installed with, in this case a 1N 4007 diode that can handle a maximum reverse voltage of 1300V and a continuous current of up to 0.5A, while its nominal current rating is also 0.5A, connected via a spring-cage method and has a cross-sectional area ranging from 0.08-4 mm², with specific mounting options (NS 35/7.5 or NS 35/15) and a gray color.