This unit demonstrates the concept of a rectifier diode allowing current flow in only one direct with a circuit. Max 6A 400V AC/DC. Can be used inline with other components of Eisco Series PH1029 Two 4 mm Terminals for banana plugs Base Measures 3.75" (95.25 mm) x 2.75" (69.85 mm) x 1.38" (35 mm) CE Certification Power Source needed for operation. An economical Eisco power source is PH0971DCAC which is not included This unit demonstrates the concept of a rectifier diode allowing current flow in only one direct with a circuit. Max 6A 400V AC/DC. Can be used inline with other components of Eisco Series PH1029. Two 4 mm Terminals for banana plugs. Base Measures 3.75" (95.25mm) x 2.75" (69.85 mm) x 1.38" (35 mm). CE Certification. Power Source needed for operation. An economical Eisco power source is PH0971DCAC which is not included