Elektrischer Leistungstransformator 100 W, 220 V -12 V/24 V EI-Typ Isolationstransformator 50 Hz, Niederfrequenztransformator-Konverter(12V) : Amazon.de: Gewerbe, Industrie & Wissenschaft
Amazon.com: MATRIX DC Power Supply Variable 30V 5A Adjustable Switching Regulated DC Bench Power Supply 4-Digits LED Voltage and Current Display 32V/6A Output Coarse and Fine Adjustments with Alligator Leads : Electronics