RD-50B by MEAN WELL USA Inc. Design and production,in Shenzhen Tuoyue Electronics Co., Ltd. Spot sales,And can pass Shenzhen Tuoyue Electronics Co., Ltd. Purchasing。RD-50B Price reference $ 0。RD-50B - 。You can download Chinese information、Pin map、DatasheetData sheet function specification，In the information RD-50B Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial
