YIHUA Dc Power Supply 30v 5a Adjustable Variable Yh-305d 0-30v Precision Digital Regulated Ps305d 220 Watts Computer PSU with 2 SATA Cables  (Grey)

Communication Maintenance Power Supply Is a Single Line Output of Stabilized High Accuracy Dc Stabilized Power Supply. the Output Voltage and Current Can Be Adjusted Continuously Within the Rated Range. Constant Voltage and Constant Current (Cv/cc), Automatic Switching of Working Modes.double Digital Display Shows Output Voltage and Current Independently. Several Protection Functions Include Current Limitation, Voltage Reduction, Short Circuit Protection, Over-Temperature Protection, Etc. the Design Is Applied to Production Line of the Plant, Maintenance, Laboratories and Is Also a Necessary Device for the Communication Industry.