This series of products is a three-channel output programmable DC power supply integrated with 3 groups of power supply modules. Each channel of this series of power supply can be freely selected power supply module, a total of 15V2A, 15V5A, 30V5A, 30V10A, 60V5A, 100V3A and so on 11 module groups can be selected, a total of 1,331 kinds of configuration choices, can provide a maximum output power of 900W to meet a variety of use scenarios. Four-position LED display, can simultaneously display three current and voltage values, the operation interface is simple and intuitive. Three independent adjustable outputs, high output efficiency and good stability. Standard with a variety of communication interfaces, three independent communication, communication response quickly, easy for users to analyze the measurement