The Naweisz NP-HC power supply series adopts single-chip microcomputer digital control+switching power supply post stage technology, a simple and practical encoder adjustment method, providing precise adjustment, high stability output, and reliable and durable overall lifespan. Four digit display of voltage, current, and power, capable of preset voltage and current, start stop control, button locking, overvoltage protection OVP, overcurrent protection OCP, overvoltage protection OPP settings, and other operations. Optional communication interfaces such as USB, RS232, RS485, etc., supporting MODBUS communication protocol, can facilitate online automation control.