Rapid digital triple output bench dc power supplies hy3000 3 series rapid hy3003 3 the rapid hy3003 3 is a digital triple output bench power supply this power supply has three independent output channels two of them provide adjustable output of 0 30v and 0 to 3a while the third has a fixed output of 5v dc 3a both series and parallel connections is possible allowing you to double the voltage or current the highest output is the sum of twice the voltage value in series mode and the highes