Keithley 2230-30-1 and 2230G-30-1 Programmable Triple Channel DC Power Supplies The Model 2230-30-1 programmable triple channel DC power supply combines three channels of output power to cost-effectively characterise and test a wide range of devices, circuit boards, modules and products that require more than one power source. The 2230-30-1 includes two 30V/1.5A channels and adds a 6V channel with up to 5A output for powering digital circuits. It offers performance, versatility and ease of use to maximise the information from characterisation or test as quickly and as easily as possible. It performs as effectively in automated test systems as in manual instrument configurations. USB interface is standard, for remote control, and the 'G' version adds a GPIB interface.