750 W, 0 VDC to 80 VDC, 0 A to 28 A Programmable Power Supply Device—The RMX‑4121 is a 1U, full-width, single-channel, rack mount DC power supply. It offers 750 W of power with flexible voltage and current limits, ranging up to 80 VDC or 28 A, making it ideal for test systems that require large amounts of power with a broad range of voltage and current values. Additionally, the RMX‑4121 ships with a calibration utility and offers buttons and knobs for interactive users, as well as USB, LAN, RS232, and analog control options for remote or automated users.