The National Instruments RMX-4123 is a versatile Programmable Power Supply Device designed for high-performance applications. With the part number 784764-01, this unit is part of the RMX-412x family and is specifically engineered to deliver precise power control for DC operating devices. The RMX-4123 can output a maximum power of 750 W, with an adjustable voltage range of 0 to 650 VDC, and supports currents up to 3.5 A. This highly efficient device achieves a minimum efficiency of 74% and a power factor of 0.99 at 100 V input, which slightly reduces to 0.97 at 200 V input. The compact 1U rack design occupies a full-size enclosure module, facilitating easy integration into standard racks. The device includes essential protection, control, and display functions, ensuring reliable operation in various settings. Connectivity options include Local Area Network (LAN), Universal Serial Bus (USB), and Recommended Standard-232 (RS-232) interfaces, with compliance to the IEEE 488.2 standard. For documentation, a user manual and maintenance manual are available for download. The RMX-4123 is backed by a 2-3 year warranty, and interested customers should contact a sales representative for pricing information.