Housed in 1.575 x 2.145 x 12.65 in. package, 1,100 W Model PSA-1100-12 outputs 12 Vdc with 5 Vdc or 3.3 Vdc pin-selectable standby. Front-end unit delivers power density of 25.34 W/in.³ and achieves efficiencies approaching 94%. Power supply is hot pluggable with IEC320 AC connector at front and industry standard output connector that integrates DC power and signal pins at back. Featuring system communications via I2C/PMBus™ protocol, 1U power supply is intended for mission critical applications.