PACQ Powershelves are modular, fault-tolerant, compact DC power systems made up of switched-mode rectifier (SMR) modules. It comes in a wide selection of DC output voltages and in two scalable form-factors, 4U and 6U. These compact systems have been proven in many critical & non-critical applications including switch-tripping in substations, defence, scientific instruments, and more. Suitable for 19” racks of 400mm depth or greater.