The EPC-R33 Series Rack-mounted Online UPS adopts an online double conversion design, based on DSP complete digital control, to provide a stable and uninterrupted power supply for essential loads, which can eliminate surges, instantaneous high voltage, instantaneous low voltage, and "Power pollution" such as wire noise and frequency offset, provide customers with high-efficiency and high-power-density power supply guarantees. the UPS can be plugged into the 19-inch standard server cabinet of the micro-module data center. The single cabinet has a capacity of 40kVA/40kW, and the system supports 4 parallel.