APC Smart-UPS SURT2000RMXLI Dual Conversion Online UPS - 2 kVA/1.40 kW - 0.07 Hour Full Load - 6 x IEC 320-C13, 3. APC Smart UPS RT is a family of high density, performance UPSs for voice and data networks, medical labs, and light industrial applications. Featuring double conversion on line topology, the Smart UPS RT protects your data by supplying reliable, network grade power.Customers looking for extremely tight voltage and frequency regulation, internal bypass, and input power factor correction will find them in the Smart UPS RT.